diff --git a/phpBB/adm/style/ajax.js b/phpBB/adm/style/ajax.js
index 294a35b615..8f7c210e00 100644
--- a/phpBB/adm/style/ajax.js
+++ b/phpBB/adm/style/ajax.js
@@ -115,9 +115,9 @@ phpbb.addAjaxCallback('activate_deactivate', function(res) {
 	el.text(res.text);
 
 	if (newHref.indexOf('deactivate') !== -1) {
-		newHref = newHref.replace('deactivate', 'activate')
+		newHref = newHref.replace('deactivate', 'activate');
 	} else {
-		newHref = newHref.replace('activate', 'deactivate')
+		newHref = newHref.replace('activate', 'deactivate');
 	}
 
 	el.attr('href', newHref);
diff --git a/phpBB/adm/style/editor.js b/phpBB/adm/style/editor.js
index c9e8afe08e..9938ff5d0b 100644
--- a/phpBB/adm/style/editor.js
+++ b/phpBB/adm/style/editor.js
@@ -10,18 +10,16 @@ var theSelection = false;
 // Check for Browser & Platform for PC & IE specific bits
 // More details from: http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
 var clientPC = navigator.userAgent.toLowerCase(); // Get client info
-var clientVer = parseInt(navigator.appVersion); // Get browser version
-
-var is_ie = ((clientPC.indexOf('msie') != -1) && (clientPC.indexOf('opera') == -1));
-var is_win = ((clientPC.indexOf('win') != -1) || (clientPC.indexOf('16bit') != -1));
+var clientVer = parseInt(navigator.appVersion, 10); // Get browser version
 
+var is_ie = ((clientPC.indexOf('msie') !== -1) && (clientPC.indexOf('opera') === -1));
+var is_win = ((clientPC.indexOf('win') !== -1) || (clientPC.indexOf('16bit') !== -1));
 var baseHeight;
 
 /**
 * Shows the help messages in the helpline window
 */
-function helpline(help)
-{
+function helpline(help) {
 	document.forms[form_name].helpbox.value = help_line[help];
 }
 
@@ -29,26 +27,22 @@ function helpline(help)
 * Fix a bug involving the TextRange object. From
 * http://www.frostjedi.com/terra/scripts/demo/caretBug.html
 */ 
-function initInsertions() 
-{
+function initInsertions() {
 	var doc;
-	if(document.forms[form_name])
-	{
+
+	if (document.forms[form_name]) {
 		doc = document;
-	}
-	else
-	{
+	} else {
 		doc = opener.document;
 	}
 
 	var textarea = doc.forms[form_name].elements[text_name];
-	if (is_ie && typeof(baseHeight) != 'number')
-	{
+
+	if (is_ie && typeof(baseHeight) !== 'number') {
 		textarea.focus();
 		baseHeight = doc.selection.createRange().duplicate().boundingHeight;
 
-		if (!document.forms[form_name])
-		{
+		if (!document.forms[form_name]) {
 			document.body.focus();
 		}
 	}
@@ -57,69 +51,59 @@ function initInsertions()
 /**
 * bbstyle
 */
-function bbstyle(bbnumber)
-{
-	if (bbnumber != -1)
-	{
+function bbstyle(bbnumber) {
+	if (bbnumber !== -1) {
 		bbfontstyle(bbtags[bbnumber], bbtags[bbnumber+1]);
-	}
-	else
-	{
+	} else {
 		insert_text('[*]');
-		document.forms[form_name].elements[text_name].focus();		
+		document.forms[form_name].elements[text_name].focus();
 	}
 }
 
 /**
 * Apply bbcodes
 */
-function bbfontstyle(bbopen, bbclose)
-{
+function bbfontstyle(bbopen, bbclose) {
 	theSelection = false;
-		
+
 	var textarea = document.forms[form_name].elements[text_name];
 
 	textarea.focus();
 
-	if ((clientVer >= 4) && is_ie && is_win)
-	{
+	if ((clientVer >= 4) && is_ie && is_win) {
 		// Get text selection
 		theSelection = document.selection.createRange().text;
 
-		if (theSelection)
-		{
+		if (theSelection) {
 			// Add tags around selection
 			document.selection.createRange().text = bbopen + theSelection + bbclose;
 			document.forms[form_name].elements[text_name].focus();
 			theSelection = '';
 			return;
 		}
-	}
-	else if (document.forms[form_name].elements[text_name].selectionEnd && (document.forms[form_name].elements[text_name].selectionEnd - document.forms[form_name].elements[text_name].selectionStart > 0))
-	{
+	} else if (document.forms[form_name].elements[text_name].selectionEnd
+			&& (document.forms[form_name].elements[text_name].selectionEnd - document.forms[form_name].elements[text_name].selectionStart > 0)) {
 		mozWrap(document.forms[form_name].elements[text_name], bbopen, bbclose);
 		document.forms[form_name].elements[text_name].focus();
 		theSelection = '';
 		return;
 	}
-	
+
 	//The new position for the cursor after adding the bbcode
 	var caret_pos = getCaretPosition(textarea).start;
-	var new_pos = caret_pos + bbopen.length;		
+	var new_pos = caret_pos + bbopen.length;
 
 	// Open tag
 	insert_text(bbopen + bbclose);
 
 	// Center the cursor when we don't have a selection
 	// Gecko and proper browsers
-	if (!isNaN(textarea.selectionStart))
-	{
+	if (!isNaN(textarea.selectionStart)) {
 		textarea.selectionStart = new_pos;
 		textarea.selectionEnd = new_pos;
-	}	
+	}
 	// IE
-	else if (document.selection)
-	{
+	else if (document.selection) {
 		var range = textarea.createTextRange(); 
 		range.move("character", new_pos); 
 		range.select();
@@ -133,62 +117,47 @@ function bbfontstyle(bbopen, bbclose)
 /**
 * Insert text at position
 */
-function insert_text(text, spaces, popup)
-{
+function insert_text(text, spaces, popup) {
 	var textarea;
-	
-	if (!popup)
-	{
+
+	if (!popup) {
 		textarea = document.forms[form_name].elements[text_name];
-	}
-	else
-	{
+	} else {
 		textarea = opener.document.forms[form_name].elements[text_name];
 	}
 
-	if (spaces)
-	{
+	if (spaces) {
 		text = ' ' + text + ' ';
 	}
 
-	if (!isNaN(textarea.selectionStart))
-	{
+	if (!isNaN(textarea.selectionStart)) {
 		var sel_start = textarea.selectionStart;
 		var sel_end = textarea.selectionEnd;
 
 		mozWrap(textarea, text, '');
 		textarea.selectionStart = sel_start + text.length;
 		textarea.selectionEnd = sel_end + text.length;
-	}	
-	
-	else if (textarea.createTextRange && textarea.caretPos)
-	{
-		if (baseHeight != textarea.caretPos.boundingHeight) 
-		{
+	} else if (textarea.createTextRange && textarea.caretPos) {
+		if (baseHeight !== textarea.caretPos.boundingHeight) {
 			textarea.focus();
 			storeCaret(textarea);
 		}
+
 		var caret_pos = textarea.caretPos;
-		caret_pos.text = caret_pos.text.charAt(caret_pos.text.length - 1) == ' ' ? caret_pos.text + text + ' ' : caret_pos.text + text;
-		
-	}
-	else
-	{
+		caret_pos.text = caret_pos.text.charAt(caret_pos.text.length - 1) === ' ' ? caret_pos.text + text + ' ' : caret_pos.text + text;
+	} else {
 		textarea.value = textarea.value + text;
 	}
 
-	if (!popup)
-	{
+	if (!popup) {
 		textarea.focus();
 	}
-
 }
 
 /**
 * Add inline attachment at position
 */
-function attach_inline(index, filename)
-{
+function attach_inline(index, filename) {
 	insert_text('[attachment=' + index + ']' + filename + '[/attachment]');
 	document.forms[form_name].elements[text_name].focus();
 }
@@ -202,56 +171,39 @@ function addquote(post_id, username)
 	var theSelection = '';
 	var divarea = false;
 
-	if (document.all)
-	{
+	if (document.all) {
 		divarea = document.all[message_name];
-	}
-	else
-	{
+	} else {
 		divarea = document.getElementById(message_name);
 	}
 
 	// Get text selection - not only the post content :(
-	if (window.getSelection)
-	{
+	if (window.getSelection) {
 		theSelection = window.getSelection().toString();
-	}
-	else if (document.getSelection)
-	{
+	} else if (document.getSelection) {
 		theSelection = document.getSelection();
-	}
-	else if (document.selection)
-	{
+	} else if (document.selection) {
 		theSelection = document.selection.createRange().text;
 	}
 
-	if (theSelection == '' || typeof theSelection == 'undefined' || theSelection == null)
-	{
-		if (divarea.innerHTML)
-		{
+	if (theSelection === '' || typeof theSelection === 'undefined' || theSelection === null) {
+		if (divarea.innerHTML) {
 			theSelection = divarea.innerHTML.replace(/<br>/ig, '\n');
 			theSelection = theSelection.replace(/<br\/>/ig, '\n');
 			theSelection = theSelection.replace(/&lt\;/ig, '<');
 			theSelection = theSelection.replace(/&gt\;/ig, '>');
-			theSelection = theSelection.replace(/&amp\;/ig, '&');			
+			theSelection = theSelection.replace(/&amp\;/ig, '&');
 			theSelection = theSelection.replace(/&nbsp\;/ig, ' ');
-		}
-		else if (document.all)
-		{
+		} else if (document.all) {
 			theSelection = divarea.innerText;
-		}
-		else if (divarea.textContent)
-		{
+		} else if (divarea.textContent) {
 			theSelection = divarea.textContent;
-		}
-		else if (divarea.firstChild.nodeValue)
-		{
+		} else if (divarea.firstChild.nodeValue) {
 			theSelection = divarea.firstChild.nodeValue;
 		}
 	}
 
-	if (theSelection)
-	{
+	if (theSelection) {
 		insert_text('[quote="' + username + '"]' + theSelection + '[/quote]');
 	}
 
@@ -261,15 +213,13 @@ function addquote(post_id, username)
 /**
 * From http://www.massless.org/mozedit/
 */
-function mozWrap(txtarea, open, close)
-{
-	var selLength = (typeof(txtarea.textLength) == 'undefined') ? txtarea.value.length : txtarea.textLength;
+function mozWrap(txtarea, open, close) {
+	var selLength = (typeof(txtarea.textLength) === 'undefined') ? txtarea.value.length : txtarea.textLength;
 	var selStart = txtarea.selectionStart;
 	var selEnd = txtarea.selectionEnd;
 	var scrollTop = txtarea.scrollTop;
 
-	if (selEnd == 1 || selEnd == 2) 
-	{
+	if (selEnd === 1 || selEnd === 2) {
 		selEnd = selLength;
 	}
 
@@ -290,10 +240,8 @@ function mozWrap(txtarea, open, close)
 * Insert at Caret position. Code from
 * http://www.faqts.com/knowledge_base/view.phtml/aid/1052/fid/130
 */
-function storeCaret(textEl)
-{
-	if (textEl.createTextRange)
-	{
+function storeCaret(textEl) {
+	if (textEl.createTextRange) {
 		textEl.caretPos = document.selection.createRange().duplicate();
 	}
 }
@@ -301,8 +249,7 @@ function storeCaret(textEl)
 /**
 * Color pallette
 */
-function colorPalette(dir, width, height)
-{
+function colorPalette(dir, width, height) {
 	var r = 0, g = 0, b = 0;
 	var numberList = new Array(6);
 	var color = '';
@@ -315,88 +262,74 @@ function colorPalette(dir, width, height)
 
 	document.writeln('<table class="type2">');
 
-	for (r = 0; r < 5; r++)
-	{
-		if (dir == 'h')
-		{
+	for (r = 0; r < 5; r++) {
+		if (dir === 'h') {
 			document.writeln('<tr>');
 		}
 
-		for (g = 0; g < 5; g++)
-		{
-			if (dir == 'v')
-			{
+		for (g = 0; g < 5; g++) {
+			if (dir === 'v') {
 				document.writeln('<tr>');
 			}
-			
-			for (b = 0; b < 5; b++)
-			{
+
+			for (b = 0; b < 5; b++) {
 				color = String(numberList[r]) + String(numberList[g]) + String(numberList[b]);
 				document.write('<td bgcolor="#' + color + '" style="width: ' + width + 'px; height: ' + height + 'px;">');
 				document.write('<a href="#" onclick="bbfontstyle(\'[color=#' + color + ']\', \'[/color]\'); return false;"><img src="images/spacer.gif" width="' + width + '" height="' + height + '" alt="#' + color + '" title="#' + color + '" /></a>');
 				document.writeln('</td>');
 			}
 
-			if (dir == 'v')
-			{
+			if (dir === 'v') {
 				document.writeln('</tr>');
 			}
 		}
 
-		if (dir == 'h')
-		{
+		if (dir === 'h') {
 			document.writeln('</tr>');
 		}
 	}
 	document.writeln('</table>');
 }
 
-
 /**
 * Caret Position object
 */
-function caretPosition()
-{
+function caretPosition() {
 	var start = null;
 	var end = null;
 }
 
-
 /**
 * Get the caret position in an textarea
 */
-function getCaretPosition(txtarea)
-{
+function getCaretPosition(txtarea) {
 	var caretPos = new caretPosition();
-	
+
 	// simple Gecko/Opera way
-	if (txtarea.selectionStart || txtarea.selectionStart == 0)
-	{
+	if (txtarea.selectionStart || txtarea.selectionStart === 0) {
 		caretPos.start = txtarea.selectionStart;
 		caretPos.end = txtarea.selectionEnd;
 	}
 	// dirty and slow IE way
-	else if (document.selection)
-	{
+	else if (document.selection) {
 		// get current selection
 		var range = document.selection.createRange();
 
 		// a new selection of the whole textarea
 		var range_all = document.body.createTextRange();
 		range_all.moveToElementText(txtarea);
-		
+
 		// calculate selection start point by moving beginning of range_all to beginning of range
 		var sel_start;
-		for (sel_start = 0; range_all.compareEndPoints('StartToStart', range) < 0; sel_start++)
-		{
+		for (sel_start = 0; range_all.compareEndPoints('StartToStart', range) < 0; sel_start++) {
 			range_all.moveStart('character', 1);
 		}
-	
+
 		txtarea.sel_start = sel_start;
-	
+
 		// we ignore the end value for IE, this is already dirty enough and we don't need it
 		caretPos.start = txtarea.sel_start;
-		caretPos.end = txtarea.sel_start;			
+		caretPos.end = txtarea.sel_start;
 	}
 
 	return caretPos;
diff --git a/phpBB/adm/style/permissions.js b/phpBB/adm/style/permissions.js
index adc8995c23..1c85fbd9ef 100644
--- a/phpBB/adm/style/permissions.js
+++ b/phpBB/adm/style/permissions.js
@@ -2,35 +2,27 @@
 * Hide and show all checkboxes
 * status = true (show boxes), false (hide boxes)
 */
-function display_checkboxes(status) 
-{
+function display_checkboxes(status) {
 	var form = document.getElementById('set-permissions');
 	var cb = document.getElementsByTagName('input');
 	var display;
 
 	//show
-	if (status)
-	{
+	if (status) {
 		display = 'inline';
 	}
 	//hide
-	else
-	{
+	else {
 		display = 'none';
 	}
-	
-	for (var i = 0; i < cb.length; i++ )
-	{
-		if (cb[i].className == 'permissions-checkbox')
-		{
+
+	for (var i = 0; i < cb.length; i++ ) {
+		if (cb[i].className === 'permissions-checkbox') {
 			cb[i].style.display = display;
 		}
-		
-	}	
-	
+	}
 }
 
-
 /**
 * Change opacity of element
 * e = element
@@ -38,7 +30,7 @@ function display_checkboxes(status)
 */
 function set_opacity(e, value) {
 	e.style.opacity = value/10;
-	
+
 	//IE opacity currently turned off, because of its astronomical stupidity
 	//e.style.filter = 'alpha(opacity=' + value*10 + ')';
 }
@@ -50,13 +42,10 @@ function set_opacity(e, value) {
 function toggle_opacity(block_id) {
 	var cb = document.getElementById('checkbox' + block_id);
 	var fs = document.getElementById('perm' + block_id);
-	
-	if (cb.checked) 
-	{
+
+	if (cb.checked) {
 		set_opacity(fs, 5);
-	} 
-	else 
-	{
+	} else {
 		set_opacity(fs, 10);
 	}
 }
@@ -71,21 +60,17 @@ function reset_opacity(status, except_id) {
 	var fs = perm.getElementsByTagName('fieldset');
 	var opacity = 5;
 
-	if (status)
-	{
-		opacity = 10;	
+	if (status) {
+		opacity = 10;
 	}
-	
-	for (var i = 0; i < fs.length; i++ )
-	{
-		if (fs[i].className != 'quick')
-		{
+
+	for (var i = 0; i < fs.length; i++ ) {
+		if (fs[i].className !== 'quick') {
 			set_opacity(fs[i], opacity);
 		}
 	}
 
-	if (typeof(except_id) != 'undefined')
-	{
+	if (typeof(except_id) !== 'undefined') {
 		set_opacity(document.getElementById('perm' + except_id), 10);
 	}
 
@@ -93,20 +78,15 @@ function reset_opacity(status, except_id) {
 	marklist('set-permissions', 'inherit', !status);
 }
 
-
 /**
 * Check whether we have a full radiobutton row of true
 * index = offset for the row of inputs (0 == first row, 1 == second, 2 == third),
 * rb = array of radiobuttons
 */
-function get_radio_status(index, rb) 
-{
-	for (var i = index; i < rb.length; i = i + 3 )
-	{
-		if (rb[i].checked != true)
-		{
-			if (i > index)
-			{
+function get_radio_status(index, rb) {
+	for (var i = index; i < rb.length; i = i + 3 ) {
+		if (rb[i].checked !== true) {
+			if (i > index) {
 				//at least one is true, but not all (custom)
 				return 2;
 			}
@@ -121,17 +101,15 @@ function get_radio_status(index, rb)
 
 /**
 * Set tab colours
-* id = panel the tab needs to be set for, 
-* init = initialising on open, 
+* id = panel the tab needs to be set for,
+* init = initialising on open,
 * quick = If no calculation needed, this contains the colour
 */
-function set_colours(id, init, quick)
-{
+function set_colours(id, init, quick) {
 	var table = document.getElementById('table' + id);
 	var tab = document.getElementById('tab' + id);
 
-	if (typeof(quick) != 'undefined') 
-	{
+	if (typeof(quick) !== 'undefined') {
 		tab.className = 'permissions-preset-' + quick + ' activetab';
 		return;
 	}
@@ -141,37 +119,27 @@ function set_colours(id, init, quick)
 
 	var status = get_radio_status(0, rb);
 
-	if (status == 1)
-	{
+	if (status === 1) {
 		colour = 'yes';
-	}
-	else if (status == 0) 
-	{
+	} else if (status === 0) {
 		// We move on to No
 		status = get_radio_status(1, rb);
 
-		if (status == 1)
-		{
+		if (status === 1) {
 			colour = 'no';
-		}
-		else if (status == 0) 
-		{
+		} else if (status === 0) {
 			// We move on to Never
 			status = get_radio_status(2, rb);
 
-			if (status == 1)
-			{
+			if (status === 1) {
 				colour = 'never';
 			}
 		}
 	}
 
-	if (init)
-	{
+	if (init) {
 		tab.className = 'permissions-preset-' + colour;
-	}
-	else
-	{
+	} else {
 		tab.className = 'permissions-preset-' + colour + ' activetab';
 	}
 }
@@ -180,16 +148,13 @@ function set_colours(id, init, quick)
 * Initialise advanced tab colours on first load
 * block_id = block that is opened
 */
-function init_colours(block_id)
-{	
+function init_colours(block_id) {
 	var block = document.getElementById('advanced' + block_id);
 	var panels = block.getElementsByTagName('div');
 	var tab = document.getElementById('tab' + id);
 
-	for (var i = 0; i < panels.length; i++)
-	{
-		if(panels[i].className == 'permissions-panel')
-		{
+	for (var i = 0; i < panels.length; i++) {
+		if (panels[i].className === 'permissions-panel') {
 			set_colours(panels[i].id.replace(/options/, ''), true);
 		}
 	}
@@ -203,17 +168,15 @@ function init_colours(block_id)
 * adv = we are opening advanced permissions
 * view = called from view permissions
 */
-function swap_options(pmask, fmask, cat, adv, view)
-{
+function swap_options(pmask, fmask, cat, adv, view) {
 	id = pmask + fmask + cat;
 	active_option = active_pmask + active_fmask + active_cat;
 
-	var	old_tab = document.getElementById('tab' + active_option);	
+	var	old_tab = document.getElementById('tab' + active_option);
 	var new_tab = document.getElementById('tab' + id);
 	var adv_block = document.getElementById('advanced' + pmask + fmask);
 
-	if (adv_block.style.display == 'block' && adv == true)
-	{
+	if (adv_block.style.display === 'block' && adv === true) {
 		dE('advanced' + pmask + fmask, -1);
 		reset_opacity(1);
 		display_checkboxes(false);
@@ -221,20 +184,16 @@ function swap_options(pmask, fmask, cat, adv, view)
 	}
 
 	// no need to set anything if we are clicking on the same tab again
-	if (new_tab == old_tab && !adv)
-	{
+	if (new_tab === old_tab && !adv) {
 		return;
 	}
 
 	// init colours
-	if (adv && (pmask + fmask) != (active_pmask + active_fmask))
-	{
+	if (adv && (pmask + fmask) !== (active_pmask + active_fmask)) {
 		init_colours(pmask + fmask);
 		display_checkboxes(true);
 		reset_opacity(1);
-	} 
-	else if (adv) 
-	{
+	} else if (adv) {
 		//Checkbox might have been clicked, but we need full visibility
 		display_checkboxes(true);
 		reset_opacity(1);
@@ -244,31 +203,26 @@ function swap_options(pmask, fmask, cat, adv, view)
 	old_tab.className = old_tab.className.replace(/\ activetab/g, '');
 	new_tab.className = new_tab.className + ' activetab';
 
-	if (id == active_option && adv != true)
-	{
+	if (id === active_option && adv !== true) {
 		return;
 	}
 
 	dE('options' + active_option, -1);
-	
+
 	//hiding and showing the checkbox
-	if (document.getElementById('checkbox' + active_pmask + active_fmask))
-	{
-		dE('checkbox' + pmask + fmask, -1);	
-		
-		if ((pmask + fmask) != (active_pmask + active_fmask))
-		{
+	if (document.getElementById('checkbox' + active_pmask + active_fmask)) {
+		dE('checkbox' + pmask + fmask, -1);
+
+		if ((pmask + fmask) !== (active_pmask + active_fmask)) {
 			document.getElementById('checkbox' + active_pmask + active_fmask).style.display = 'inline';
 		}
 	}
 
-	if (!view)
-	{
+	if (!view) {
 		dE('advanced' + active_pmask + active_fmask, -1);
 	}
 
-	if (!view)
-	{
+	if (!view) {
 		dE('advanced' + pmask + fmask, 1);
 	}
 	dE('options' + id, 1);
@@ -282,41 +236,33 @@ function swap_options(pmask, fmask, cat, adv, view)
 * Mark all radio buttons in one panel
 * id = table ID container, s = status ['y'/'u'/'n']
 */
-function mark_options(id, s)
-{
+function mark_options(id, s) {
 	var t = document.getElementById(id);
 
-	if (!t)
-	{
+	if (!t) {
 		return;
 	}
 
 	var rb = t.getElementsByTagName('input');
 
-	for (var r = 0; r < rb.length; r++)
-	{
-		if (rb[r].id.substr(rb[r].id.length-1) == s)
-		{
+	for (var r = 0; r < rb.length; r++) {
+		if (rb[r].id.substr(rb[r].id.length-1) === s) {
 			rb[r].checked = true;
 		}
 	}
 }
 
-function mark_one_option(id, field_name, s)
-{
+function mark_one_option(id, field_name, s) {
 	var t = document.getElementById(id);
 
-	if (!t)
-	{
+	if (!t) {
 		return;
 	}
 
 	var rb = t.getElementsByTagName('input');
 
-	for (var r = 0; r < rb.length; r++)
-	{
-		if (rb[r].id.substr(rb[r].id.length-field_name.length-3, field_name.length) == field_name && rb[r].id.substr(rb[r].id.length-1) == s)
-		{
+	for (var r = 0; r < rb.length; r++) {
+		if (rb[r].id.substr(rb[r].id.length-field_name.length-3, field_name.length) === field_name && rb[r].id.substr(rb[r].id.length-1) === s) {
 			rb[r].checked = true;
 		}
 	}
@@ -325,12 +271,10 @@ function mark_one_option(id, field_name, s)
 /**
 * Reset role dropdown field to Select role... if an option gets changed
 */
-function reset_role(id)
-{
+function reset_role(id) {
 	var t = document.getElementById(id);
 
-	if (!t)
-	{
+	if (!t) {
 		return;
 	}
 
@@ -340,20 +284,17 @@ function reset_role(id)
 /**
 * Load role and set options accordingly
 */
-function set_role_settings(role_id, target_id)
-{
+function set_role_settings(role_id, target_id) {
 	settings = role_options[role_id];
 
-	if (!settings)
-	{
+	if (!settings) {
 		return;
 	}
 
 	// Mark all options to no (unset) first...
 	mark_options(target_id, 'u');
 
-	for (var r in settings)
-	{
-		mark_one_option(target_id, r, (settings[r] == 1) ? 'y' : 'n');
+	for (var r in settings) {
+		mark_one_option(target_id, r, (settings[r] === 1) ? 'y' : 'n');
 	}
 }
diff --git a/phpBB/adm/style/timezone.js b/phpBB/adm/style/timezone.js
index 419d37c34f..b5e27c907c 100644
--- a/phpBB/adm/style/timezone.js
+++ b/phpBB/adm/style/timezone.js
@@ -1,5 +1,7 @@
 (function($) { // Avoid conflicts with other libraries
 
+"use strict";
+
 $('#tz_date').change(function() {
 	phpbb.timezoneSwitchDate(false);
 });
diff --git a/phpBB/adm/style/tooltip.js b/phpBB/adm/style/tooltip.js
index 20610b52fe..3a89008706 100644
--- a/phpBB/adm/style/tooltip.js
+++ b/phpBB/adm/style/tooltip.js
@@ -1,6 +1,6 @@
 /*
 javascript for Bubble Tooltips by Alessandro Fulciniti
-- http://pro.html.it - http://web-graphics.com 
+- http://pro.html.it - http://web-graphics.com
 obtained from: http://web-graphics.com/mtarchive/001717.php
 
 phpBB Development Team:
@@ -15,14 +15,12 @@ var head_text, tooltip_mode;
 /**
 * Enable tooltip replacements for links
 */
-function enable_tooltips_link(id, headline, sub_id)
-{
+function enable_tooltips_link(id, headline, sub_id) {
 	var links, i, hold;
-	
+
 	head_text = headline;
 
-	if (!document.getElementById || !document.getElementsByTagName)
-	{
+	if (!document.getElementById || !document.getElementsByTagName) {
 		return;
 	}
 
@@ -33,26 +31,18 @@ function enable_tooltips_link(id, headline, sub_id)
 
 	document.getElementsByTagName('body')[0].appendChild(hold);
 
-	if (id == null)
-	{
+	if (id === null) {
 		links = document.getElementsByTagName('a');
-	}
-	else
-	{
+	} else {
 		links = document.getElementById(id).getElementsByTagName('a');
 	}
 
-	for (i = 0; i < links.length; i++)
-	{
-		if (sub_id)
-		{
-			if (links[i].id.substr(0, sub_id.length) == sub_id)
-			{
+	for (i = 0; i < links.length; i++) {
+		if (sub_id) {
+			if (links[i].id.substr(0, sub_id.length) === sub_id) {
 				prepare(links[i]);
 			}
-		}
-		else
-		{
+		} else {
 			prepare(links[i]);
 		}
 	}
@@ -63,14 +53,12 @@ function enable_tooltips_link(id, headline, sub_id)
 /**
 * Enable tooltip replacements for selects
 */
-function enable_tooltips_select(id, headline, sub_id)
-{
+function enable_tooltips_select(id, headline, sub_id) {
 	var links, i, hold;
-	
+
 	head_text = headline;
 
-	if (!document.getElementById || !document.getElementsByTagName)
-	{
+	if (!document.getElementById || !document.getElementsByTagName) {
 		return;
 	}
 
@@ -81,26 +69,18 @@ function enable_tooltips_select(id, headline, sub_id)
 
 	document.getElementsByTagName('body')[0].appendChild(hold);
 
-	if (id == null)
-	{
+	if (id === null) {
 		links = document.getElementsByTagName('option');
-	}
-	else
-	{
+	} else {
 		links = document.getElementById(id).getElementsByTagName('option');
 	}
 
-	for (i = 0; i < links.length; i++)
-	{
-		if (sub_id)
-		{
-			if (links[i].parentNode.id.substr(0, sub_id.length) == sub_id)
-			{
+	for (i = 0; i < links.length; i++) {
+		if (sub_id) {
+			if (links[i].parentNode.id.substr(0, sub_id.length) === sub_id) {
 				prepare(links[i]);
 			}
-		}
-		else
-		{
+		} else {
 			prepare(links[i]);
 		}
 	}
@@ -111,14 +91,12 @@ function enable_tooltips_select(id, headline, sub_id)
 /**
 * Prepare elements to replace
 */
-function prepare(element)
-{
+function prepare(element) {
 	var tooltip, text, desc, title;
 
 	text = element.getAttribute('title');
 
-	if (text == null || text.length == 0)
-	{
+	if (text === null || text.length === 0) {
 		return;
 	}
 
@@ -139,8 +117,7 @@ function prepare(element)
 	element.onmouseover = show_tooltip;
 	element.onmouseout = hide_tooltip;
 
-	if (tooltip_mode == 'link')
-	{
+	if (tooltip_mode === 'link') {
 		element.onmousemove = locate;
 	}
 }
@@ -148,8 +125,7 @@ function prepare(element)
 /**
 * Show tooltip
 */
-function show_tooltip(e)
-{
+function show_tooltip(e) {
 	document.getElementById('_tooltip_container').appendChild(this.tooltip);
 	locate(this);
 }
@@ -157,11 +133,9 @@ function show_tooltip(e)
 /**
 * Hide tooltip
 */
-function hide_tooltip(e)
-{
+function hide_tooltip(e) {
 	var d = document.getElementById('_tooltip_container');
-	if (d.childNodes.length > 0)
-	{
+	if (d.childNodes.length > 0) {
 		d.removeChild(d.firstChild);
 	}
 }
@@ -169,8 +143,7 @@ function hide_tooltip(e)
 /**
 * Set opacity on tooltip element
 */
-function set_opacity(element)
-{
+function set_opacity(element) {
 	element.style.filter = 'alpha(opacity:95)';
 	element.style.KHTMLOpacity = '0.95';
 	element.style.MozOpacity = '0.95';
@@ -180,8 +153,7 @@ function set_opacity(element)
 /**
 * Create new element
 */
-function create_element(tag, c)
-{
+function create_element(tag, c) {
 	var x = document.createElement(tag);
 	x.className = c;
 	x.style.display = 'block';
@@ -191,34 +163,26 @@ function create_element(tag, c)
 /**
 * Correct positioning of tooltip container
 */
-function locate(e)
-{
+function locate(e) {
 	var posx = 0;
 	var posy = 0;
 
 	e = e.parentNode;
 
-	if (e.offsetParent)
-	{
-		for (var posx = 0, posy = 0; e.offsetParent; e = e.offsetParent)
-		{
+	if (e.offsetParent) {
+		for (posx = 0, posy = 0; e.offsetParent; e = e.offsetParent) {
 			posx += e.offsetLeft;
 			posy += e.offsetTop;
 		}
-	}
-	else
-	{
+	} else {
 		posx = e.offsetLeft;
 		posy = e.offsetTop;
 	}
 
-	if (tooltip_mode == 'link')
-	{
+	if (tooltip_mode === 'link') {
 		document.getElementById('_tooltip_container').style.top=(posy+20) + 'px';
 		document.getElementById('_tooltip_container').style.left=(posx-20) + 'px';
-	}
-	else
-	{
+	} else {
 		document.getElementById('_tooltip_container').style.top=(posy+30) + 'px';
 		document.getElementById('_tooltip_container').style.left=(posx-205) + 'px';
 	}
diff --git a/phpBB/assets/javascript/core.js b/phpBB/assets/javascript/core.js
index 40da09377e..8bbea8b8c9 100644
--- a/phpBB/assets/javascript/core.js
+++ b/phpBB/assets/javascript/core.js
@@ -57,7 +57,7 @@ phpbb.clearLoadingTimeout = function() {
  * @param string title Title of the message, eg "Information" (HTML).
  * @param string msg Message to display (HTML).
  * @param bool fadedark Remove the dark background when done? Defaults
- * 	to yes.
+ *     to yes.
  *
  * @returns object Returns the div created.
  */
@@ -121,9 +121,9 @@ phpbb.alert = function(title, msg, fadedark) {
  *
  * @param string msg Message to display (HTML).
  * @param function callback Callback. Bool param, whether the user pressed
- * 	yes or no (or whatever their language is).
+ *     yes or no (or whatever their language is).
  * @param bool fadedark Remove the dark background when done? Defaults
- * 	to yes.
+ *     to yes.
  *
  * @returns object Returns the div created.
  */
@@ -232,10 +232,10 @@ phpbb.parseQuerystring = function(string) {
  *
  * @param object options Options.
  * @param bool/function refresh If we are sent back a refresh, should it be
- * 	acted upon? This can either be true / false / a function.
+ *     acted upon? This can either be true / false / a function.
  * @param function callback Callback to call on completion of event. Has
- * 	three parameters: the element that the event was evoked from, the JSON
- * 	that was returned and (if it is a form) the form action.
+ *     three parameters: the element that the event was evoked from, the JSON
+ *     that was returned and (if it is a form) the form action.
  */
 phpbb.ajaxify = function(options) {
 	var elements = $(options.selector),
@@ -252,6 +252,11 @@ phpbb.ajaxify = function(options) {
 			return;
 		}
 
+		function errorHandler() {
+			phpbb.clearLoadingTimeout();
+			phpbb.alert(dark.attr('data-ajax-error-title'), dark.attr('data-ajax-error-text'));
+		}
+
 		/**
 		 * This is a private function used to handle the callbacks, refreshes
 		 * and alert. It calls the callback, refreshes the page if necessary, and
@@ -320,13 +325,6 @@ phpbb.ajaxify = function(options) {
 			}
 		}
 
-		function errorHandler() {
-			var alert;
-
-			phpbb.clearLoadingTimeout();
-			alert = phpbb.alert(dark.attr('data-ajax-error-title'), dark.attr('data-ajax-error-text'));
-		}
-
 		// If the element is a form, POST must be used and some extra data must
 		// be taken from the form.
 		var runFilter = (typeof options.filter === 'function');
@@ -355,8 +353,7 @@ phpbb.ajaxify = function(options) {
 			return;
 		}
 
-		if (overlay && (typeof $this.attr('data-overlay') === 'undefined' || $this.attr('data-overlay') == 'true'))
-		{
+		if (overlay && (typeof $this.attr('data-overlay') === 'undefined' || $this.attr('data-overlay') === 'true')) {
 			phpbb.loadingAlert();
 		}
 
@@ -389,7 +386,7 @@ phpbb.ajaxify = function(options) {
 * @param	bool	keepSelection		Shall we keep the value selected, or shall the user be forced to repick one.
 */
 phpbb.timezoneSwitchDate = function(keepSelection) {
-	if ($('#timezone_copy').length == 0) {
+	if ($('#timezone_copy').length === 0) {
 		// We make a backup of the original dropdown, so we can remove optgroups
 		// instead of setting display to none, because IE and chrome will not
 		// hide options inside of optgroups and selects via css
@@ -399,17 +396,17 @@ phpbb.timezoneSwitchDate = function(keepSelection) {
 		$('#timezone').replaceWith($('#timezone_copy').clone().attr('id', 'timezone').css('display', 'block').attr('name', 'tz'));
 	}
 
-	if ($('#tz_date').val() != '') {
+	if ($('#tz_date').val() !== '') {
 		$('#timezone > optgroup').remove(":not([label='" + $('#tz_date').val() + "'])");
 	}
 
-	if ($('#tz_date').val() == $('#tz_select_date_suggest').attr('data-suggested-tz')) {
+	if ($('#tz_date').val() === $('#tz_select_date_suggest').attr('data-suggested-tz')) {
 		$('#tz_select_date_suggest').css('display', 'none');
 	} else {
 		$('#tz_select_date_suggest').css('display', 'inline');
 	}
 
-	if ($("#timezone > optgroup[label='" + $('#tz_date').val() + "'] > option").size() == 1) {
+	if ($("#timezone > optgroup[label='" + $('#tz_date').val() + "'] > option").size() === 1) {
 		// If there is only one timezone for the selected date, we just select that automatically.
 		$("#timezone > optgroup[label='" + $('#tz_date').val() + "'] > option:first").attr('selected', true);
 		keepSelection = true;
@@ -440,12 +437,11 @@ phpbb.timezonePreselectSelect = function(forceSelector) {
 	// The offset returned here is in minutes and negated.
 	// http://www.w3schools.com/jsref/jsref_getTimezoneOffset.asp
 	var offset = (new Date()).getTimezoneOffset();
+	var sign = '-';
 
 	if (offset < 0) {
-		var sign = '+';
+		sign = '+';
 		offset = -offset;
-	} else {
-		var sign = '-';
 	}
 
 	var minutes = offset % 60;
@@ -466,12 +462,13 @@ phpbb.timezonePreselectSelect = function(forceSelector) {
 	var prefix = 'GMT' + sign + hours + ':' + minutes;
 	var prefixLength = prefix.length;
 	var selectorOptions = $('#tz_date > option');
+	var i;
 
-	for (var i = 0; i < selectorOptions.length; ++i) {
+	for (i = 0; i < selectorOptions.length; ++i) {
 		var option = selectorOptions[i];
 
-		if (option.value.substring(0, prefixLength) == prefix) {
-			if ($('#tz_date').val() != option.value && !forceSelector) {
+		if (option.value.substring(0, prefixLength) === prefix) {
+			if ($('#tz_date').val() !== option.value && !forceSelector) {
 				// We do not select the option for the user, but notify him,
 				// that we would suggest a different setting.
 				phpbb.timezoneSwitchDate(true);
diff --git a/phpBB/styles/prosilver/template/ajax.js b/phpBB/styles/prosilver/template/ajax.js
index 0b587ac561..8dd1f58c97 100644
--- a/phpBB/styles/prosilver/template/ajax.js
+++ b/phpBB/styles/prosilver/template/ajax.js
@@ -39,7 +39,7 @@ phpbb.addAjaxCallback('mark_forums_read', function(res) {
 
 	// Mark topics read if we are watching a category and showing active topics
 	if ($('#active_topics').length) {
-		phpbb.ajaxCallbacks['mark_topics_read'].call(this, res, false);
+		phpbb.ajaxCallbacks.mark_topics_read.call(this, res, false);
 	}
 
 	// Update mark forums read links
@@ -75,7 +75,7 @@ phpbb.addAjaxCallback('mark_topics_read', function(res, update_topic_links) {
 	$.each(iconsArray, function(unreadClass, readClass) {
 		$.each(iconsState, function(key, value) {
 			// Only topics can be hot
-			if ((value == '_hot' || value == '_hot_mine') && unreadClass != 'topic_unread') {
+			if ((value === '_hot' || value === '_hot_mine') && unreadClass !== 'topic_unread') {
 				return true;
 			}
 			classMap[unreadClass + value] = readClass + value;
@@ -217,7 +217,7 @@ $('#quick-mod-select').change(function () {
 */
 $('#member_search').click(function () {
 	$('#memberlist_search').slideToggle('fast');
-	phpbb.ajax_callbacks['alt_text'].call(this);
+	phpbb.ajax_callbacks.alt_text.call(this);
 	// Focus on the username textbox if it's available and displayed
 	if ($('#memberlist_search').is(':visible')) {
 		$('#username').focus();
diff --git a/phpBB/styles/prosilver/template/editor.js b/phpBB/styles/prosilver/template/editor.js
index c16b0ef703..93506b8d4a 100644
--- a/phpBB/styles/prosilver/template/editor.js
+++ b/phpBB/styles/prosilver/template/editor.js
@@ -6,22 +6,21 @@
 // Startup variables
 var imageTag = false;
 var theSelection = false;
-
 var bbcodeEnabled = true;
+
 // Check for Browser & Platform for PC & IE specific bits
 // More details from: http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
 var clientPC = navigator.userAgent.toLowerCase(); // Get client info
-var clientVer = parseInt(navigator.appVersion); // Get browser version
+var clientVer = parseInt(navigator.appVersion, 10); // Get browser version
 
-var is_ie = ((clientPC.indexOf('msie') != -1) && (clientPC.indexOf('opera') == -1));
-var is_win = ((clientPC.indexOf('win') != -1) || (clientPC.indexOf('16bit') != -1));
+var is_ie = ((clientPC.indexOf('msie') !== -1) && (clientPC.indexOf('opera') === -1));
+var is_win = ((clientPC.indexOf('win') !== -1) || (clientPC.indexOf('16bit') !== -1));
 var baseHeight;
 
 /**
 * Shows the help messages in the helpline window
 */
-function helpline(help)
-{
+function helpline(help) {
 	document.forms[form_name].helpbox.value = help_line[help];
 }
 
@@ -29,28 +28,22 @@ function helpline(help)
 * Fix a bug involving the TextRange object. From
 * http://www.frostjedi.com/terra/scripts/demo/caretBug.html
 */ 
-function initInsertions() 
-{
+function initInsertions() {
 	var doc;
 
-	if (document.forms[form_name])
-	{
+	if (document.forms[form_name]) {
 		doc = document;
-	}
-	else 
-	{
+	} else {
 		doc = opener.document;
 	}
 
 	var textarea = doc.forms[form_name].elements[text_name];
 
-	if (is_ie && typeof(baseHeight) != 'number')
-	{
+	if (is_ie && typeof(baseHeight) !== 'number') {
 		textarea.focus();
 		baseHeight = doc.selection.createRange().duplicate().boundingHeight;
 
-		if (!document.forms[form_name])
-		{
+		if (!document.forms[form_name]) {
 			document.body.focus();
 		}
 	}
@@ -59,14 +52,10 @@ function initInsertions()
 /**
 * bbstyle
 */
-function bbstyle(bbnumber)
-{	
-	if (bbnumber != -1)
-	{
+function bbstyle(bbnumber) {
+	if (bbnumber !== -1) {
 		bbfontstyle(bbtags[bbnumber], bbtags[bbnumber+1]);
-	} 
-	else 
-	{
+	} else {
 		insert_text('[*]');
 		document.forms[form_name].elements[text_name].focus();
 	}
@@ -75,53 +64,47 @@ function bbstyle(bbnumber)
 /**
 * Apply bbcodes
 */
-function bbfontstyle(bbopen, bbclose)
-{
+function bbfontstyle(bbopen, bbclose) {
 	theSelection = false;
 
 	var textarea = document.forms[form_name].elements[text_name];
 
 	textarea.focus();
 
-	if ((clientVer >= 4) && is_ie && is_win)
-	{
+	if ((clientVer >= 4) && is_ie && is_win) {
 		// Get text selection
 		theSelection = document.selection.createRange().text;
 
-		if (theSelection)
-		{
+		if (theSelection) {
 			// Add tags around selection
 			document.selection.createRange().text = bbopen + theSelection + bbclose;
 			document.forms[form_name].elements[text_name].focus();
 			theSelection = '';
 			return;
 		}
-	}
-	else if (document.forms[form_name].elements[text_name].selectionEnd && (document.forms[form_name].elements[text_name].selectionEnd - document.forms[form_name].elements[text_name].selectionStart > 0))
-	{
+	} else if (document.forms[form_name].elements[text_name].selectionEnd
+			&& (document.forms[form_name].elements[text_name].selectionEnd - document.forms[form_name].elements[text_name].selectionStart > 0)) {
 		mozWrap(document.forms[form_name].elements[text_name], bbopen, bbclose);
 		document.forms[form_name].elements[text_name].focus();
 		theSelection = '';
 		return;
 	}
-	
+
 	//The new position for the cursor after adding the bbcode
 	var caret_pos = getCaretPosition(textarea).start;
-	var new_pos = caret_pos + bbopen.length;		
+	var new_pos = caret_pos + bbopen.length;
 
 	// Open tag
 	insert_text(bbopen + bbclose);
 
 	// Center the cursor when we don't have a selection
 	// Gecko and proper browsers
-	if (!isNaN(textarea.selectionStart))
-	{
+	if (!isNaN(textarea.selectionStart)) {
 		textarea.selectionStart = new_pos;
 		textarea.selectionEnd = new_pos;
-	}	
+	}
 	// IE
-	else if (document.selection)
-	{
+	else if (document.selection) {
 		var range = textarea.createTextRange(); 
 		range.move("character", new_pos); 
 		range.select();
@@ -135,51 +118,41 @@ function bbfontstyle(bbopen, bbclose)
 /**
 * Insert text at position
 */
-function insert_text(text, spaces, popup)
-{
+function insert_text(text, spaces, popup) {
 	var textarea;
-	
-	if (!popup) 
-	{
+
+	if (!popup) {
 		textarea = document.forms[form_name].elements[text_name];
-	} 
-	else 
-	{
+	} else {
 		textarea = opener.document.forms[form_name].elements[text_name];
 	}
-	if (spaces) 
-	{
+
+	if (spaces) {
 		text = ' ' + text + ' ';
 	}
 
 	// Since IE9, IE also has textarea.selectionStart, but it still needs to be treated the old way.
 	// Therefore we simply add a !is_ie here until IE fixes the text-selection completely.
-	if (!isNaN(textarea.selectionStart) && !is_ie)
-	{
+	if (!isNaN(textarea.selectionStart) && !is_ie) {
 		var sel_start = textarea.selectionStart;
 		var sel_end = textarea.selectionEnd;
 
 		mozWrap(textarea, text, '');
 		textarea.selectionStart = sel_start + text.length;
 		textarea.selectionEnd = sel_end + text.length;
-	}
-	else if (textarea.createTextRange && textarea.caretPos)
-	{
-		if (baseHeight != textarea.caretPos.boundingHeight) 
-		{
+	} else if (textarea.createTextRange && textarea.caretPos) {
+		if (baseHeight !== textarea.caretPos.boundingHeight) {
 			textarea.focus();
 			storeCaret(textarea);
 		}
 
 		var caret_pos = textarea.caretPos;
-		caret_pos.text = caret_pos.text.charAt(caret_pos.text.length - 1) == ' ' ? caret_pos.text + text + ' ' : caret_pos.text + text;
-	}
-	else
-	{
+		caret_pos.text = caret_pos.text.charAt(caret_pos.text.length - 1) === ' ' ? caret_pos.text + text + ' ' : caret_pos.text + text;
+	} else {
 		textarea.value = textarea.value + text;
 	}
-	if (!popup) 
-	{
+
+	if (!popup) {
 		textarea.focus();
 	}
 }
@@ -187,8 +160,7 @@ function insert_text(text, spaces, popup)
 /**
 * Add inline attachment at position
 */
-function attach_inline(index, filename)
-{
+function attach_inline(index, filename) {
 	insert_text('[attachment=' + index + ']' + filename + '[/attachment]');
 	document.forms[form_name].elements[text_name].focus();
 }
@@ -196,79 +168,57 @@ function attach_inline(index, filename)
 /**
 * Add quote text to message
 */
-function addquote(post_id, username, l_wrote)
-{
+function addquote(post_id, username, l_wrote) {
 	var message_name = 'message_' + post_id;
 	var theSelection = '';
 	var divarea = false;
+	var i;
 
-	if (l_wrote === undefined)
-	{
+	if (l_wrote === undefined) {
 		// Backwards compatibility
 		l_wrote = 'wrote';
 	}
 
-	if (document.all)
-	{
+	if (document.all) {
 		divarea = document.all[message_name];
-	}
-	else
-	{
+	} else {
 		divarea = document.getElementById(message_name);
 	}
 
 	// Get text selection - not only the post content :(
 	// IE9 must use the document.selection method but has the *.getSelection so we just force no IE
-	if (window.getSelection && !is_ie && !window.opera)
-	{
+	if (window.getSelection && !is_ie && !window.opera) {
 		theSelection = window.getSelection().toString();
-	}
-	else if (document.getSelection && !is_ie)
-	{
+	} else if (document.getSelection && !is_ie) {
 		theSelection = document.getSelection();
-	}
-	else if (document.selection)
-	{
+	} else if (document.selection) {
 		theSelection = document.selection.createRange().text;
 	}
 
-	if (theSelection == '' || typeof theSelection == 'undefined' || theSelection == null)
-	{
-		if (divarea.innerHTML)
-		{
+	if (theSelection === '' || typeof theSelection === 'undefined' || theSelection === null) {
+		if (divarea.innerHTML) {
 			theSelection = divarea.innerHTML.replace(/<br>/ig, '\n');
 			theSelection = theSelection.replace(/<br\/>/ig, '\n');
 			theSelection = theSelection.replace(/&lt\;/ig, '<');
 			theSelection = theSelection.replace(/&gt\;/ig, '>');
 			theSelection = theSelection.replace(/&amp\;/ig, '&');
 			theSelection = theSelection.replace(/&nbsp\;/ig, ' ');
-		}
-		else if (document.all)
-		{
+		} else if (document.all) {
 			theSelection = divarea.innerText;
-		}
-		else if (divarea.textContent)
-		{
+		} else if (divarea.textContent) {
 			theSelection = divarea.textContent;
-		}
-		else if (divarea.firstChild.nodeValue)
-		{
+		} else if (divarea.firstChild.nodeValue) {
 			theSelection = divarea.firstChild.nodeValue;
 		}
 	}
 
-	if (theSelection)
-	{
-		if (bbcodeEnabled)
-		{
+	if (theSelection) {
+		if (bbcodeEnabled) {
 			insert_text('[quote="' + username + '"]' + theSelection + '[/quote]');
-		}
-		else
-		{
+		} else {
 			insert_text(username + ' ' + l_wrote + ':' + '\n');
 			var lines = split_lines(theSelection);
-			for (i = 0; i < lines.length; i++)
-			{
+			for (i = 0; i < lines.length; i++) {
 				insert_text('> ' + lines[i] + '\n');
 			}
 		}
@@ -277,54 +227,47 @@ function addquote(post_id, username, l_wrote)
 	return;
 }
 
-function split_lines(text)
-{
+function split_lines(text) {
 	var lines = text.split('\n');
 	var splitLines = new Array();
 	var j = 0;
-	for(i = 0; i < lines.length; i++)
-	{
-		if (lines[i].length <= 80)
-		{
+	var i;
+
+	for(i = 0; i < lines.length; i++) {
+		if (lines[i].length <= 80) {
 			splitLines[j] = lines[i];
 			j++;
-		}
-		else
-		{
+		} else {
 			var line = lines[i];
-			do
-			{
-				var splitAt = line.indexOf(' ', 80);
-				
-				if (splitAt == -1)
-				{
+			var splitAt;
+			do {
+				splitAt = line.indexOf(' ', 80);
+
+				if (splitAt === -1) {
 					splitLines[j] = line;
 					j++;
-				}
-				else
-				{
+				} else {
 					splitLines[j] = line.substring(0, splitAt);
 					line = line.substring(splitAt);
 					j++;
 				}
 			}
-			while(splitAt != -1);
+			while(splitAt !== -1);
 		}
 	}
 	return splitLines;
 }
+
 /**
 * From http://www.massless.org/mozedit/
 */
-function mozWrap(txtarea, open, close)
-{
-	var selLength = (typeof(txtarea.textLength) == 'undefined') ? txtarea.value.length : txtarea.textLength;
+function mozWrap(txtarea, open, close) {
+	var selLength = (typeof(txtarea.textLength) === 'undefined') ? txtarea.value.length : txtarea.textLength;
 	var selStart = txtarea.selectionStart;
 	var selEnd = txtarea.selectionEnd;
 	var scrollTop = txtarea.scrollTop;
 
-	if (selEnd == 1 || selEnd == 2) 
-	{
+	if (selEnd === 1 || selEnd === 2) {
 		selEnd = selLength;
 	}
 
@@ -345,10 +288,8 @@ function mozWrap(txtarea, open, close)
 * Insert at Caret position. Code from
 * http://www.faqts.com/knowledge_base/view.phtml/aid/1052/fid/130
 */
-function storeCaret(textEl)
-{
-	if (textEl.createTextRange)
-	{
+function storeCaret(textEl) {
+	if (textEl.createTextRange) {
 		textEl.caretPos = document.selection.createRange().duplicate();
 	}
 }
@@ -356,8 +297,7 @@ function storeCaret(textEl)
 /**
 * Color pallette
 */
-function colorPalette(dir, width, height)
-{
+function colorPalette(dir, width, height) {
 	var r = 0, g = 0, b = 0;
 	var numberList = new Array(6);
 	var color = '';
@@ -370,89 +310,74 @@ function colorPalette(dir, width, height)
 
 	document.writeln('<table cellspacing="1" cellpadding="0" border="0">');
 
-	for (r = 0; r < 5; r++)
-	{
-		if (dir == 'h')
-		{
+	for (r = 0; r < 5; r++) {
+		if (dir === 'h') {
 			document.writeln('<tr>');
 		}
 
-		for (g = 0; g < 5; g++)
-		{
-			if (dir == 'v')
-			{
+		for (g = 0; g < 5; g++) {
+			if (dir === 'v') {
 				document.writeln('<tr>');
 			}
-			
-			for (b = 0; b < 5; b++)
-			{
+
+			for (b = 0; b < 5; b++) {
 				color = String(numberList[r]) + String(numberList[g]) + String(numberList[b]);
 				document.write('<td bgcolor="#' + color + '" style="width: ' + width + 'px; height: ' + height + 'px;">');
 				document.write('<a href="#" onclick="bbfontstyle(\'[color=#' + color + ']\', \'[/color]\'); return false;"><img src="images/spacer.gif" width="' + width + '" height="' + height + '" alt="#' + color + '" title="#' + color + '" /></a>');
 				document.writeln('</td>');
 			}
 
-			if (dir == 'v')
-			{
+			if (dir === 'v') {
 				document.writeln('</tr>');
 			}
 		}
 
-		if (dir == 'h')
-		{
+		if (dir === 'h') {
 			document.writeln('</tr>');
 		}
 	}
 	document.writeln('</table>');
 }
 
-
 /**
 * Caret Position object
 */
-function caretPosition()
-{
+function caretPosition() {
 	var start = null;
 	var end = null;
 }
 
-
 /**
 * Get the caret position in an textarea
 */
-function getCaretPosition(txtarea)
-{
+function getCaretPosition(txtarea) {
 	var caretPos = new caretPosition();
-	
+
 	// simple Gecko/Opera way
-	if(txtarea.selectionStart || txtarea.selectionStart == 0)
-	{
+	if (txtarea.selectionStart || txtarea.selectionStart === 0) {
 		caretPos.start = txtarea.selectionStart;
 		caretPos.end = txtarea.selectionEnd;
 	}
 	// dirty and slow IE way
-	else if(document.selection)
-	{
-	
+	else if (document.selection) {
 		// get current selection
 		var range = document.selection.createRange();
 
 		// a new selection of the whole textarea
 		var range_all = document.body.createTextRange();
 		range_all.moveToElementText(txtarea);
-		
+
 		// calculate selection start point by moving beginning of range_all to beginning of range
 		var sel_start;
-		for (sel_start = 0; range_all.compareEndPoints('StartToStart', range) < 0; sel_start++)
-		{		
+		for (sel_start = 0; range_all.compareEndPoints('StartToStart', range) < 0; sel_start++) {
 			range_all.moveStart('character', 1);
 		}
-	
+
 		txtarea.sel_start = sel_start;
-	
+
 		// we ignore the end value for IE, this is already dirty enough and we don't need it
 		caretPos.start = txtarea.sel_start;
-		caretPos.end = txtarea.sel_start;			
+		caretPos.end = txtarea.sel_start;
 	}
 
 	return caretPos;
diff --git a/phpBB/styles/prosilver/template/forum_fn.js b/phpBB/styles/prosilver/template/forum_fn.js
index 995b4b0ab7..19fe5ca4d2 100644
--- a/phpBB/styles/prosilver/template/forum_fn.js
+++ b/phpBB/styles/prosilver/template/forum_fn.js
@@ -5,10 +5,8 @@
 /**
 * Window popup
 */
-function popup(url, width, height, name)
-{
-	if (!name)
-	{
+function popup(url, width, height, name) {
+	if (!name) {
 		name = '_popup';
 	}
 
@@ -19,18 +17,13 @@ function popup(url, width, height, name)
 /**
 * Jump to page
 */
-function jumpto()
-{
+function jumpto() {
 	var page = prompt(jump_page, on_page);
 
-	if (page !== null && !isNaN(page) && page == Math.floor(page) && page > 0)
-	{
-		if (base_url.indexOf('?') == -1)
-		{
+	if (page !== null && !isNaN(page) && page === Math.floor(page) && page > 0) {
+		if (base_url.indexOf('?') === -1) {
 			document.location.href = base_url + '?start=' + ((page - 1) * per_page);
-		}
-		else
-		{
+		} else {
 			document.location.href = base_url.replace(/&amp;/g, '&') + '&start=' + ((page - 1) * per_page);
 		}
 	}
@@ -40,21 +33,17 @@ function jumpto()
 * Mark/unmark checklist
 * id = ID of parent container, name = name prefix, state = state [true/false]
 */
-function marklist(id, name, state)
-{
+function marklist(id, name, state) {
 	var parent = document.getElementById(id) || document[id];
 
-	if (!parent)
-	{
+	if (!parent) {
 		return;
 	}
 
 	var rb = parent.getElementsByTagName('input');
-	
-	for (var r = 0; r < rb.length; r++)
-	{	
-		if (rb[r].name.substr(0, name.length) == name)
-		{
+
+	for (var r = 0; r < rb.length; r++) {
+		if (rb[r].name.substr(0, name.length) === name) {
 			rb[r].checked = state;
 		}
 	}
@@ -64,25 +53,23 @@ function marklist(id, name, state)
 * Resize viewable area for attached image or topic review panel (possibly others to come)
 * e = element
 */
-function viewableArea(e, itself)
-{
-	if (!e) return;
-	if (!itself)
-	{
+function viewableArea(e, itself) {
+	if (!e) {
+		return;
+	}
+
+	if (!itself) {
 		e = e.parentNode;
 	}
-	
-	if (!e.vaHeight)
-	{
+
+	if (!e.vaHeight) {
 		// Store viewable area height before changing style to auto
 		e.vaHeight = e.offsetHeight;
 		e.vaMaxHeight = e.style.maxHeight;
 		e.style.height = 'auto';
 		e.style.maxHeight = 'none';
 		e.style.overflow = 'visible';
-	}
-	else
-	{
+	} else {
 		// Restore viewable area height to the default
 		e.style.height = e.vaHeight + 'px';
 		e.style.overflow = 'auto';
@@ -96,53 +83,41 @@ function viewableArea(e, itself)
 * s[-1,0,1] = hide,toggle display,show
 * type = string: inline, block, inline-block or other CSS "display" type
 */
-function dE(n, s, type)
-{
-	if (!type)
-	{
+function dE(n, s, type) {
+	if (!type) {
 		type = 'block';
 	}
 
 	var e = document.getElementById(n);
-	if (!s)
-	{
-		s = (e.style.display == '' || e.style.display == type) ? -1 : 1;
+	if (!s) {
+		s = (e.style.display === '' || e.style.display === type) ? -1 : 1;
 	}
-	e.style.display = (s == 1) ? type : 'none';
+	e.style.display = (s === 1) ? type : 'none';
 }
 
 /**
 * Alternate display of subPanels
 */
-function subPanels(p)
-{
+function subPanels(p) {
 	var i, e, t;
 
-	if (typeof(p) == 'string')
-	{
+	if (typeof(p) === 'string') {
 		show_panel = p;
 	}
 
-	for (i = 0; i < panels.length; i++)
-	{
+	for (i = 0; i < panels.length; i++) {
 		e = document.getElementById(panels[i]);
 		t = document.getElementById(panels[i] + '-tab');
 
-		if (e)
-		{
-			if (panels[i] == show_panel)
-			{
+		if (e) {
+			if (panels[i] === show_panel) {
 				e.style.display = 'block';
-				if (t)
-				{
+				if (t) {
 					t.className = 'activetab';
 				}
-			}
-			else
-			{
+			} else {
 				e.style.display = 'none';
-				if (t)
-				{
+				if (t) {
 					t.className = '';
 				}
 			}
@@ -153,14 +128,10 @@ function subPanels(p)
 /**
 * Call print preview
 */
-function printPage()
-{
-	if (is_ie)
-	{
+function printPage() {
+	if (is_ie) {
 		printPreview();
-	}
-	else
-	{
+	} else {
 		window.print();
 	}
 }
@@ -169,70 +140,60 @@ function printPage()
 * Show/hide groups of blocks
 * c = CSS style name
 * e = checkbox element
-* t = toggle dispay state (used to show 'grip-show' image in the profile block when hiding the profiles) 
+* t = toggle dispay state (used to show 'grip-show' image in the profile block when hiding the profiles)
 */
-function displayBlocks(c, e, t)
-{
-	var s = (e.checked == true) ?  1 : -1;
+function displayBlocks(c, e, t) {
+	var s = (e.checked === true) ?  1 : -1;
 
-	if (t)
-	{
+	if (t) {
 		s *= -1;
 	}
 
 	var divs = document.getElementsByTagName("DIV");
 
-	for (var d = 0; d < divs.length; d++)
-	{
-		if (divs[d].className.indexOf(c) == 0)
-		{
-			divs[d].style.display = (s == 1) ? 'none' : 'block';
+	for (var d = 0; d < divs.length; d++) {
+		if (divs[d].className.indexOf(c) === 0) {
+			divs[d].style.display = (s === 1) ? 'none' : 'block';
 		}
 	}
 }
 
-function selectCode(a)
-{
+function selectCode(a) {
 	// Get ID of code block
 	var e = a.parentNode.parentNode.getElementsByTagName('CODE')[0];
+	var s, r;
 
 	// Not IE and IE9+
-	if (window.getSelection)
-	{
-		var s = window.getSelection();
+	if (window.getSelection) {
+		s = window.getSelection();
 		// Safari
-		if (s.setBaseAndExtent)
-		{
+		if (s.setBaseAndExtent) {
 			s.setBaseAndExtent(e, 0, e, e.innerText.length - 1);
 		}
 		// Firefox and Opera
-		else
-		{
+		else {
 			// workaround for bug # 42885
-			if (window.opera && e.innerHTML.substring(e.innerHTML.length - 4) == '<BR>')
-			{
+			if (window.opera && e.innerHTML.substring(e.innerHTML.length - 4) === '<BR>') {
 				e.innerHTML = e.innerHTML + '&nbsp;';
 			}
 
-			var r = document.createRange();
+			r = document.createRange();
 			r.selectNodeContents(e);
 			s.removeAllRanges();
 			s.addRange(r);
 		}
 	}
 	// Some older browsers
-	else if (document.getSelection)
-	{
-		var s = document.getSelection();
-		var r = document.createRange();
+	else if (document.getSelection) {
+		s = document.getSelection();
+		r = document.createRange();
 		r.selectNodeContents(e);
 		s.removeAllRanges();
 		s.addRange(r);
 	}
 	// IE
-	else if (document.selection)
-	{
-		var r = document.body.createTextRange();
+	else if (document.selection) {
+		r = document.body.createTextRange();
 		r.moveToElementText(e);
 		r.select();
 	}
@@ -242,25 +203,22 @@ function selectCode(a)
 * Play quicktime file by determining it's width/height
 * from the displayed rectangle area
 */
-function play_qt_file(obj)
-{
+function play_qt_file(obj) {
 	var rectangle = obj.GetRectangle();
+	var width, height;
 
-	if (rectangle)
-	{
+	if (rectangle) {
 		rectangle = rectangle.split(',');
-		var x1 = parseInt(rectangle[0]);
-		var x2 = parseInt(rectangle[2]);
-		var y1 = parseInt(rectangle[1]);
-		var y2 = parseInt(rectangle[3]);
+		var x1 = parseInt(rectangle[0], 10);
+		var x2 = parseInt(rectangle[2], 10);
+		var y1 = parseInt(rectangle[1], 10);
+		var y2 = parseInt(rectangle[3], 10);
 
-		var width = (x1 < 0) ? (x1 * -1) + x2 : x2 - x1;
-		var height = (y1 < 0) ? (y1 * -1) + y2 : y2 - y1;
-	}
-	else
-	{
-		var width = 200;
-		var height = 0;
+		width = (x1 < 0) ? (x1 * -1) + x2 : x2 - x1;
+		height = (y1 < 0) ? (y1 * -1) + y2 : y2 - y1;
+	} else {
+		width = 200;
+		height = 0;
 	}
 
 	obj.width = width;
@@ -274,21 +232,21 @@ function play_qt_file(obj)
 * Check if the nodeName of elem is name
 * @author jQuery
 */
-function is_node_name(elem, name)
-{
-	return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
+function is_node_name(elem, name) {
+	return elem.nodeName && elem.nodeName.toUpperCase() === name.toUpperCase();
 }
 
 /**
 * Check if elem is in array, return position
 * @author jQuery
 */
-function is_in_array(elem, array)
-{
-	for (var i = 0, length = array.length; i < length; i++)
+function is_in_array(elem, array) {
+	for (var i = 0, length = array.length; i < length; i++) {
 		// === is correct (IE)
-		if (array[i] === elem)
+		if (array[i] === elem) {
 			return i;
+		}
+	}
 
 	return -1;
 }
@@ -298,23 +256,26 @@ function is_in_array(elem, array)
 * Not used, but may come in handy for those not using JQuery
 * @author jQuery.find, Meik Sievertsen
 */
-function find_in_tree(node, tag, type, class_name)
-{
+function find_in_tree(node, tag, type, class_name) {
 	var result, element, i = 0, length = node.childNodes.length;
 
-	for (element = node.childNodes[0]; i < length; element = node.childNodes[++i])
-	{
-		if (!element || element.nodeType != 1) continue;
+	for (element = node.childNodes[0]; i < length; element = node.childNodes[++i]) {
+		if (!element || element.nodeType !== 1) {
+			continue;
+		}
 
-		if ((!tag || is_node_name(element, tag)) && (!type || element.type == type) && (!class_name || is_in_array(class_name, (element.className || element).toString().split(/\s+/)) > -1))
-		{
+		if ((!tag || is_node_name(element, tag)) && (!type || element.type === type)
+				&& (!class_name || is_in_array(class_name, (element.className || element).toString().split(/\s+/)) > -1)) {
 			return element;
 		}
 
-		if (element.childNodes.length)
+		if (element.childNodes.length) {
 			result = find_in_tree(element, tag, type, class_name);
+		}
 
-		if (result) return result;
+		if (result) {
+			return result;
+		}
 	}
 }
 
@@ -324,26 +285,23 @@ var last_key_entered = '';
 /**
 * Check event key
 */
-function phpbb_check_key(event)
-{
+function phpbb_check_key(event) {
 	// Keycode is array down or up?
-	if (event.keyCode && (event.keyCode == 40 || event.keyCode == 38))
+	if (event.keyCode && (event.keyCode === 40 || event.keyCode === 38)) {
 		in_autocomplete = true;
+	}
 
 	// Make sure we are not within an "autocompletion" field
-	if (in_autocomplete)
-	{
+	if (in_autocomplete) {
 		// If return pressed and key changed we reset the autocompletion
-		if (!last_key_entered || last_key_entered == event.which)
-		{
+		if (!last_key_entered || last_key_entered === event.which) {
 			in_autocompletion = false;
 			return true;
 		}
 	}
 
 	// Keycode is not return, then return. ;)
-	if (event.which != 13)
-	{
+	if (event.which !== 13) {
 		last_key_entered = event.which;
 		return true;
 	}
@@ -354,34 +312,37 @@ function phpbb_check_key(event)
 /**
 * Usually used for onkeypress event, to submit a form on enter
 */
-function submit_default_button(event, selector, class_name)
-{
+function submit_default_button(event, selector, class_name) {
 	// Add which for key events
-	if (!event.which && ((event.charCode || event.charCode === 0) ? event.charCode : event.keyCode))
+	if (!event.which && ((event.charCode || event.charCode === 0) ? event.charCode : event.keyCode)) {
 		event.which = event.charCode || event.keyCode;
+	}
 
-	if (phpbb_check_key(event))
+	if (phpbb_check_key(event)) {
 		return true;
+	}
 
-	var current = selector['parentNode'];
+	var current = selector.parentNode;
 
 	// Search parent form element
-	while (current && (!current.nodeName || current.nodeType != 1 || !is_node_name(current, 'form')) && current != document)
-		current = current['parentNode'];
+	while (current && (!current.nodeName || current.nodeType !== 1 || !is_node_name(current, 'form')) && current !== document) {
+		current = current.parentNode;
+	}
 
 	// Find the input submit button with the class name
 	//current = find_in_tree(current, 'input', 'submit', class_name);
 	var input_tags = current.getElementsByTagName('input');
 	current = false;
 
-	for (var i = 0, element = input_tags[0]; i < input_tags.length; element = input_tags[++i])
-	{
-		if (element.type == 'submit' && is_in_array(class_name, (element.className || element).toString().split(/\s+/)) > -1)
+	for (var i = 0, element = input_tags[0]; i < input_tags.length; element = input_tags[++i]) {
+		if (element.type === 'submit' && is_in_array(class_name, (element.className || element).toString().split(/\s+/)) > -1) {
 			current = element;
+		}
 	}
 
-	if (!current)
+	if (!current) {
 		return true;
+	}
 
 	// Submit form
 	current.focus();
@@ -394,39 +355,35 @@ function submit_default_button(event, selector, class_name)
 * The jQuery snippet used is based on http://greatwebguy.com/programming/dom/default-html-button-submit-on-enter-with-jquery/
 * The non-jQuery code is a mimick of the jQuery code ;)
 */
-function apply_onkeypress_event()
-{
+function apply_onkeypress_event() {
 	// jQuery code in case jQuery is used
-	if (jquery_present)
-	{
-		jQuery('form input[type=text], form input[type=password]').live('keypress', function (e)
-		{
+	if (jquery_present) {
+		jQuery('form input[type=text], form input[type=password]').live('keypress', function (e) {
 			var default_button = jQuery(this).parents('form').find('input[type=submit].default-submit-action');
-			
-			if (!default_button || default_button.length <= 0)
-				return true;
 
-			if (phpbb_check_key(e))
+			if (!default_button || default_button.length <= 0) {
 				return true;
+			}
 
-			if ((e.which && e.which == 13) || (e.keyCode && e.keyCode == 13))
-			{
+			if (phpbb_check_key(e)) {
+				return true;
+			}
+
+			if ((e.which && e.which === 13) || (e.keyCode && e.keyCode === 13)) {
 				default_button.click();
 				return false;
 			}
 
 			return true;
 		});
-	
+
 		return;
 	}
 
 	var input_tags = document.getElementsByTagName('input');
 
-	for (var i = 0, element = input_tags[0]; i < input_tags.length ; element = input_tags[++i])
-	{
-		if (element.type == 'text' || element.type == 'password')
-		{
+	for (var i = 0, element = input_tags[0]; i < input_tags.length ; element = input_tags[++i]) {
+		if (element.type === 'text' || element.type === 'password') {
 			// onkeydown is possible too
 			element.onkeypress = function (evt) { submit_default_button((evt || window.event), this, 'default-submit-action'); };
 		}
@@ -436,4 +393,4 @@ function apply_onkeypress_event()
 /**
 * Detect JQuery existance. We currently do not deliver it, but some styles do, so why not benefit from it. ;)
 */
-var jquery_present = typeof jQuery == 'function';
+var jquery_present = typeof jQuery === 'function';
diff --git a/phpBB/styles/prosilver/template/timezone.js b/phpBB/styles/prosilver/template/timezone.js
index 5e81a0bfdf..e0d3da9ff7 100644
--- a/phpBB/styles/prosilver/template/timezone.js
+++ b/phpBB/styles/prosilver/template/timezone.js
@@ -1,5 +1,7 @@
 (function($) { // Avoid conflicts with other libraries
 
+"use strict";
+
 $('#tz_date').change(function() {
 	phpbb.timezoneSwitchDate(false);
 });
@@ -13,7 +15,7 @@ $(document).ready(
 );
 
 $(document).ready(
-	phpbb.timezonePreselectSelect($('#tz_select_date_suggest').attr('timezone-preselect') == 'true')
+	phpbb.timezonePreselectSelect($('#tz_select_date_suggest').attr('timezone-preselect') === 'true')
 );
 
 })(jQuery); // Avoid conflicts with other libraries
diff --git a/phpBB/styles/subsilver2/template/editor.js b/phpBB/styles/subsilver2/template/editor.js
index 151cf53ff1..93506b8d4a 100644
--- a/phpBB/styles/subsilver2/template/editor.js
+++ b/phpBB/styles/subsilver2/template/editor.js
@@ -11,18 +11,16 @@ var bbcodeEnabled = true;
 // Check for Browser & Platform for PC & IE specific bits
 // More details from: http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
 var clientPC = navigator.userAgent.toLowerCase(); // Get client info
-var clientVer = parseInt(navigator.appVersion); // Get browser version
-
-var is_ie = ((clientPC.indexOf('msie') != -1) && (clientPC.indexOf('opera') == -1));
-var is_win = ((clientPC.indexOf('win') != -1) || (clientPC.indexOf('16bit') != -1));
+var clientVer = parseInt(navigator.appVersion, 10); // Get browser version
 
+var is_ie = ((clientPC.indexOf('msie') !== -1) && (clientPC.indexOf('opera') === -1));
+var is_win = ((clientPC.indexOf('win') !== -1) || (clientPC.indexOf('16bit') !== -1));
 var baseHeight;
 
 /**
 * Shows the help messages in the helpline window
 */
-function helpline(help)
-{
+function helpline(help) {
 	document.forms[form_name].helpbox.value = help_line[help];
 }
 
@@ -30,27 +28,22 @@ function helpline(help)
 * Fix a bug involving the TextRange object. From
 * http://www.frostjedi.com/terra/scripts/demo/caretBug.html
 */ 
-function initInsertions() 
-{
+function initInsertions() {
 	var doc;
 
-	if (document.forms[form_name])
-	{
+	if (document.forms[form_name]) {
 		doc = document;
-	}
-	else 
-	{
+	} else {
 		doc = opener.document;
 	}
 
 	var textarea = doc.forms[form_name].elements[text_name];
-	if (is_ie && typeof(baseHeight) != 'number')
-	{	
+
+	if (is_ie && typeof(baseHeight) !== 'number') {
 		textarea.focus();
 		baseHeight = doc.selection.createRange().duplicate().boundingHeight;
 
-		if (!document.forms[form_name])
-		{
+		if (!document.forms[form_name]) {
 			document.body.focus();
 		}
 	}
@@ -59,14 +52,10 @@ function initInsertions()
 /**
 * bbstyle
 */
-function bbstyle(bbnumber)
-{	
-	if (bbnumber != -1)
-	{
+function bbstyle(bbnumber) {
+	if (bbnumber !== -1) {
 		bbfontstyle(bbtags[bbnumber], bbtags[bbnumber+1]);
-	} 
-	else 
-	{
+	} else {
 		insert_text('[*]');
 		document.forms[form_name].elements[text_name].focus();
 	}
@@ -75,36 +64,32 @@ function bbstyle(bbnumber)
 /**
 * Apply bbcodes
 */
-function bbfontstyle(bbopen, bbclose)
-{
+function bbfontstyle(bbopen, bbclose) {
 	theSelection = false;
-		
+
 	var textarea = document.forms[form_name].elements[text_name];
 
 	textarea.focus();
 
-	if ((clientVer >= 4) && is_ie && is_win)
-	{
+	if ((clientVer >= 4) && is_ie && is_win) {
 		// Get text selection
 		theSelection = document.selection.createRange().text;
 
-		if (theSelection)
-		{
+		if (theSelection) {
 			// Add tags around selection
 			document.selection.createRange().text = bbopen + theSelection + bbclose;
 			document.forms[form_name].elements[text_name].focus();
 			theSelection = '';
 			return;
 		}
-	}
-	else if (document.forms[form_name].elements[text_name].selectionEnd && (document.forms[form_name].elements[text_name].selectionEnd - document.forms[form_name].elements[text_name].selectionStart > 0))
-	{
+	} else if (document.forms[form_name].elements[text_name].selectionEnd
+			&& (document.forms[form_name].elements[text_name].selectionEnd - document.forms[form_name].elements[text_name].selectionStart > 0)) {
 		mozWrap(document.forms[form_name].elements[text_name], bbopen, bbclose);
 		document.forms[form_name].elements[text_name].focus();
 		theSelection = '';
 		return;
 	}
-	
+
 	//The new position for the cursor after adding the bbcode
 	var caret_pos = getCaretPosition(textarea).start;
 	var new_pos = caret_pos + bbopen.length;
@@ -114,14 +99,12 @@ function bbfontstyle(bbopen, bbclose)
 
 	// Center the cursor when we don't have a selection
 	// Gecko and proper browsers
-	if (!isNaN(textarea.selectionStart))
-	{
+	if (!isNaN(textarea.selectionStart)) {
 		textarea.selectionStart = new_pos;
 		textarea.selectionEnd = new_pos;
-	}	
+	}
 	// IE
-	else if (document.selection)
-	{
+	else if (document.selection) {
 		var range = textarea.createTextRange(); 
 		range.move("character", new_pos); 
 		range.select();
@@ -135,62 +118,49 @@ function bbfontstyle(bbopen, bbclose)
 /**
 * Insert text at position
 */
-function insert_text(text, spaces, popup)
-{
+function insert_text(text, spaces, popup) {
 	var textarea;
-	
-	if (!popup) 
-	{
+
+	if (!popup) {
 		textarea = document.forms[form_name].elements[text_name];
-	} 
-	else 
-	{
+	} else {
 		textarea = opener.document.forms[form_name].elements[text_name];
 	}
-	if (spaces) 
-	{
+
+	if (spaces) {
 		text = ' ' + text + ' ';
 	}
 
 	// Since IE9, IE also has textarea.selectionStart, but it still needs to be treated the old way.
 	// Therefore we simply add a !is_ie here until IE fixes the text-selection completely.
-	if (!isNaN(textarea.selectionStart) && !is_ie)
-	{
+	if (!isNaN(textarea.selectionStart) && !is_ie) {
 		var sel_start = textarea.selectionStart;
 		var sel_end = textarea.selectionEnd;
 
 		mozWrap(textarea, text, '');
 		textarea.selectionStart = sel_start + text.length;
 		textarea.selectionEnd = sel_end + text.length;
-	}	
-	
-	else if (textarea.createTextRange && textarea.caretPos)
-	{
-		if (baseHeight != textarea.caretPos.boundingHeight) 
-		{
+	} else if (textarea.createTextRange && textarea.caretPos) {
+		if (baseHeight !== textarea.caretPos.boundingHeight) {
 			textarea.focus();
 			storeCaret(textarea);
-		}		
+		}
+
 		var caret_pos = textarea.caretPos;
-		caret_pos.text = caret_pos.text.charAt(caret_pos.text.length - 1) == ' ' ? caret_pos.text + text + ' ' : caret_pos.text + text;
-		
-	}
-	else
-	{
+		caret_pos.text = caret_pos.text.charAt(caret_pos.text.length - 1) === ' ' ? caret_pos.text + text + ' ' : caret_pos.text + text;
+	} else {
 		textarea.value = textarea.value + text;
 	}
-	if (!popup) 
-	{
-		textarea.focus();
-	} 	
 
+	if (!popup) {
+		textarea.focus();
+	}
 }
 
 /**
 * Add inline attachment at position
 */
-function attach_inline(index, filename)
-{
+function attach_inline(index, filename) {
 	insert_text('[attachment=' + index + ']' + filename + '[/attachment]');
 	document.forms[form_name].elements[text_name].focus();
 }
@@ -198,79 +168,57 @@ function attach_inline(index, filename)
 /**
 * Add quote text to message
 */
-function addquote(post_id, username, l_wrote)
-{
+function addquote(post_id, username, l_wrote) {
 	var message_name = 'message_' + post_id;
 	var theSelection = '';
 	var divarea = false;
+	var i;
 
-	if (l_wrote === undefined)
-	{
+	if (l_wrote === undefined) {
 		// Backwards compatibility
 		l_wrote = 'wrote';
 	}
 
-	if (document.all)
-	{
+	if (document.all) {
 		divarea = document.all[message_name];
-	}
-	else
-	{
+	} else {
 		divarea = document.getElementById(message_name);
 	}
 
 	// Get text selection - not only the post content :(
 	// IE9 must use the document.selection method but has the *.getSelection so we just force no IE
-	if (window.getSelection && !is_ie && !window.opera)
-	{
+	if (window.getSelection && !is_ie && !window.opera) {
 		theSelection = window.getSelection().toString();
-	}
-	else if (document.getSelection && !is_ie)
-	{
+	} else if (document.getSelection && !is_ie) {
 		theSelection = document.getSelection();
-	}
-	else if (document.selection)
-	{
+	} else if (document.selection) {
 		theSelection = document.selection.createRange().text;
 	}
 
-	if (theSelection == '' || typeof theSelection == 'undefined' || theSelection == null)
-	{
-		if (divarea.innerHTML)
-		{
+	if (theSelection === '' || typeof theSelection === 'undefined' || theSelection === null) {
+		if (divarea.innerHTML) {
 			theSelection = divarea.innerHTML.replace(/<br>/ig, '\n');
 			theSelection = theSelection.replace(/<br\/>/ig, '\n');
 			theSelection = theSelection.replace(/&lt\;/ig, '<');
 			theSelection = theSelection.replace(/&gt\;/ig, '>');
 			theSelection = theSelection.replace(/&amp\;/ig, '&');
 			theSelection = theSelection.replace(/&nbsp\;/ig, ' ');
-		}
-		else if (document.all)
-		{
+		} else if (document.all) {
 			theSelection = divarea.innerText;
-		}
-		else if (divarea.textContent)
-		{
+		} else if (divarea.textContent) {
 			theSelection = divarea.textContent;
-		}
-		else if (divarea.firstChild.nodeValue)
-		{
+		} else if (divarea.firstChild.nodeValue) {
 			theSelection = divarea.firstChild.nodeValue;
 		}
 	}
 
-	if (theSelection)
-	{
-		if (bbcodeEnabled)
-		{
+	if (theSelection) {
+		if (bbcodeEnabled) {
 			insert_text('[quote="' + username + '"]' + theSelection + '[/quote]');
-		}
-		else
-		{
+		} else {
 			insert_text(username + ' ' + l_wrote + ':' + '\n');
 			var lines = split_lines(theSelection);
-			for (i = 0; i < lines.length; i++)
-			{
+			for (i = 0; i < lines.length; i++) {
 				insert_text('> ' + lines[i] + '\n');
 			}
 		}
@@ -279,39 +227,32 @@ function addquote(post_id, username, l_wrote)
 	return;
 }
 
-
-function split_lines(text)
-{
+function split_lines(text) {
 	var lines = text.split('\n');
 	var splitLines = new Array();
 	var j = 0;
-	for(i = 0; i < lines.length; i++)
-	{
-		if (lines[i].length <= 80)
-		{
+	var i;
+
+	for(i = 0; i < lines.length; i++) {
+		if (lines[i].length <= 80) {
 			splitLines[j] = lines[i];
 			j++;
-		}
-		else
-		{
+		} else {
 			var line = lines[i];
-			do
-			{
-				var splitAt = line.indexOf(' ', 80);
-				
-				if (splitAt == -1)
-				{
+			var splitAt;
+			do {
+				splitAt = line.indexOf(' ', 80);
+
+				if (splitAt === -1) {
 					splitLines[j] = line;
 					j++;
-				}
-				else
-				{
+				} else {
 					splitLines[j] = line.substring(0, splitAt);
 					line = line.substring(splitAt);
 					j++;
 				}
 			}
-			while(splitAt != -1);
+			while(splitAt !== -1);
 		}
 	}
 	return splitLines;
@@ -320,15 +261,13 @@ function split_lines(text)
 /**
 * From http://www.massless.org/mozedit/
 */
-function mozWrap(txtarea, open, close)
-{
-	var selLength = (typeof(txtarea.textLength) == 'undefined') ? txtarea.value.length : txtarea.textLength;
+function mozWrap(txtarea, open, close) {
+	var selLength = (typeof(txtarea.textLength) === 'undefined') ? txtarea.value.length : txtarea.textLength;
 	var selStart = txtarea.selectionStart;
 	var selEnd = txtarea.selectionEnd;
 	var scrollTop = txtarea.scrollTop;
 
-	if (selEnd == 1 || selEnd == 2) 
-	{
+	if (selEnd === 1 || selEnd === 2) {
 		selEnd = selLength;
 	}
 
@@ -349,10 +288,8 @@ function mozWrap(txtarea, open, close)
 * Insert at Caret position. Code from
 * http://www.faqts.com/knowledge_base/view.phtml/aid/1052/fid/130
 */
-function storeCaret(textEl)
-{
-	if (textEl.createTextRange)
-	{
+function storeCaret(textEl) {
+	if (textEl.createTextRange) {
 		textEl.caretPos = document.selection.createRange().duplicate();
 	}
 }
@@ -360,8 +297,7 @@ function storeCaret(textEl)
 /**
 * Color pallette
 */
-function colorPalette(dir, width, height)
-{
+function colorPalette(dir, width, height) {
 	var r = 0, g = 0, b = 0;
 	var numberList = new Array(6);
 	var color = '';
@@ -374,85 +310,71 @@ function colorPalette(dir, width, height)
 
 	document.writeln('<table cellspacing="1" cellpadding="0" border="0">');
 
-	for (r = 0; r < 5; r++)
-	{
-		if (dir == 'h')
-		{
+	for (r = 0; r < 5; r++) {
+		if (dir === 'h') {
 			document.writeln('<tr>');
 		}
 
-		for (g = 0; g < 5; g++)
-		{
-			if (dir == 'v')
-			{
+		for (g = 0; g < 5; g++) {
+			if (dir === 'v') {
 				document.writeln('<tr>');
 			}
-			
-			for (b = 0; b < 5; b++)
-			{
+
+			for (b = 0; b < 5; b++) {
 				color = String(numberList[r]) + String(numberList[g]) + String(numberList[b]);
 				document.write('<td bgcolor="#' + color + '" style="width: ' + width + 'px; height: ' + height + 'px;">');
 				document.write('<a href="#" onclick="bbfontstyle(\'[color=#' + color + ']\', \'[/color]\'); return false;"><img src="images/spacer.gif" width="' + width + '" height="' + height + '" alt="#' + color + '" title="#' + color + '" /></a>');
 				document.writeln('</td>');
 			}
 
-			if (dir == 'v')
-			{
+			if (dir === 'v') {
 				document.writeln('</tr>');
 			}
 		}
 
-		if (dir == 'h')
-		{
+		if (dir === 'h') {
 			document.writeln('</tr>');
 		}
 	}
 	document.writeln('</table>');
 }
 
-
 /**
 * Caret Position object
 */
-function caretPosition()
-{
+function caretPosition() {
 	var start = null;
 	var end = null;
 }
 
-
 /**
 * Get the caret position in an textarea
 */
-function getCaretPosition(txtarea)
-{
+function getCaretPosition(txtarea) {
 	var caretPos = new caretPosition();
-	
+
 	// simple Gecko/Opera way
-	if(txtarea.selectionStart || txtarea.selectionStart == 0)
-	{
+	if (txtarea.selectionStart || txtarea.selectionStart === 0) {
 		caretPos.start = txtarea.selectionStart;
 		caretPos.end = txtarea.selectionEnd;
 	}
 	// dirty and slow IE way
-	else if(document.selection)
-	{
+	else if (document.selection) {
 		// get current selection
 		var range = document.selection.createRange();
 
 		// a new selection of the whole textarea
 		var range_all = document.body.createTextRange();
 		range_all.moveToElementText(txtarea);
-		
+
 		// calculate selection start point by moving beginning of range_all to beginning of range
 		var sel_start;
-		for (sel_start = 0; range_all.compareEndPoints('StartToStart', range) < 0; sel_start++)
-		{		
+		for (sel_start = 0; range_all.compareEndPoints('StartToStart', range) < 0; sel_start++) {
 			range_all.moveStart('character', 1);
 		}
-	
+
 		txtarea.sel_start = sel_start;
-	
+
 		// we ignore the end value for IE, this is already dirty enough and we don't need it
 		caretPos.start = txtarea.sel_start;
 		caretPos.end = txtarea.sel_start;
diff --git a/phpBB/styles/subsilver2/template/timezone.js b/phpBB/styles/subsilver2/template/timezone.js
index 5e81a0bfdf..c5829c0bb1 100644
--- a/phpBB/styles/subsilver2/template/timezone.js
+++ b/phpBB/styles/subsilver2/template/timezone.js
@@ -1,5 +1,7 @@
 (function($) { // Avoid conflicts with other libraries
 
+"use strict";
+
 $('#tz_date').change(function() {
 	phpbb.timezoneSwitchDate(false);
 });