diff --git a/phpBB/adm/style/install_header.html b/phpBB/adm/style/install_header.html
index 99b98ef068..4980fd36fb 100644
--- a/phpBB/adm/style/install_header.html
+++ b/phpBB/adm/style/install_header.html
@@ -13,21 +13,23 @@
 
 /**
 * Set display of page element
-* s[-1,0,1] = hide,toggle display,show
+*
+* @param string	id	The ID of the element to change
+* @param int	action	Set to 0 if element display should be toggled, -1 for
+*			hiding the element, and 1 for showing it.
+* @param string	type	Display type that should be used, e.g. inline, block or
+*			other CSS "display" types
 */
-function dE(n, s, type)
-{
-	if (!type)
-	{
+function dE(id, action, type) {
+	if (!type) {
 		type = 'block';
 	}
 
-	var e = document.getElementById(n);
-	if (!s)
-	{
-		s = (e.style.display == '' || e.style.display == 'block') ? -1 : 1;
+	var display = jQuery('#' + id).css('display');
+	if (!action) {
+		action = (display === '' || display === type) ? -1 : 1;
 	}
-	e.style.display = (s == 1) ? type : 'none';
+	jQuery('#' + id).css('display', ((action === 1) ? type : 'none'));
 }
 
 // ]]>
diff --git a/phpBB/adm/style/overall_header.html b/phpBB/adm/style/overall_header.html
index 7e7f0cecee..668c0f4e92 100644
--- a/phpBB/adm/style/overall_header.html
+++ b/phpBB/adm/style/overall_header.html
@@ -37,21 +37,23 @@ function jumpto()
 
 /**
 * Set display of page element
-* s[-1,0,1] = hide,toggle display,show
+*
+* @param string	id	The ID of the element to change
+* @param int	action	Set to 0 if element display should be toggled, -1 for
+*			hiding the element, and 1 for showing it.
+* @param string	type	Display type that should be used, e.g. inline, block or
+*			other CSS "display" types
 */
-function dE(n, s, type)
-{
-	if (!type)
-	{
+function dE(id, action, type) {
+	if (!type) {
 		type = 'block';
 	}
 
-	var e = document.getElementById(n);
-	if (!s)
-	{
-		s = (e.style.display == '') ? -1 : 1;
+	var display = jQuery('#' + id).css('display');
+	if (!action) {
+		action = (display === '' || display === type) ? -1 : 1;
 	}
-	e.style.display = (s == 1) ? type : 'none';
+	jQuery('#' + id).css('display', ((action === 1) ? type : 'none'));
 }
 
 /**
diff --git a/phpBB/adm/style/simple_header.html b/phpBB/adm/style/simple_header.html
index 770b7da8a6..01757f1032 100644
--- a/phpBB/adm/style/simple_header.html
+++ b/phpBB/adm/style/simple_header.html
@@ -50,21 +50,23 @@ function jumpto()
 
 /**
 * Set display of page element
-* s[-1,0,1] = hide,toggle display,show
+*
+* @param string	id	The ID of the element to change
+* @param int	action	Set to 0 if element display should be toggled, -1 for
+*			hiding the element, and 1 for showing it.
+* @param string	type	Display type that should be used, e.g. inline, block or
+*			other CSS "display" types
 */
-function dE(n, s, type)
-{
-	if (!type)
-	{
+function dE(id, action, type) {
+	if (!type) {
 		type = 'block';
 	}
 
-	var e = document.getElementById(n);
-	if (!s)
-	{
-		s = (e.style.display == '') ? -1 : 1;
+	var display = jQuery('#' + id).css('display');
+	if (!action) {
+		action = (display === '' || display === type) ? -1 : 1;
 	}
-	e.style.display = (s == 1) ? type : 'none';
+	jQuery('#' + id).css('display', ((action === 1) ? type : 'none'));
 }
 
 /**
diff --git a/phpBB/styles/subsilver2/template/ucp_prefs_personal.html b/phpBB/styles/subsilver2/template/ucp_prefs_personal.html
index cd5fc9a13f..3499f5ef9a 100644
--- a/phpBB/styles/subsilver2/template/ucp_prefs_personal.html
+++ b/phpBB/styles/subsilver2/template/ucp_prefs_personal.html
@@ -4,16 +4,23 @@
 // <![CDATA[
 	/**
 	* Set display of page element
-	* s[-1,0,1] = hide,toggle display,show
+	*
+	* @param string	id	The ID of the element to change
+	* @param int	action	Set to 0 if element display should be toggled, -1 for
+	*			hiding the element, and 1 for showing it.
+	* @param string	type	Display type that should be used, e.g. inline, block or
+	*			other CSS "display" types
 	*/
-	function dE(n,s)
-	{
-		var e = document.getElementById(n);
-		if (!s)
-		{
-			s = (e.style.display == '') ? -1 : 1;
+	function dE(id, action, type) {
+		if (!type) {
+			type = 'block';
 		}
-		e.style.display = (s == 1) ? 'block' : 'none';
+
+		var display = jQuery('#' + id).css('display');
+		if (!action) {
+			action = (display === '' || display === type) ? -1 : 1;
+		}
+		jQuery('#' + id).css('display', ((action === 1) ? type : 'none'));
 	}
 
 	var default_dateformat = '{A_DEFAULT_DATEFORMAT}';