diff --git a/admin/javascript/LeftAndMain.js b/admin/javascript/LeftAndMain.js
index b8c77f4f0..8fbf1f010 100644
--- a/admin/javascript/LeftAndMain.js
+++ b/admin/javascript/LeftAndMain.js
@@ -382,18 +382,19 @@ jQuery.noConflict();
 				this._super();
 
 				var self = this, id = 'ss-ui-dialog-' + this.getUUID();
-
 				var dialog = $('#' + id);
 				if(!dialog.length) {
 					dialog = $('<div class="ss-ui-dialog" id="' + id + '" />');
 					$('body').append(dialog);
 				}
-			
-				dialog.ssdialog({iframeUrl: this.attr('href'), autoOpen: true});
+				
+				var extraClass = this.data('popupclass')?this.data('popupclass'):'';
+				
+				dialog.ssdialog({iframeUrl: this.attr('href'), autoOpen: true, dialogExtraClass: extraClass});
 				return false;
 			}
 		});
-
+		
 		/**
 		 * Add styling to all contained buttons, and create buttonsets if required.
 		 */
diff --git a/admin/javascript/ssui.core.js b/admin/javascript/ssui.core.js
index 281d439f2..b071f6e74 100644
--- a/admin/javascript/ssui.core.js
+++ b/admin/javascript/ssui.core.js
@@ -55,6 +55,7 @@
 			// Custom properties
 			iframeUrl: '',
 			reloadOnOpen: true,
+			dialogExtraClass: '',
 
 			// Defaults
 			width: '80%',
@@ -78,6 +79,8 @@
 				self._resizeIframe();
 				self.uiDialog.removeClass('loading');
 			}).hide();
+			
+			if(this.options.dialogExtraClass) this.uiDialog.addClass(this.options.dialogExtraClass);
 			this.element.append(iframe);
 
 			// Let the iframe handle its scrolling