Menu links now collapse if clicked again.

js/main.js

@@ -80,19 +80,23 @@
  		}
  		}
 		$('a[rel^=#]').click(function(e){
+			e.preventDefault();
+			var $parent = $(this).parent();
+			var isSelected = (last_popup_button && $parent.attr('id') == last_popup_button.attr('id'));
 			close_last_popup_menu();
+			if(isSelected) return false;
 			menu = $( $(this).attr('rel') );
 			e.preventDefault();
 			e.stopPropagation();
 			if (menu.attr('popup')=="false") return false;
-			$(this).parent().toggleClass("selected");
+			$parent.toggleClass("selected");
 			menu.toggle();
 			if (menu.css("display") == "none") {
 				last_popup_menu = null;
 				last_popup_button = null;
 			} else {
 				last_popup_menu = menu;
-				last_popup_button = $(this).parent();
+				last_popup_button = $parent;
 			}
 			return false;
 		});