/* Main Actions // Script loaded when $(document).ready */ 
$(document).ready(function() {
 
 /* selecting relevant element-lists */
 
     /*
    topnavtrigger.css({
     'clear' : 'both', 
     'font-weight' : 'bolder'
     });
    */
	var swapper = $("#sidenav li ul");
	var trigger = swapper.prev();
	var active = $("#sidenav li.active").parent();
	var activeparents = $("#sidenav li").has("ul li.active");
	
 /* hide and show relevant element-lists */
 
	active.show();
	activeparents.show();
	
 /* appending triggers */
	
	trigger.mouseenter(function(event) {
	 var tobeclosed = $("#sidenav li ul").not($(this).next());
     tobeclosed.slideUp(600)
	 $(this).next().slideDown(600);
    });
});