// add arrows to the menu items that have children
	var leggero = function(){
		var MainNav = document.getElementById('MainNav');
		var MainNavListItems = MainNav.getElementsByTagName('li');
		for(var i=0;i<MainNavListItems.length;i++){
			if(MainNavListItems[i].getElementsByTagName('ul').length > 0){
				MainNavListItems[i].firstChild.className += ' hasChildren';
			}
		}
	}();
	leggero;
	
	
	// fix panes width
	var contentpane = document.getElementById('dnn_ContentPane');
	var sidepane = document.getElementById('dnn_SidePane');
	var sidepane1 = document.getElementById('dnn_SidePane1');
	var sidepane2 = document.getElementById('dnn_SidePane2');
	
	if(sidepane1 && sidepane1.childNodes.length == 0 || sidepane2 && sidepane2.childNodes.length == 0){
		contentpane.style.width = '540px';
	}
	
	if(sidepane1 && sidepane1.childNodes.length == 0 && sidepane2 && sidepane2.childNodes.length == 0){
		contentpane.style.width = '650px';
	}
	
	if(sidepane && sidepane.childNodes.length == 0){
		contentpane.style.width = '960px';
	}