var startList = function() {
	   if (document.all&&document.getElementById) {
	      var navRoot = document.getElementById("mainmenu");
	      for (i=0; navRoot&&i<navRoot.childNodes.length; i++) {
	         var node = navRoot.childNodes[i];
	         if (node.nodeName=="LI") {
	            node.onmouseover=function() {
	               this.className+=" over";
	            }
	            node.onmouseout=function() {
	               this.className=this.className.replace(" over", "");
	            }
	         }
	      }
	   }
	   if (document.all&&document.getElementById) {
	      var navRoot = document.getElementById("submenu");
	      for (i=0; navRoot&&i<navRoot.childNodes.length; i++) {
	         var node = navRoot.childNodes[i];
	         if (node.nodeName=="LI") {
	            node.onmouseover=function() {
	               this.className+=" over";
	            }
	            node.onmouseout=function() {
	               this.className=this.className.replace(" over", "");
	            }
	         }
	      }
	   }
		 if (document.all&&document.getElementById) {
	      var navRoot = document.getElementById("menu_scholen");
	      for (i=0; navRoot&&i<navRoot.childNodes.length; i++) {
	         var node = navRoot.childNodes[i];
	         if (node.nodeName=="LI") {
	            node.onmouseover=function() {
	               this.className+=" over";
	            }
	            node.onmouseout=function() {
	               this.className=this.className.replace(" over", "");
	            }
	         }
	      }
	   }
		 if (document.all&&document.getElementById) {
	      var navRoot = document.getElementById("menu_opleidingen");
	      for (i=0; navRoot&&i<navRoot.childNodes.length; i++) {
	         var node = navRoot.childNodes[i];
	         if (node.nodeName=="LI") {
	            node.onmouseover=function() {
	               this.className+=" over";
	            }
	            node.onmouseout=function() {
	               this.className=this.className.replace(" over", "");
	            }
	         }
	      }
	   }
		 if (document.all&&document.getElementById) {
	      var navRoot = document.getElementById("menu_werelden");
	      for (i=0; navRoot&&i<navRoot.childNodes.length; i++) {
	         var node = navRoot.childNodes[i];
	         if (node.nodeName=="LI") {
	            node.onmouseover=function() {
	               this.className+=" over";
	            }
	            node.onmouseout=function() {
	               this.className=this.className.replace(" over", "");
	            }
	         }
	      }
	   }
		 
	}
	window.onload=startList;