window.onload = function(){
	var sitemap = document.getElementById("sitemap")
	if(sitemap){
		
		this.listItem = function(li){
			if(li.getElementsByTagName("ul").length > 0){
				var ul = li.getElementsByTagName("ul")[0];
				ul.style.display = "none";
				var span = document.createElement("span");
				span.className = "collapsed";
				span.onclick = function(){
					ul.style.display = (ul.style.display == "none") ? "block" : "none";
					this.className = (ul.style.display == "none") ? "collapsed" : "expanded";
				};
				li.appendChild(span);
			};
		};
		
		var items = sitemap.getElementsByTagName("li");
		for(var i=0;i<items.length;i++){
			listItem(items[i]);
		};
		
	};	

  el = document.getElementsByTagName("a");
  for (var i=0; i<el.length; i++){
    if (el[i].rel=="ext") {
      el[i].onclick = function () {
        return !window.open(this.href);
      }
    }
  }
}

function open_home() 
{
window.top.location="http://www.wurth.co.uk"
}