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