var prev= null;


function BuildList(){
	var hs=document.getElementById("nav").getElementsByTagName("h3");
	for(var i=0;i<hs.length;i++){	
	
		if (hs[i].className == "title pinned" ||hs[i].className == "titleBig pinned" ){
			hs[i].parentNode.className ="show pinned";
			
		}
		
		
		hs[i].onclick=function(){
			if (this.className == "title pinned" || this.className == "titleBig pinned"){
				return;
			}else if(this.parentNode.className != "show"){
				this.parentNode.className="show";
				if(prev && prev!=this.parentNode) {
					prev.className="hide";
				}
				prev=this.parentNode;
			}else {
				this.parentNode.className="hide";
			}
        }
    }
}