// JavaScript Documentfunction 
var h3addul=document.getElementById("leftbar").childNodes;
var arrh3=new Array();
var arrul=new Array();

for(var i=0; i<h3addul.length; i++){
	if(h3addul[i].tagName=="H3"){
		arrh3.push(h3addul[i]);
	}else if(h3addul[i].tagName=="UL"){
		arrul.push(h3addul[i]);		
	}
}

for(i=0;i<arrh3.length;i++){
	arrh3[i].son=arrul[i];
	chah3(arrh3[i]);
	arrh3[i].onclick=function(){
		chah3(this);
	}
}

function chah3(h3obj){
	if(h3obj=="all"){
		sfh3 = document.getElementById("leftbar").getElementsByTagName("h3");
		for (var i=0; i<sfh3.length; i++) {
			chah3(sfh3[i]);
		}
	}else{
		if(vho(h3obj.son)){
			h3obj.className="menuopen";
		}else{
			h3obj.className="menuclose";
		}
	}
}

function vnow(str){
	
	var sfh3 = document.getElementById("leftbar").getElementsByTagName("h3");
	for (var i=0; i<sfh3.length; i++) {
		//if(sfli[i].son.innerHTML.indexOf(">"+str+"<")!=-1){
		if(str!=null && str.indexOf(sfh3[i].id)!=-1){
			sfh3[i].son.style.display="block";
			/**将一级栏目的加号变成打开状态*/
			sfh3[i].className="menuopen";
			
			var sfli = document.getElementById("leftbar").getElementsByTagName("li");
			for (var i=0; i<sfli.length; i++) {
				var isson = sfli[i].getElementsByTagName("ul");
				if(isson.length==0&&sfli[i].id==str){
				sfli[i].className="setmenu";
				}
			}
		}
	}
	

}

function vho(obj){	
	if(obj.style.display=="none"){
		obj.style.display="block";
		return true;
	}else{
		obj.style.display="none";
		return false;
	}
}