var Contents;
  var Content;
  var strnowid;
  var strnowid2;
  var strtemp;
  var n;
  var bc,mc;
  Listli();
  bc = Contents.split("_");
  //alert(typeof(bc)); 
		for (var i = 0; i < bc.length; ++i)
		{
			mc = bc[i].split("-");
			for (var j = 0; j< mc[0] ; ++j)
			{
				for (var k = 0; k< mc[j+1] ; ++k )
				{
					n  = i+1;
					strnowid = document.getElementById(n + "_" + j + "_" + k);
					//alert(n + "_" + j + "_" + k);
					//strnowid.innerHTML = "<a></a>";
					if (strnowid.innerHTML.indexOf("</a>")<=0)
					{
						strnowid.onclick=function(){ 
							strtemp = this.getAttribute("id").split("_");
							//alert(this.getAttribute("name"));
							do_leftclass(strtemp[0],strtemp[1],strtemp[2]);
						}
						strnowid.onmouseover=function(){ 
							this.style.color ="#000";
						}
						strnowid.onmouseout=function(){ 
							this.style.color ="#fff";
						}
					}		
					if (j==0)
					{
						strnowid.className="bclass bclass_" + n;
						strnowid.innerHTML = "+ " + strnowid.innerHTML;
					}else{
						strnowid.className="sclass sclass_" + n;
						//strnowid.innerHTML = " " + strnowid.innerHTML;
					}
					if ( j>0 || k>0)
					{
						strnowid.style.display = "none";
					}
				}
			}
		 }
function Listli(){
	list = document.getElementById("leftmenu");
	var items = list.getElementsByTagName("li");
	var itemIDs;
	var c1 = 0;
	var c2 = 0;
	var c3 = 0;
	var str = "";
	var strtemp = "";

	for (var i = 0; i < items.length; i++) {
		itemIDs = items[i].getAttribute("id").split("_");
		if (itemIDs[1]==0){ 
			if (i>0){
				strtemp += "-" + c3;
				strtemp = c2 + strtemp;
				if (str == "") {
					str += strtemp;
				}else{
					str += "_" + strtemp;			
				}
			}
			strtemp= "";
			c2 = 1;
			c3 = 1;
		} else if (itemIDs[2]==0) {
			c2++;
			strtemp += "-" + c3;
			c3 = 1;
		} else {c3++;}
		//最后一次处理
		if (i==(items.length-1))
		{
			strtemp += "-" + c3;
			strtemp = c2 + strtemp;
			str += "_" + strtemp;
		}
	}
	//Contents = "[" + str + "]";
	Contents = str;
}
 function do_leftclass(c1,c2,c3){
		for (var i = 0; i < bc.length; ++i)
		{
			mc = bc[i].split("-");
			for (var j = 0; j< mc[0] ; ++j)
			{
				for (var k = 0; k< mc[j+1] ; ++k )
				{
					n  = i+1;
					strnowid = document.getElementById(n + "_" + j + "_" + k);
					if ((c1 != n) && (j>0))
					{
						strnowid.style.display = "none";
					}else if ((c1 == n) && (c2 != j) && (k>0))
					{
						strnowid.style.display = "none";
					}else{
						strnowid.style.display = "";
					}
				}
			}
		 }
 }