var flag = new Array();
var isSelectNodeListLength=0;
var tempOverNode;
var isSelectNode;
var isSelectRoot;
function showDiv(name) {
 var obj = document.getElementById(name);
if(obj!=null){
if(typeof(flag[name])=="undefined"){

	flag[name] = new Array();
}
if(obj.style.display!="none"){
 obj.style.display = "none";
 flag[name][0] = true;
 } else{
 obj.style.display = "block";
 	flag[name][0] =false ;
 }
}
  if(typeof(flag[name])!="undefined"&&!flag[name][0]){
 	isSelectRoot = name;
 	document.getElementById(name+"_1").style.display="none";
	document.getElementById(name+"_2").style.display="block";
	flag[name][0]=true;
 }else{
 if(typeof(flag[name])!="undefined"){
 	document.getElementById(name+"_2").style.display="none";
 	document.getElementById(name+"_1").style.display="block";
	flag[name][0]=false;
	
	}
 }
}
function showLeftDiv(name,flag) {
 var obj = document.getElementById(name);
if(obj!=null){
if(obj.style.display!="none"){
 obj.style.display = "none";
 }
 else{
 obj.style.display = "block";}
}

}
function clearbackground(position,length){
	var s="";
	for(var i=1;i<=length;i++){
		s ="c"+position+"_"+i;
		document.getElementById(s).style.color="";
	}
}

function overbackground(id,position,length){

	var obj = document.getElementById(tempOverNode);
	if(obj!=null){obj.style.color="";}
	s = "c"+position+"_"+isSelectNode;
	 obj = document.getElementById(s);
	if(obj!=null){obj.style.color="";}
	tempOverNode = id;
	 obj = document.getElementById(id);
	 if(obj!=null){obj.style.color="red";}
}
function setbackground(id){
	var obj = document.getElementById(tempOverNode);
	if(obj!=null){obj.style.color="";}
	 obj = document.getElementById(id);
	 if(obj!=null){obj.style.color="red";}
}
function outbackground(id,position,length){
	
	var obj = document.getElementById(id);
	if(obj!=null){obj.style.color="";}
	s = "c"+position+"_"+isSelectNode;
	 obj = document.getElementById(s);
	 if(obj!=null){obj.style.color="red";}
}
function overload(id){
	if(id!=isSelectRoot){
	document.getElementById(id+"_1").style.display = "none";
	document.getElementById(id+"_2").style.display = "block";
	}
}
function outload(id){
	if(id!=isSelectRoot){
	document.getElementById(id+"_2").style.display = "none";
	document.getElementById(id+"_1").style.display = "block";
	}
}