function TreeBranch(branch, img)
{
 var objBranch = document.getElementById(branch).style;
 if(objBranch.display=="block") objBranch.display="none";
 else objBranch.display="block";
 objImg = document.getElementById(img);
 if(objImg.src.indexOf('images/tree_close.gif')>-1) objImg.src = openImg.src;
 else objImg.src = closedImg.src;
}

var openImg = new Image();		openImg.src = "images/tree_open.gif";
var closedImg = new Image();	closedImg.src = "images/tree_close.gif";

var lastTD = "";
function onmouseOverDiv(obj,className)
{
	obj.style.display = 'block';
	lastTD.className = className;
}
function onmouseOutDiv(obj,className)
{
	obj.style.display = 'none';
	lastTD.className = className;
}
function showSubMenu(objTd , name)
{
	lastTD=objTd;  // last td on menu bar
	var objDiv = document.getElementById (name);
	objDiv.style.display = (objDiv.style.display == "none" || objDiv.style.display == "")? "block" : "none";
	objDiv.style.left = getPosX(objTd);
	objDiv.style.top = getPosY(objTd) + objTd.offsetHeight   ;
	
}
function hideMenu(name)
{
	var objDiv = document.getElementById (name);
	objDiv.style.display = "none";
}
function getPosX(obj)
{
	var curleft = 0;
	while (obj.offsetParent)
	{
	  curleft += obj.offsetLeft;
	  obj = obj.offsetParent;
	}
	return curleft;

}
function getPosY(obj)
{
	var curtop = 0;
	while (obj.offsetParent)
	{
	  curtop += obj.offsetTop;
	  obj = obj.offsetParent;
	}
	return curtop;

}
function changeColor(obj,color)
{
    var ob=document.getElementById(obj);
    if(ob != null)
    {
        ob.style.backgroundColor = color;
    }

}

function hideTitle(id)
{
  var title = document.getElementById(id);
  title.className="m1off";
}

function doM2off(obj)
{
 obj.className='m2off';
}

function doM2on(obj)
{
 obj.className='m2on';
}


function GetXmlHttpObject(handler)
{ 
var objXmlHttp=null;
 
if (navigator.userAgent.indexOf("MSIE")>=0)
{ 
var strName="Msxml2.XMLHTTP";
if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
{
strName="Microsoft.XMLHTTP";
} 
try
{ 
objXmlHttp=new ActiveXObject(strName);
objXmlHttp.onreadystatechange=handler;
return objXmlHttp;
} 
catch(e)
{ 
alert("Error. Scripting for ActiveX might be disabled");
return;
} 
} 
if (navigator.userAgent.indexOf("Mozilla")>=0)
{
objXmlHttp=new XMLHttpRequest();
objXmlHttp.onload=handler;
objXmlHttp.onerror=handler;
return objXmlHttp;
}
} 
 
 
function doVcode()
{ 
	thePage = "check_vcode.asp?vcodeID=" + document.form1.vcodeID.value + "&vcode=" + document.form1.vcode.value;
	xmlHttp=GetXmlHttpObject(stateChanged);
	xmlHttp.open("GET", thePage , true);
	xmlHttp.send(null);
} 
 
function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
   {
	document.form1.vcodeTrue.value=xmlHttp.responseText;
   }	
}