var xmlHttp

function chkpass(str)
{
if (str.length==0)
{ 
document.getElementById("subPlaceHolder").innerHTML=""
return
}
xmlHttp=GetXmlHttpObjectadd()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
} 
var url="passcheck.php"
url=url+"?cat_name="+str
xmlHttp.onreadystatechange=stateChangedadd
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
} 

function stateChangedadd()
{  
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{
	
    if(xmlHttp.responseText=="1")
	{
		document.getElementById("img1").src = "images/green.gif";
		document.getElementById("img2").src = "images/4.gif";
		document.getElementById("img3").src = "images/4.gif";
		document.getElementById("img4").src = "images/4.gif";
		document.getElementById("msg").innerHTML = "Weak";
    }
	else if(xmlHttp.responseText=="2")
	{
		document.getElementById("img1").src = "images/green.gif";
		document.getElementById("img2").src = "images/green.gif";
		document.getElementById("img3").src = "images/4.gif";
		document.getElementById("img4").src = "images/4.gif";
		document.getElementById("msg").innerHTML = "Better";
    }
	else if(xmlHttp.responseText=="3")
	{
	    document.getElementById("img1").src = "images/green.gif";
		document.getElementById("img2").src = "images/green.gif";
		document.getElementById("img3").src = "images/green.gif";
		document.getElementById("img4").src = "images/4.gif";
		document.getElementById("msg").innerHTML = "Strong";
    }
	else if(xmlHttp.responseText=="4")
	{
	    document.getElementById("img1").src = "images/green.gif";
		document.getElementById("img2").src = "images/green.gif";
		document.getElementById("img3").src = "images/green.gif";
		document.getElementById("img4").src = "images/green.gif";
		document.getElementById("msg").innerHTML = "Very Strong";
    }
	else
	{
	    document.getElementById("img1").src = "images/4.gif";
		document.getElementById("img2").src = "images/4.gif";
		document.getElementById("img3").src = "images/4.gif";
		document.getElementById("img4").src = "images/4.gif";
		document.getElementById("msg").innerHTML = "Too Short";
	}
	} 
} 

function GetXmlHttpObjectadd()
{ 
var objXMLHttp=null
if (window.XMLHttpRequest)
{
objXMLHttp=new XMLHttpRequest()
}
else if (window.ActiveXObject)
{
objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
}
return objXMLHttp
}