var xmlHttp

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




function userName(val)
{ 

xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
var url="chkemail.php"
url=url+"?uname="+val
//alert(url);

xmlHttp.onreadystatechange=chkuseravailability 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}


function chkuseravailability () 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
//alert(xmlHttp.responseText)
	if(xmlHttp.responseText==1)
	{
		document.getElementById("user").innerHTML="Username already exist.";
		document.getElementById("username").focus();
	}
	if(xmlHttp.responseText==2)
	{
		document.getElementById("user").innerHTML="";
	
	}

} 
} 
//User name availability
function userEmail(val)
{ 

xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
var url="chkU_email.php"
url=url+"?email="+val
//alert(url);

xmlHttp.onreadystatechange=chkemailavailability 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

function chkemailavailability () 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
//alert(xmlHttp.responseText)


	if(xmlHttp.responseText==2)
	{
		document.getElementById("ml").innerHTML="Email already exist.";
	
		document.getElementById("email").focus();
	}
	if(xmlHttp.responseText==1)
	{ 
		document.getElementById("ml").innerHTML="";
	
	}

}
}

// contact email avaibility
function contactEmail(val)
{ 

xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
var url="chkU_email.php"
url=url+"?email="+val
//alert(url);

xmlHttp.onreadystatechange=chkContactEmailAvailability 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

function chkContactEmailAvailability () 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
//alert(xmlHttp.responseText)

	if(xmlHttp.responseText==2)
	{
		document.getElementById("div_email").innerHTML="Email already exist.";
	
		document.getElementById("ContactEmail").focus();
	}
	if(xmlHttp.responseText==1)
	{
		document.getElementById("div_email").innerHTML="";
	
	}

}
}