// get the XmlHttp Object as pe the client browser

var xmlCityHttp
var selectedCity


function checkEmail(){

emailid = (document.forms[0].emailid.value);
xmlCityHttp=GetCityXmlHttpObject();
if (xmlCityHttp==null)
	  {
	  alert ("Your browser does not support AJAX!");
	  return;
	  }
		xmlCityHttp.open("POST","validateEmail.asp",true);
		xmlCityHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		//alert("email" + emailid)
		xmlCityHttp.send('emailid='+emailid);
		xmlCityHttp.onreadystatechange=validateEmail;
}


function validateEmail() 
{ 
	if (xmlCityHttp.readyState==4)
	{
		var responseText = xmlCityHttp.responseText;
		//alert(responseText)
		if (responseText != null || responseText !=""){
		populateMsg(responseText);
		}
	}
}


function populateMsg(msg){
//alert(msg)
if(msg=="yes"){
document.getElementById('emailMsg').innerHTML="<font color='red'>Email id already registered!</font>";
document.forms[0].submitButton.disabled=true;
}else{
document.getElementById('emailMsg').innerHTML="";
document.forms[0].submitButton.disabled=false;
}
}