function validate(email) {
  var address = email;
   if(reg.test(address) == false) {
      alert('Please enter a valid email address');
      return false;
   }
}


function checkValid1()
{
  var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
  
//alert('Please Write Email ');

if (document.subscription.emailid.value =="")
{ 
alert('Please enter a valid email address ');
document.subscription.emailid.focus(); 
return false;
}
var address =document.subscription.emailid.value;
if(reg.test(address) == false) {
      alert('Invalid Email Address');
      return false;
   }

   AddSubscription(document.subscription.emailid.value)  
    return false;
}


var xmlHttp
var index = 1
function AddSubscription(email)
{ 
//index = ind;
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
} 
//alert("debug");
var url="subscription.asp"
url=url+"?email="+email
url=url+"&sid="+Math.random()
//alert("url="+url);

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

}
 
function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
//document.getElementById("txtHint"+index).innerHTML=xmlHttp.responseText 
alert(xmlHttp.responseText)
document.subscription.emailid.value ="";

//document.subscription.Submit.disabled=true; 
} 
} 
 
function GetXmlHttpObject()
{ 
var objXMLHttp=null
if (window.XMLHttpRequest)
{
objXMLHttp=new XMLHttpRequest()
}
else if (window.ActiveXObject)
{
objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
}
return objXMLHttp
}