function validate_subscribe()
{
	var message='';
	if(document.getElementById('subscribe_name').value==false)
		message += "please enter Name :<br>";
	if(document.getElementById('subscribe_email_id').value==false || echeck(document.getElementById('subscribe_email_id').value)==false)
		message += "please enter Email :<br>";
	
	if(message!='')
	{
		document.getElementById('subscription_val_messages').innerHTML="<span style='color:red'>"+message+"</span>";
		return false;
	}
	document.getElementById('subscription_val_messages').innerHTML='';
	showUser();
}

function echeck(str) 
{

	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1)
	   return false
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
	   return false
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
		return false
	if (str.indexOf(at,(lat+1))!=-1)
		return false
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
	    return false
	if (str.indexOf(dot,(lat+2))==-1)
	    return false
	if (str.indexOf(" ")!=-1)
	    return false
	 
	return true					
}
 
 //---//ajax
 var xmlhttp;

function showUser()
{
	var name=document.getElementById('subscribe_name').value;
	var email=document.getElementById('subscribe_email_id').value;
	var home_default_url = document.getElementById('home_default_url').value;
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}
	var url=home_default_url+"newsletter/subscribe";
	url=url+"?name="+name+'&email='+email;
	url=url+"&sid="+Math.random();
	xmlhttp.onreadystatechange=stateChanged;
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null);
}

function stateChanged()
{
	document.getElementById("subscription_val_messages").innerHTML="<font color='green'>Loading...</font>";
	if (xmlhttp.readyState==4)
	{
		var resp = xmlhttp.responseText.split('@@@');
		document.getElementById("subscription_val_messages").innerHTML=resp[1];
		if(resp[2] && resp[2]==5)
		{
			document.getElementById('subscribe_name').value='Name';
			document.getElementById('subscribe_email_id').value='Email';
		}
	}
}

function GetXmlHttpObject()
{
	if (window.XMLHttpRequest)
	{
		// code for IE7+, Firefox, Chrome, Opera, Safari
		return new XMLHttpRequest();
	}
	if (window.ActiveXObject)
	{
		// code for IE6, IE5
		return new ActiveXObject("Microsoft.XMLHTTP");
	}
	return null;
}