function MM_findObj(n, d) { //v3.0
var p,i,x;if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}



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){
		   //alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   //alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    //alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    //alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
}

function checkEmail(email) {
	if(echeck(email))
	{
		return true;
	}
	else
	{
		alert("Invalid E-mail Address! Please re-enter.")
		return (false)
	}
}
function newsletterSubscription()
{
	var newsletterSubscriptionEmail = MM_findObj('newsletterSubscriptionEmail');
	
	if(newsletterSubscriptionEmail)
	{
		if(!checkEmail(newsletterSubscriptionEmail.value))
			newsletterSubscriptionEmail.focus();		
		else
		{
			new Ajax.Request('newlettersubscription.php', {
			  parameters: "email="+newsletterSubscriptionEmail.value,
			  method: 'get', 
			  onSuccess: function(t) { 
				alert(t.responseText); 
			  }
			}); 
		}
	}
		
	return false;
}