function validateSubscription(frm)
{
	if(frm.email.value=="" || frm.email.value=="your email address"){
		alert("Please enter your Email ID");
		frm.email.focus();
		return false;
	}
	
	if(!isEmail(frm.email.value)){
		alert("Please enter a valid Email ID")
		frm.email.focus();
		return false;
	}

	if(!isBlockedDomain(frm.email.value)){
		alert("Please provide your official Email ID")
		frm.email.focus();
		return false;
	}
	
	
	window.open('http://feedburner.google.com/fb/a/mailverify?uri=ThinksoftGlobal', 'popupwindow', 'scrollbars=yes,width=550,height=520');
	return true;
}