function openPopup(fileName, popupWidth, popupHeight) {
 	window.open(fileName, '' ,'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=1,resizable=1,width='+popupWidth+',height='+popupHeight);
}

function validateSubscribeNewsletter() {
var subName = document.getElementById('wmSubName').value;
var subEmail = document.getElementById('wmSubEmail').value;
var subLocation = document.getElementById('wmSubLocation').value;

	if(subName.length==0) {
		alert("Kindly fill in your name.");
		return false;
	}
	else if(subEmail.length==0) {
		alert("Kindly fill in your email address.");
		return false;
	}
	else if(subLocation==0) {
		alert("Kindly fill in your location.");
		return false;
	}
	else if (echeck(subEmail)==false) {
		return false;
	}

	return true;

}

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("Kindly enter valid email address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Kindly enter valid email address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Kindly enter valid email address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Kindly enter valid email address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Kindly enter valid email address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Kindly enter valid email address")
		    return false
		 }

		 if (str.indexOf(" ")!=-1){
		    alert("Kindly enter valid email address")
		    return false
		 }

 		 return true
 }

jQuery(document).ready(function() {
	jQuery("#wmSubscribeForm").submit( function() {
		return validateSubscribeNewsletter();
	});
});