function ValidateEMail(str)
{
	var at = "@"
	var dot = "."
	var lat = str.indexOf(at)
	var lstr = str.length
	var ldot = str.indexOf(dot, lstr-4)
	var invalid=-1

	if ((lat == invalid) ||
		( lat == invalid ||  lat == 0 ||  lat == lstr) ||
		(ldot == invalid || ldot == 0 || ldot == lstr) ||
		(str.indexOf(at,(lat+1))!=invalid) ||
		(str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot) ||
		(str.indexOf(dot,(lat+2))==invalid) ||
		(str.indexOf(" ")!=-1) ||
		(lstr < ldot+3 || lstr > ldot+4)
	){
	   alert("Invalid E-mail")
	   return false
	}

	return true;
}

function ValidateNewsletterSubscribeForm(emailFieldID)
{
	var emailID = document.getElementById(emailFieldID);
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email")
		emailID.focus()
		return false
	}
	if (ValidateEMail(emailID.value)==false){
		//emailID.value=""
		emailID.focus()
		return false
	}
	return true
}