function Form_Newsletter_Validator(theForm)
{
var regExp = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
if (theForm.txtemailNewsletter.value == "")
{
	        alert ("Enter Email Address")
			theForm.txtemailNewsletter.focus();
	        return false;
}
       else if(!regExp.test(theForm.txtemailNewsletter.value))
{
           alert("Enter Valid Email Address");
		   theForm.txtemailNewsletter.focus();
           return false;
}
}