function validate() { 

     
  if (document.form.Email.value == "") { 
   alert("Email field is empty*"); 

   return false; 
   }
   if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w+)+$/.test(document.form.Email.value)){
   }else{
   alert("Invalid E-mail Address! Please re-enter.")
   return (false)
	}
   

  return true ;
}