JavaScript code for email validation

JavaScript codes  for email validation

<script type="text/javascript">
   <!--
      function validateEmail()
      {
         var emailID = document.myForm.EMail.value;
         atpos = emailID.indexOf("@");
         dotpos = emailID.lastIndexOf(".");
                  if (atpos < 1 || ( dotpos - atpos < 2 )) 
         {
            alert("Please enter correct email ID")
            document.myForm.EMail.focus() ;
            return false;
         }
         return( true );
      }
   //-->
</script>

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