<!--
function validateEmail(s)
{
   var objRegExp  = /(^[a-z]([a-z_\.]*)@([a-z_\.]*)([.][a-z]{3})$)|(^[a-z]([a-z_\.]*)@([a-z_\.]*)(\.[a-z]{2,3})(\.[a-z]{2,3})*$)/i;
 
  //check for valid email
  return objRegExp.test(s);
}

function checkEmail(idForm)
{
	var bRet = validateEmail(document.forms[idForm].user_email.value);

	if(!bRet)
	{
		alert("Please enter a valid email address.");
		document.forms[idForm].user_email.focus();
	}

	if(window.event)
		window.event.returnValue = bRet;

	return bRet;
}
	
//-->