function Validatereferralform(theForm){

	var emailpat;
	emailpat = /^([a-zA-Z0-9])+([\.a-zA-Z0-9_-])*@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-]+)+$/;
	
	if (theForm.friendname.value == "")	{
	  alert("Please enter your friend's name.");
	  theForm.friendname.focus();
	  return (false);
	} /* friendname */
	
	if( !emailpat.test( theForm.friendemail.value ) ) {
	  alert("Please check your friend's email address.");
	  theForm.friendemail.focus();
	  return (false);
	} /* friendemail */
	
	if (theForm.sendername.value == "")	{
	  alert("Please enter your name.");
	  theForm.sendername.focus();
	  return (false);
	} /* sender name */
	

	if( !emailpat.test( theForm.senderemail.value ) ) {
	  alert("Please check your email address.");
  	  theForm.senderemail.focus();
  	  return (false);
	} /* sender Email */
	    
    return (true);
	    
}