function validate3(){

name	 		= document.Customer3.elements[0].value;
email			= document.Customer3.elements[1].value;


// Advanced name validation...
var nameFilter=/^[A-Za-z0-9\s.,']+$/;
if (!(nameFilter.test(name))) 
  { 
  alert("Please enter event name.\n\nAlpha-numeric characters only, please.");
  document.Customer3.elements[0].focus();
  return false;
  }

// Advanced email validation...
var emailFilter=/^.+@.+\..{2,3}$/;
if (!(emailFilter.test(email))) 
  { 
  alert("Please enter a valid email address.\n\nExample: yourname@AOL.com");
  document.Customer3.elements[1].focus();
  return false;
  }

return true;
}