function validate(){

name			= document.Customer.elements[0].value;
email			= document.Customer.elements[1].value;
phone			= document.Customer.elements[2].value;
message			= document.Customer.elements[3].value;

// Advanced name validation...
var nameFilter=/^[A-Za-z0-9\s.,']+$/;
if (!(nameFilter.test(name))) 
  { 
  alert("Please enter your name.\n\nAlpha-numeric characters only, please.");
  document.Customer.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.Customer.elements[1].focus();
  return false;
  }

// Advanced message validation...
var messageFilter=/^[A-Za-z0-9\s.,'#]+$/;
if (!(messageFilter.test(message))) 
  { 
  alert("Please enter your message.\n\nAlpha-numeric characters only, please.");
  document.Customer.elements[3].focus();
  return false;
  }





return true;
}