if (document.images) {

	whoOn = new Image
	whoOff = new Image
	whatOn = new Image
	whatOff = new Image
	workOn = new Image
	workOff = new Image
	contactOn = new Image
	contactOff = new Image
	clientOn = new Image
	clientOff = new Image					
	
	whoOn.src = "images/nav-who-on.gif"
	whoOff.src = "images/nav-who.gif"
	whatOn.src = "images/nav-what-on.gif"
	whatOff.src = "images/nav-what.gif"
	workOn.src = "images/nav-work-on.gif"
	workOff.src = "images/nav-work.gif"
	contactOn.src = "images/nav-contact-on.gif"
	contactOff.src = "images/nav-contact.gif"
	clientOn.src = "images/nav-client-on.gif"
	clientOff.src = "images/nav-client.gif"
}
function isEmailAddr(email)
{
  var result = false
  var theStr = new String(email)
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function FormValidator(theForm)
{

  if (theForm.email.value == "")
  {
    alert("Please enter your email.");
    theForm.email.focus();
    return (false);
  }

  if (!isEmailAddr(theForm.email.value))
  {
    alert("Please enter a valid email address.");
    theForm.email.focus();
    return (false);
  }
   
  if (theForm.email.value.length < 3)
  {
    alert("Please enter at least 3 characters in the \"email\" field.");
    theForm.email.focus();
    return (false);
  }
  return (true);
}