<!-- Begin Image Mouseovers -->

userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
  if (document.images) {
    rslt = new Image();
    rslt.src = arg;
    return rslt;
  }
}

function findElement(n,ly) {
  if (browserVers < 4)		return document[n];
  var curDoc = ly ? ly.document : document;
  var elem = curDoc[n];
  if (!elem) {
    for (var i=0;i<curDoc.layers.length;i++) {
      elem = findElement(n,curDoc.layers[i]);
      if (elem) return elem;
    }
  }
  return elem;
}

function changeImages() {
  if (document.images && (preloadFlag == true)) {
    var img;
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      img = null;
      if (document.layers) {
        img = findElement(changeImages.arguments[i],0);
      }
      else {
        img = document.images[changeImages.arguments[i]];
      }
      if (img) {
        img.src = changeImages.arguments[i+1];
      }
    }
  }
}

var preloadFlag = false;
function preloadImages() {
  if (document.images) {
    signup_over = newImage("i/signupOver.jpg");
    signup_down = newImage("i/signupDown.jpg");
    preloadFlag = true;
  }
}

<!-- End Image Mouseovers -->

<!-- Begin Newsletter Signup -->

nameboxEntered = false;
emailboxEntered = false;

function validate(form)
{
if(Validate_Required(form.Email1,'Please enter your email')==false)
		return false;
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form.Email1.value)){
return (true)
}
alert("Invalid E-mail Address! Please re-enter.")
form.Email1.focus();
return (false)
}

function Validate_Required(Ctrl,msg)
{
	if(Ctrl.value == "")
	{
		alert(msg);
		Ctrl.focus();
		return false;
	}
	return true;
}

<!-- End Newsletter Signup -->