// JavaScript Document

window.onload = rolloverInit;

function rolloverInit() {
  for (var i = 0; i < document.images.length; i++) {
    if (document.images[i].parentNode.tagName == "A" && document.images[i].parentNode.id != "noRollover" && document.images[i].parentNode.id != "noRollOver" && document.images[i].parentNode.id != "twd") {
      setupRollover(document.images[i]);
    }
  }
}

function setupRollover(thisImage) {
  thisImage.outImage = new Image();
  thisImage.outImage.src = thisImage.src;
  thisImage.onmouseout = rollOut;

  thisImage.overImage = new Image();
  thisImage.overImage.src = "images/" + thisImage.id + "_on.gif";
  thisImage.onmouseover = rollOver;
}

function rollOver() {
  this.src = this.overImage.src;
}

function rollOut() {
  this.src = this.outImage.src;
}