function ToggleClass(obj, style)
{
	obj.className = style;
}

function NavToURL(url)
{
	document.location.href = url;
}

if (document.images) {
  image1on = new Image();
  image1on.src = "/assets/images/mainnavlfton.gif";
  
  image1off = new Image();
  image1off.src = "/assets/images/mainnavlft.gif";
}

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}