var is_dom1 = (document.getElementById); //dom1
var is_ie4 = (document.all && !document.getElementById); //ie4
var is_ie5 = (document.all && is_dom1); //ie5+
var is_ns4 = (document.layers); //ns4
var is_ns6 = (is_dom1 && !document.all); //ns6
//var is_noDhtml = (!is_dom1 && !is_docAll && !is_docLyr); //no dhtml

var imageCounter=0

function preLoadImages() { //preloads images for rollovers
 document.preLoad = new Array();
  for (var i = 0; i < preLoadImages.arguments.length; i++) {
   document.preLoad[imageCounter] = new Image();
   document.preLoad[imageCounter].src = preLoadImages.arguments[i];
   imageCounter++;
   }
}

function swapImage(imgName,imgSrc) { //swaps images for rollovers
 document[imgName].src=imgSrc;
}

function openWindow(theURL,winName,features) { //opens new windows
  window.open(theURL,winName,features);
}

function quickMenu(theUrl) { //dropdown quick jump menu
 self.location=theUrl;
}

function nullifyClick() {
}