function DocumentOnLoad() {
   PreloadImages('/images/menu/home_over.png','/images/menu/funds_over.png','/images/menu/projects_over.png','/images/menu/links_over.png','/images/menu/people_over.png');
}
function HideRolloverImage() {
   if (document.originalImages != null)
      for(var i=0;i < (document.originalImages.length-1);i+=2)
         document.originalImages[i].src = document.originalImages[i+1];
}
function ShowRolloverImage() {
   var i,j=0,objStr,obj,imgList=new Array,oldList=document.originalImages;
   for (i=0;i < (ShowRolloverImage.arguments.length-2);i+=3) {
      objStr = ShowRolloverImage.arguments[(navigator.appName=='Netscape')?i:i+1];
      if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||
          (objStr.indexOf('document.all[')==0 && document.all==null))
         objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);
      obj = eval(objStr);
      if (obj != null) {
         imgList[j++] = obj;
         imgList[j++] = (oldList==null || oldList[j-1]!=obj)?obj.src:oldList[j];
         obj.src = ShowRolloverImage.arguments[i+2];
      }
   }
   document.originalImages = imgList;
}
function PreloadImages() {
   if (document.images){
      var imgFiles = PreloadImages.arguments;
      if (document.preloadArray==null) document.preloadArray = new Array();
      var i = document.preloadArray.length;
      with (document) for (var j=0;j < imgFiles.length;j++)
         if (imgFiles[j].charAt(0) != "#"){
            preloadArray[i] = new Image;
            preloadArray[i++].src = imgFiles[j];
         }
   }
}