function addToFavorite(favTitle){
  if ((navigator.appVersion.indexOf("MSIE") > 0) && (parseInt(navigator.appVersion) >= 4)) {
    window.external.AddFavorite(location.href, unescape(favTitle));
  }
  else window.alert('This function is supported only by IE 4.x browsers.\n If you are using a different browser,\n please press Ctrl+D (Netscape) or add this bookmark manually.');
}

function newImage(arg) {
	if (document.images) {rslt = new Image();rslt.src = arg;return rslt;}
	}
function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
			}
		}
	}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		image_1 = newImage("_images/arrow.gif");
		image_2 = newImage("_images/spacer.gif");
		preloadFlag = true;
		}
	}