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) {
		concept_1_33_06_over = newImage("images/concept_1.33_06-over.gif");
		concept_1_33_07_over = newImage("images/concept_1.33_07-over.gif");
		concept_1_33_08_over = newImage("images/concept_1.33_08-over.gif");
		concept_1_33_09_over = newImage("images/concept_1.33_09-over.gif");
		concept_1_33_10_over = newImage("images/concept_1.33_10-over.gif");
		concept_1_33_11_over = newImage("images/concept_1.33_11-over.gif");
		concept_1_33_12_over = newImage("images/concept_1.33_12-over.gif");
		concept_1_33_13_over = newImage("images/concept_1.33_13-over.gif");
		concept_1_33_14_over = newImage("images/concept_1.33_14-over.gif");
		preloadFlag = true;
	}
}
<!--
var slidespeed=3000
var slideimages=new Array("images/highlight/1.jpg","images/highlight/2.jpg","images/highlight/3.jpg","images/highlight/4.jpg","images/highlight/5.jpg","images/highlight/6.jpg","images/highlight/7.jpg","images/highlight/8.jpg","images/highlight/9.jpg","images/highlight/10.jpg")
var slidelinks=new Array("","","","")
var newwindow=1 //open links in new window? 1=yes, 0=no
var imageholder=new Array()
var ie=document.all
for (i=0;i<slideimages.length;i++){
imageholder[i]=new Image()
imageholder[i].src=slideimages[i]
}

function gotoshow(){
if (newwindow)
window.open(slidelinks[whichlink])
else
window.location=slidelinks[whichlink]
}
//-->