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) {
		SDS_Core_05_over = newImage("images/SDS_Core_05-over.gif");
		SDS_Core_06_over = newImage("images/SDS_Core_06-over.gif");
		SDS_Core_07_over = newImage("images/SDS_Core_07-over.gif");
		SDS_Core_08_over = newImage("images/SDS_Core_08-over.gif");
		SDS_Core_10_over = newImage("images/SDS_Core_10-over.gif");
		SDS_Core_11_over = newImage("images/SDS_Core_11-over.gif");
		SDS_Core_12_over = newImage("images/SDS_Core_12-over.gif");
		SDS_Core_13_over = newImage("images/SDS_Core_13-over.gif");
		SDS_Core_14_over = newImage("images/SDS_Core_14-over.gif");
		SDS_Core_15_over = newImage("images/SDS_Core_15-over.gif");
		SDS_Core_16_over = newImage("images/SDS_Core_16-over.gif");
		SDS_Core_30_over = newImage("images/SDS_Core_30-over.gif");
		SDS_Core_31_over = newImage("images/SDS_Core_31-over.gif");
		SDS_Core_32_over = newImage("images/SDS_Core_32-over.gif");
		pm2_03_over = newImage("images/pm2_03-over.gif");
		pm2_04_over = newImage("images/pm2_04-over.gif");
		pm2_05_over = newImage("images/pm2_05-over.gif");
		pm2_06_over = newImage("images/pm2_06-over.gif");
		pm2_07_over = newImage("images/pm2_07-over.gif");
		SDS_sec_05_over = newImage("images/SDS_sec_05-over.gif");
		SDS_sec_06_over = newImage("images/SDS_sec_06-over.gif");
		SDS_sec_07_over = newImage("images/SDS_sec_07-over.gif");
		SDS_sec_08_over = newImage("images/SDS_sec_08-over.gif");
		SDS_sec_10_over = newImage("images/SDS_sec_10-over.gif");
		SDS_sec_11_over = newImage("images/SDS_sec_11-over.gif");
		SDS_sec_12_over = newImage("images/SDS_sec_12-over.gif");
		SDS_sec_13_over = newImage("images/SDS_sec_13-over.gif");
		SDS_sec_14_over = newImage("images/SDS_sec_14-over.gif");
		SDS_sec_15_over = newImage("images/SDS_sec_15-over.gif");
		SDS_sec_16_over = newImage("images/SDS_sec_16-over.gif");
		SDS_sec_26_over = newImage("images/SDS_sec_26-over.gif");
		SDS_sec_27_over = newImage("images/SDS_sec_27-over.gif");
		SDS_sec_28_over = newImage("images/SDS_sec_28-over.gif");
		SDS_prod_05_over = newImage("images/SDS_prod_05-over.gif");
		SDS_prod_06_over = newImage("images/SDS_prod_06-over.gif");
		SDS_prod_07_over = newImage("images/SDS_prod_07-over.gif");
		SDS_prod_08_over = newImage("images/SDS_prod_08-over.gif");
		SDS_prod_10_over = newImage("images/SDS_prod_10-over.gif");
		SDS_prod_11_over = newImage("images/SDS_prod_11-over.gif");
		SDS_prod_12_over = newImage("images/SDS_prod_12-over.gif");
		SDS_prod_13_over = newImage("images/SDS_prod_13-over.gif");
		SDS_prod_14_over = newImage("images/SDS_prod_14-over.gif");
		SDS_prod_15_over = newImage("images/SDS_prod_15-over.gif");
		SDS_prod_16_over = newImage("images/SDS_prod_16-over.gif");
		SDS_prod_36_over = newImage("images/SDS_prod_36-over.gif");
		SDS_prod_37_over = newImage("images/SDS_prod_37-over.gif");
		SDS_prod_38_over = newImage("images/SDS_prod_38-over.gif");
		replacement_14_over = newImage("images/replacement_14-over.gif");
		transportation_01_over = newImage("images/transportation_01-over.gif");
		local_govt_01_over = newImage("images/local_govt_01-over.gif");
		preloadFlag = true;
	}
}
<!--
var slidespeed=3000
var slideimages=new Array("images/highlight/compass.jpg","images/highlight/billboard.jpg","images/highlight/sun_power.jpg","images/highlight/foggy_road.jpg","images/highlight/loop.jpg","images/highlight/subdivision.jpg","images/highlight/sun_road.jpg","images/highlight/signs.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]
}

//-->