function hilight(highlightID, newImage) {
	var obj=document.getElementById(highlightID);
	obj.src="./images/"+newImage;
}

function newImage(arg) { 
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
		
function preloadButtons(c) {
	whereAmI();
	
	for (i=1; i<(c+1); i++) {
		imgz=newImage("./images/button_"+i+"_over."+imageType);
	}
}