function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function preloadImages () {
	var prImg;
	prImg = newImage("img/more-over.gif");
	prImg = newImage("img/ico-home-over.gif");
	prImg = newImage("img/ico-search-over.gif");
	prImg = newImage("img/ico-feedback-over.gif");
	prImg = newImage("img/ban1-over.gif");
	prImg = newImage("img/ban2-over.gif");
	prImg = newImage("img/guest-over.gif");
}


function imgOn (imageName, fileName) {
	document[imageName].src = "/img/"+fileName+"-over.gif"; 
}

function imgOff (imageName, fileName) {
	document[imageName].src = "/img/"+fileName+".gif"; 
}