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) {
		d_lnkpr_over = newImage("img/d_lnkpr-over.gif");
		d_lnkza_over = newImage("img/d_lnkza-over.gif");
		d_lnkau_over = newImage("img/d_lnkau-over.gif");
		d_lnkvi_over = newImage("img/d_lnkvi-over.gif");
		d_lnkmo_over = newImage("img/d_lnkmo-over.gif");
		d_lnkhome_over = newImage("img/d_lnkhome-over.gif");
		preloadFlag = true;
	}
}

function txtLink(obj,stl,cur) {
	obj.className=stl; 
	obj.style.cursor=cur; 
}

function showIcon(name,pos) {
	if (document.images && (preloadFlag == true)) {
		ico.style.marginTop = pos * 31;
		ico.src = name;
	}
}

function hideIcon() {
	if (document.images && (preloadFlag == true)) {
		ico.style.paddingTop = 0;
		ico.src = "img/spacer.gif";
	}
}