/// rollovers
userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);

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

function si() {  //swap images
	d = document;
	if (d.images) {
		var img;
		for (var i=0; i<si.arguments.length; i+=2) {
			img = null;
			if (d.layers) {img = findElement(si.arguments[i],0);}
			else {img = d.images[si.arguments[i]];}
			if (img) {img.src = si.arguments[i+1];}
		}
	}
}

function findElement(n,ly) {
	d = document;
	if (browserVers < 4) return d[n];
	if ((browserVers >= 6) && (d.getElementById)) {initImgID;
		return(d.getElementById(n))}; 
	var cd = ly ? ly.document : d;
	var elem = cd[n];
	if (!elem) {
		for (var i=0;i<cd.layers.length;i++) {
			elem = findElement(n,cd.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}