function findObj(n, d) { //v4.01
	var p, i, x;
	if (!d)
		d = document;
	if ( (p=n.indexOf("?"))>0 && parent.frames.length) {
		d = parent.frames[n.substring(p+1)].document;
		n = n.substring(0,p);
	}
	if (!(x=d[n])&&d.all)
		x = d.all[n];
	for (i=0; !x&&i<d.forms.length; i++)
		x = d.forms[i][n];
	for (i=0; !x&&d.layers&&i<d.layers.length; i++)
		x = findObj(n,d.layers[i].document);
	if (!x && d.getElementById)
		x = d.getElementById(n);
	return x;
}

function swapImage() { //v3.0
	var i, j=0, x, a=swapImage.arguments;
	document.sr = new Array;
	for (i=0; i<(a.length-2); i+=3)
		if ((x=findObj(a[i])) != null) {
			document.sr[j++] = x;
			if (!x.oSrc)
				x.oSrc = x.src;
			x.src = a[i+2];
		}
}

function swapImgRestore() { //v3.0
	var i, x, a=document.sr;
	for (i=0; a && i<a.length && (x=a[i]) && x.oSrc; i++)
		x.src = x.oSrc;
}

function preloadImages() { //v3.0
	var d = document;
	if (d.images) {
		if (!d.p)
			d.p = new Array();
		var i, j=d.p.length, a=preloadImages.arguments;
		for (i=0; i<a.length; i++)
			if (a[i].indexOf("#") != 0) {
				d.p[j] = new Image;
				d.p[j++].src = a[i];
			}
	}
}