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