function preloadImages() {
	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];
			}
	}
}

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;
}

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 && document.getElementById)
		x=document.getElementById(n);
	return x;
}

function swapImage() {
	var j=0,x,a=swapImage.arguments;
	document.sr=new Array;
	if ((x=findObj(a[0]))!=null) {
		document.sr[j++]=x;
		if(!x.oSrc)
			x.oSrc=x.src;
		x.src=a[1];
	}
}

function showHideThumbLayers() {
	var i,p,v,obj,args=showHideThumbLayers.arguments;
	var e=new Array('thumb-00','thumb-01','thumb-02','thumb-03','thumb-04','thumb-05','thumb-06','thumb-07','thumb-08','thumb-09');
	for (i=0; i<(e.length); i++)
		if ((obj=findObj(e[i]))!=null)
			obj.style.display='none';
	if ((obj=findObj(args[0]))!=null)
		obj.style.display='inline';
}

function showHideSphereLayers() {
	var i,p,v,obj,args=showHideSphereLayers.arguments;
	var e=new Array('sphere-00','sphere-01','sphere-02','sphere-03','sphere-04','sphere-05','sphere-06','sphere-07','sphere-08','sphere-09');
	for (i=0; i<(e.length); i++)
		if ((obj=findObj(e[i]))!=null)
			obj.style.display='none';
	if ((obj=findObj(args[0]))!=null)
		obj.style.display='inline';
}