// --------------------------------------------------------------------------------------- //
// Prepared by Patrick Thut 04.11.2001; last update 04.11.2001   //
// E-Mail: patrick.thut@web-stuebli.ch; URL: www.web-stuebli.ch   //
// --------------------------------------------------------------------------------------- //

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];}}
	}

function findObj(n, d) { //v3.0
	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); 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 nbGroup(event, grpName) { //v3.0
	var i,img,nbArr,args=nbGroup.arguments;
	if (event == "init" && args.length > 2) {
		if ((img = findObj(args[2])) != null && !img.init) {
			img.init = true; img.up = args[3]; img.dn = img.src;
			if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
			nbArr[nbArr.length] = img;
			for (i=4; i < args.length-1; i+=2) if ((img = findObj(args[i])) != null) {
				if (!img.up) img.up = img.src;
				img.src = img.dn = args[i+1];
				nbArr[nbArr.length] = img;
				}
			}
		}
		else if (event == "over") {
			document.nbOver = nbArr = new Array();
			for (i=1; i < args.length-1; i+=3) if ((img = findObj(args[i])) != null) {
				if (!img.up) img.up = img.src;
				img.src = (img.dn && args[i+2]) ? args[i+2] : args[i+1];
				nbArr[nbArr.length] = img;
				}
			}
		else if (event == "out" ) {
			for (i=0; i < document.nbOver.length; i++) {
				img = document.nbOver[i]; img.src = (img.dn) ? img.dn : img.up; 
				}
			}
		else if (event == "down") {
			if ((nbArr = document[grpName]) != null)
			for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.up; img.dn = 0; }
			document[grpName] = nbArr = new Array();
			for (i=2; i < args.length-1; i+=2) if ((img = findObj(args[i])) != null) {
				if (!img.up) img.up = img.src;
				img.src = img.dn = args[i+1];
				nbArr[nbArr.length] = img;
			}
		}
	}