var bild = "bannerImage";
var divtag = "banner";
var ieNummer = 2;
var imgpath = "http://www.filmmuseumpotsdam.de/images";
var showImgNr = 0;


function banner(chosen)
{
	var tmp_fullname = imgpath+"/"+banners[chosen][1];
	// based on the path to the sponsors folder (previously defined) and the "banners" element refered to by the random number "chosen" a fullnxame path to a sponsor is created
	if (document.images)
	{
		if (document.layers && divtag!=null)
		{
			// for netscape browsers
			eval('document.'+divtag+'.document.images["'+bild+'"].src = '+tmp_fullname)
		}
		else
		{
			// for other browser - internet explorer
			document.images[bild].src = tmp_fullname;
		}
		// image in webpage is set to relevant sponsor
	}
	url = banners[chosen][0];
	// url is set to respective sponsor url
}



function firstBannerLoop(pick)
{
	var tmp_fname = imgpath+"/"+totArray[pick][1];
	if (document.images)
	{
		if (document.layers && divtag!=null)
		{
			// for netscape browsers
			eval('document.'+divtag+'.document.images["'+bild+'"].src = '+tmp_fname);
		}
		else
		{
			// for other browser - internet explorer
			document.images[bild].src = tmp_fname;
		}
		// image in webpage is set to relevant sponsor
	}
	url = totArray[pick][0];
	// url is set to respective sponsor url
}



function jump()
{
	// opens a new webpage with the following properties and the url of the respective sponsor
	//	new_window=window.open(url,"new_win","toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes,width=740,height=580");

	window.open(url);
}



function rotate()
{



		// :: reihenfolge
		showImgNr++;
		if(showImgNr >= banners.length)
			showImgNr = 0;

		chosen = showImgNr;

		// based on the length of the "banners" array a mathematically random number is chosen which is between 0 and "banners" length
		// this number is passed to the function banner()
		banner(chosen);

		if(showImgNr == 1)
			time	= 5000;
		else if(showImgNr == 5)
			time	= 5000;
		else
			time	= 10000;

	window.status = "Nummer "+showImgNr+ " / Time: " + time;

	setTimeout('rotate()',time);
	// rotates banner, by recalling itself after time set in body tag of webpage has elapsed. rotate() is called from body tag
}