var pos = 0;
	// initial images (pre-load)
	if (document.images)
		{
			for (i=0; i<imgArray.length; i++)
				{
					eval("imgObj" + i + "= new Image()");
					eval("imgObj" + i + ".src = '" + imgDir + imgArray[i] + "'");
				}
			
			var lastvalue = "sponsors/sponsors_overview" + locale + ".html#baef";
			var currentPos = 0;
		}
		
	function changeHrefs()
		{
			var i;
				
			for (var i=0;i<document.links.length;i++)
				{
		            if((document.links[i].href.length - lastvalue.length) == document.links[i].href.indexOf(lastvalue))
						{
							document.links[i].href = lastvalue = imgUrlPath[pos];
						}
				}
		}
	
		
	function toPrevious()
		{
			if (pos == 0) { pos = imgArray.length - 1;}
			else { pos = pos - 1 };
			
			eval("document.vvr.src = imgObj"+pos+".src");
			
			changeHrefs();
		}

	function toNext()
		{
			if (pos == imgArray.length - 1) { pos = 0; }
			else { pos = pos + 1; }
			
			eval("document.vvr.src = imgObj"+pos+".src");
			
			changeHrefs();
		}
		
	function goToPos(position)
		{
			pos = position;
			eval("document.vvr.src = imgObj"+pos+".src");
			
			var thumbId="thumb" + pos;
			var currentThumbId = "thumb" + currentPos;
			var newImage = "url(../images/outwardbound/gallery/img_background_thumbs.gif)";
			
			document.getElementById(thumbId).style.backgroundImage = newImage;
			document.getElementById(currentThumbId).style.backgroundImage = "none";
			currentPos = pos;
		}