var selectedSmallImage;
    function imageSwap(imgPosition, imgObject)
    {
        
        if (document.images)
        {
            if( document.images['AsThumbnail' + imgPosition] )
            {
                document.images['AsLargePhoto'].src = largeImages[imgPosition];
                selectedSmallImage.className = "Feature";
                imgObject.className = "FeatureSelected";
                selectedSmallImage = imgObject;
            }
        }	        					
    }
    function preloadImages(srcArg)
    {
	    if (document.images) 
	    {
            var img = new Image();
            img.src = srcArg;
	    }
    }