function preview(n, i)
{
		if(document.all)
		{
			//isIE
			document.all[n].src = "images/gallery_loading.jpg";
			document.all[n].src = i;
		}
		else
		{
			//isNotIE
			document.getElementById(n).src = "images/gallery_loading.jpg";
			document.getElementById(n).src = i;
		}
}