if (document.styleSheets)
{
	ver = navigator.appVersion;
	if (parseInt(ver.substring(ver.indexOf("MSIE") + 5)) < 7)
	{
		sheets = document.styleSheets;
		for (i = 0; i < sheets.length; i++)
		{
			thecss = sheets[i].rules;
			for (j = 0; j < thecss.length; j++)
			{
				var className = thecss[j].selectorText.toLowerCase();
				if (className == ".leftpane_container" || className == ".leftpane_internal")
				{
					img = thecss[j].style.backgroundImage;
					if (img > "")
					{
						img = img.replace(".png", ".gif");
						thecss[j].style.backgroundImage = img;
						i = sheets.length;
					}
				}
			}
		}
	}
}