if (window.history) 
{
	if (window.history.length != 0)
	{
			document.write("<P style=\"text-align:center\"><SPAN class=\"link\" onclick=\"window.history.back()\" onmouseover=\"style.cursor='pointer'\" onmouseout=\"style.cursor=''\"><IMG src=\"../images/back.gif\"></SPAN></P>");
	}
}