function scrollan(img1, img2)
{
	if(document.all)
	{
		eval("document.all." + img1 + ".style").visibility = "visible";
		eval("document.all." + img2 + ".style").visibility = "visible";
	}
	else if (document.layers)
	{
		eval("document." + img1).visibility = "show";
		eval("document." + img2).visibility = "show";
	}
}
function scrollaus(img1, img2)
{
	if(document.all)
	{
		eval("document.all." + img1 + ".style").visibility = "hidden";
		eval("document.all." + img2 + ".style").visibility = "hidden";
	}
	else if (document.layers)
	{
		eval("document." + img1).visibility="hide";	
		eval("document." + img2).visibility="hide";
	}
}