function imgAct(imgName)
	{
		document[imgName].src = '../_graphics/2nd_nav/' + imgName + "_mo.gif";
	}
    function imgInact(imgName)
	{
		document[imgName].src = '../_graphics/2nd_nav/' + imgName + ".gif";
	}

    function imgAct2(imgobj, imgName)
	{
		imgobj.src = '../_graphics/2nd_nav/' + imgName + "_mo.gif";
	}
    function imgInact2(imgobj, imgName)
	{
		imgobj.src = '../_graphics/2nd_nav/' + imgName + ".gif";
	}