if (document.images){
	link1on = new Image;
	link1on.src = "siteimages/menu1_on.gif";
	link2on = new Image;
	link2on.src = "siteimages/menu2_on.gif";
	link3on = new Image;
	link3on.src = "siteimages/menu3_on.gif";
	link4on = new Image;
	link4on.src = "siteimages/menu4_on.gif";
	link5on = new Image;
	link5on.src = "siteimages/menu5_on.gif";
	link6on = new Image;
	link6on.src = "siteimages/menu6_on.gif";
	link7on = new Image;
	link7on.src = "siteimages/menu7_on.gif";

	link1off = new Image;
	link1off.src = "siteimages/menu1_off.gif";
	link2off = new Image;
	link2off.src = "siteimages/menu2_off.gif";
	link3off = new Image;
	link3off.src = "siteimages/menu3_off.gif";
	link4off = new Image;
	link4off.src = "siteimages/menu4_off.gif";
	link5off = new Image;
	link5off.src = "siteimages/menu5_off.gif";
	link6off = new Image;
	link6off.src = "siteimages/menu6_off.gif";
	link7off = new Image;
	link7off.src = "siteimages/menu7_off.gif";
	}

function img_act(imgName) {
	if (document.images) {
		imgOn = eval(imgName + "on.src");
		document [imgName].src = imgOn;
		}
	}
function img_inact(imgName) {
	if (document.images) {
		imgOff = eval(imgName + "off.src");
		document [imgName].src = imgOff;
		}
	}