if (document.images) {
	link1on = new Image(80,80);
        link1on.src = "images/bint1on.gif";

	link1off = new Image(80,80);
        link1off.src = "images/bint1.gif";

	link2on = new Image(80,80);
        link2on.src = "images/bint2on.gif";

	link2off = new Image(80,80);
        link2off.src = "images/bint2.gif";

	link3on = new Image(80,80);
        link3on.src = "images/bint3on.gif";

	link3off = new Image(80,80);
        link3off.src = "images/bint3.gif";

	link4on = new Image(80,80);
        link4on.src = "images/bint4on.gif";

	link4off = new Image(80,80);
        link4off.src = "images/bint4.gif";

	link5on = new Image(80,80);
        link5on.src = "images/bint5on.gif";

	link5off = new Image(80,80);
        link5off.src = "images/bint5.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;
        }
}