if (document.images) {

	aon = new Image();           // Active images
	aon.src = "images/link1.png";
	aoff = new Image();          // Inactive images
	aoff.src = "images/link1-ro.png";

	bon = new Image();           // Active images
	bon.src = "images/link2.png";
	boff = new Image();          // Inactive images
	boff.src = "images/link2-ro.png";

	con = new Image();           // Active images
	con.src = "images/link3.png";
	coff = new Image();          // Inactive images
	coff.src = "images/link3-ro.png";

	don = new Image();           // Active images
	don.src = "images/link4.png";
	doff = new Image();          // Inactive images
	doff.src = "images/link4-ro.png";

	eon = new Image();           // Active images
	eon.src = "images/link5.png";
	eoff = new Image();          // Inactive images
	eoff.src = "images/link5-ro.png";

	fon = new Image();           // Active images
	fon.src = "images/link6.png";
	foff = new Image();          // Inactive images
	foff.src = "images/link6-ro.png";

	gon = new Image();           // Active images
	gon.src = "images/link7.png";
	goff = new Image();          // Inactive images
	goff.src = "images/link7-ro.png";
	
	ion = new Image();           // Active images
	ion.src = "images/link8.png";
	ioff = new Image();          // Inactive images
	ioff.src = "images/link8-ro.png";

	hon = new Image();           // Active images
	hon.src = "images/cd2.png";
	hoff = new Image();          // Inactive images
	hoff.src = "images/cd2-ro.png";


	
}


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