if (document.images) {

	aon = new Image();           // Active images
	aon.src = "images/link-a.gif";
	aoff = new Image();          // Inactive images
	aoff.src = "images/link-a2.gif";

	bon = new Image();           // Active images
	bon.src = "images/link-b.gif";
	boff = new Image();          // Inactive images
	boff.src = "images/link-b2.gif";

	con = new Image();           // Active images
	con.src = "images/link-c.gif";
	coff = new Image();          // Inactive images
	coff.src = "images/link-c2.gif";
	
	don = new Image();           // Active images
	don.src = "images/link-d.gif";
	doff = new Image();          // Inactive images
	doff.src = "images/link-d2.gif";
	
	eon = new Image();           // Active images
	eon.src = "images/link-e.gif";
	eoff = new Image();          // Inactive images
	eoff.src = "images/link-e2.gif";
	
	fon = new Image();           // Active images
	fon.src = "images/link-f.gif";
	foff = new Image();          // Inactive images
	foff.src = "images/link-f2.gif";
	
	gon = new Image();           // Active images
	gon.src = "images/link-g.gif";
	goff = new Image();          // Inactive images
	goff.src = "images/link-g2.gif";	
	
	hon = new Image();           // Active images
	hon.src = "images/link-h.gif";
	hoff = new Image();          // Inactive images
	hoff.src = "images/link-h2.gif";	
	
	ion = new Image();           // Active images
	ion.src = "images/link-i.gif";
	ioff = new Image();          // Inactive images
	ioff.src = "images/link-i2.gif";	
	
	jon = new Image();           // Active images
	jon.src = "images/link-j.gif";
	joff = new Image();          // Inactive images
	joff.src = "images/link-j2.gif";	


  }
    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");        
            }
    }