if (document.images) {
        

                img1on = new Image();
                img1on.src = "images/link1b.gif";
                img2on = new Image();
                img2on.src = "images/link2b.gif";
                img3on = new Image();
                img3on.src = "images/link3b.gif";
                img4on = new Image();
                img4on.src = "images/link4b.gif";
                img5on = new Image();
                img5on.src = "images/link5b.gif";
                img6on = new Image();
                img6on.src = "images/subnav1b.gif";
                img7on = new Image();
                img7on.src = "images/subnav2b.gif";
                img8on = new Image();
                img8on.src = "images/subnav3b.gif";
                img9on = new Image();
                img9on.src = "images/subnav4b.gif";
                img10on = new Image();
                img10on.src = "images/subnav5b.gif";
                img11on = new Image();
                img11on.src = "images/subnav6b.gif";
                img12on = new Image();
                img12on.src = "images/link6b.gif";

                img1push = new Image();
                img1push.src = "images/link1b.gif";
                img2push = new Image();
                img2push.src = "images/link2b.gif";
                img3push = new Image();
                img3push.src = "images/link3b.gif";
                img4push = new Image();
                img4push.src = "images/link4b.gif";
                img5push = new Image();
                img5push.src = "images/link5b.gif";
                img6push = new Image();
                img6push.src = "images/subnav1b.gif";
                img7push = new Image();
                img7push.src = "images/subnav2b.gif";
                img8push = new Image();
                img8push.src = "images/subnav3b.gif";
                img9push = new Image();
                img9push.src = "images/subnav4b.gif";
                img10push = new Image();
                img10push.src = "images/subnav5b.gif";
                img11push = new Image();
                img11push.src = "images/subnav6b.gif";
                img12push = new Image();
                img12push.src = "images/link6b.gif";
                
                img1off = new Image();
                img1off.src = "images/link1a.gif";
                img2off = new Image();
                img2off.src = "images/link2a.gif";
                img3off = new Image();
                img3off.src = "images/link3a.gif";
                img4off = new Image();
                img4off.src = "images/link4a.gif";
                img5off = new Image();
                img5off.src = "images/link5a.gif";
                img6off = new Image();
                img6off.src = "images/subnav1a.gif";
                img7off = new Image();
                img7off.src = "images/subnav2a.gif";
                img8off = new Image();
                img8off.src = "images/subnav3a.gif";
                img9off = new Image();
                img9off.src = "images/subnav4a.gif";
                img10off = new Image();
                img10off.src = "images/subnav5a.gif";
                img11off = new Image();
                img11off.src = "images/subnav6a.gif";
                img12off = new Image();
                img12off.src = "images/link6a.gif";
                }
                
function imgOn(imgName, getLayer) {
	if (isNS4){
		if(document.images){
			eval (getLayer)[imgName].src = eval(imgName + "on.src");
		}
	}
	else{
		if(document.images){
		document[imgName].src = eval(imgName + "on.src");
		}
	}
}


        
function imgPush(imgName, getLayer) {
	if (isNS4){
		if(document.images) {
			eval (getLayer)[imgName].src = eval(imgName + "push.src");
		}
	}
	else{
		if(document.images) {
			document[imgName].src = eval(imgName + "push.src");
		}
	}
}


  
function imgOff(imgName, getLayer) {
	if (isNS4){
		if(document.images) {
		eval (getLayer)[imgName].src = eval(imgName + "off.src");
		}
	}
	else{
		if(document.images) {
		document[imgName].src = eval(imgName + "off.src");
		}
	}
}