if (document.images) {

	img01on=new Image(); 
	img01on.src="/web/images/01on.gif";  
	
	img1on=new Image(); 
	img1on.src="/web/images/1on.gif";   
	img2on=new Image();      
	img2on.src="/web/images/2on.gif";
	img3on=new Image(); 
	img3on.src="/web/images/3on.gif";  
	img4on=new Image();      
	img4on.src="/web/images/4on.gif"; 
	img5on=new Image();      
	img5on.src="/web/images/5on.gif"; 
	img6on=new Image();      
	img6on.src="/web/images/6on.gif"; 

	img01off=new Image();          
	img01off.src="/web/images/01.gif"; 

	img1off=new Image();          
	img1off.src="/web/images/1.gif"; 
	img2off=new Image(); 
	img2off.src="/web/images/2.gif"; 
	img3off=new Image();          
	img3off.src="/web/images/3.gif"; 
	img4off=new Image(); 
	img4off.src="/web/images/4.gif";
	img5off=new Image(); 
	img5off.src="/web/images/5.gif";
	img6off=new Image(); 
	img6off.src="/web/images/6.gif";

			}

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

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