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            img1on.src = "../images/2h.jpg";   
            img2on = new Image();
            img2on.src = "../images/4h.jpg";
            img3on = new Image();
            img3on.src = "../images/6h.jpg";            
            img4on = new Image();
            img4on.src = "../images/8h.jpg";
                
            img1off = new Image(); 
            img1off.src = "../images/2.jpg"; 
            img2off = new Image(); 
            img2off.src = "../images/4.jpg"; 
            img3off = new Image(); 
            img3off.src = "../images/6.jpg"; 
            img4off = new Image(); 
            img4off.src = "../images/8.jpg"; 
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function imgOn(imgName) {
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function imgOff(imgName) {
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}

// -->