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            img2on = new Image();
            img2on.src = "img/nav/about_ovr.gif";
            img3on = new Image();
            img3on.src = "img/nav/exp_ovr.gif";
            img4on = new Image();
            img4on.src = "img/nav/teens_ovr.gif";
            img5on = new Image();
            img5on.src = "img/nav/resources_ovr.gif";
            img6on = new Image();
                                                                             
            img1off = new Image();
            img1off.src = "img/nav/home.gif";
            img2off = new Image();
            img2off.src = "img/nav/about.gif";
            img3off = new Image();                    
            img3off.src = "img/nav/exp.gif";
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            img4off.src = "img/nav/teens.gif";
            img5off = new Image();
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