<!--

        if (document.images) {            // Active Images
            img1on = new Image();      
            img1on.src="../headers/to_top2.gif"; 
            img2on = new Image(); 
            img2on.src="../headers/to_top2.gif";  
            img3on = new Image();
            img3on.src="../headers/to_top2.gif";
            img4on = new Image();
            img4on.src="../headers/to_top2.gif";
            img5on = new Image();
            img5on.src="../headers/to_top2.gif";
            img6on = new Image();
            img6on.src="../headers/to_top2.gif";
            img7on = new Image();
            img7on.src="../headers/to_top2.gif";
            img8on = new Image();
            img8on.src="../headers/to_top2.gif";
        // continue like so for active images

        // default images                                       
            img1off = new Image();      
            img1off.src="../headers/to_top.gif"; 
            img2off = new Image();          
            img2off.src="../headers/to_top.gif"; 
            img3off = new Image();
            img3off.src="../headers/to_top.gif";
            img4off = new Image();
            img4off.src="../headers/to_top.gif";
            img5off = new Image();
            img5off.src="../headers/to_top.gif";
            img6off = new Image();
            img6off.src="../headers/to_top.gif";
            img7off = new Image();
            img7off.src="../headers/to_top.gif";
            img8off = new Image();
            img8off.src="../headers/to_top.gif";
        // continue like so for default images
        }

        // Function to 'activate' images.
        function imgOn(imgName) { 
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}

        // Function to 'deactivate' images.
        function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}
// -->