<!--

        if (document.images) {            // Active Images
            
			img1off = new Image(); 
            img1off.src = "buttons/button1off.gif"; 
			img2off = new Image();
            img2off.src = "buttons/button2off.gif";
            img3off = new Image();
            img3off.src = "buttons/button3off.gif";
            img4off = new Image();
            img4off.src = "buttons/button4off.gif";
			img5off = new Image();
            img5off.src = "buttons/button5off.gif";
			img6off = new Image();
            img6off.src = "buttons/button6off.gif";
			img7off = new Image();
            img7off.src = "buttons/button7off.gif";
            		      
			
			img1on = new Image();      
            img1on.src = "buttons/button1on.gif";
			img2on = new Image();
            img2on.src = "buttons/button2on.gif";
            img3on = new Image();
            img3on.src = "buttons/button3on.gif";
            img4on = new Image();
            img4on.src = "buttons/button4on.gif";
			img5on = new Image();
            img5on.src = "buttons/button5on.gif";
			img6on = new Image();
            img6on.src = "buttons/button6on.gif";
			img7on = new Image();
            img7on.src = "buttons/button7on.gif";
			            			            
        }

// 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");
        }
}

// -->