if (document.images) {          
            img1on = new Image();      
            img1on.src = "/images/nav1_on.gif"; 
            img2on = new Image(); 
            img2on.src = "/images/nav2_on.gif";  
            img3on = new Image();
            img3on.src = "/images/nav3_on.gif";
            img4on = new Image();
            img4on.src = "/images/nav4_on.gif";
			img5on = new Image();      
            img5on.src = "/images/nav5_on.gif"; 
            img6on = new Image(); 
            img6on.src = "/images/nav6_on.gif";  
            img7on = new Image();
            img7on.src = "/images/nav7_on.gif";
            img8on = new Image();
            img8on.src = "/images/nav8_on.gif";
			img9on = new Image();
            img9on.src = "/images/cwsLogo_dark.gif";
         
            img1off = new Image(); 
            img1off.src = "/images/nav1_off.gif"; 
            img2off = new Image();          
            img2off.src = "/images/nav2_off.gif"; 
            img3off = new Image();
            img3off.src = "/images/nav3_off.gif";
            img4off = new Image();
            img4off.src = "/images/nav4_off.gif";
			img5off = new Image(); 
            img5off.src = "/images/nav5_off.gif"; 
            img6off = new Image();          
            img6off.src = "/images/nav6_off.gif"; 
            img7off = new Image();
            img7off.src = "/images/nav7_off.gif";
            img8off = new Image();
            img8off.src = "/images/nav8_off.gif";
			img9off = new Image();
            img9off.src = "/images/cwsLogo_light.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");
        }
}