<!--
        if (document.images) {            // Active Images
            img1on = new Image();      
            img1on.src = "/images/homepage/about-on.gif"; 
			img2on = new Image();      
            img2on.src = "/images/homepage/shipping-on.gif"; 
            img3on = new Image(); 
            img3on.src = "/images/homepage/history-on.gif"; 
	    	img4on = new Image(); 
            img4on.src = "/images/homepage/publications-on.gif"; 
			img5on = new Image(); 
            img5on.src = "/images/homepage/magazine-on.gif";   
			  
			
			            
            img1off = new Image();      
            img1off.src = "/images/homepage/about-off.gif"; 
			img2off = new Image();      
            img2off.src = "/images/homepage/shipping-off.gif"; 
            img3off = new Image(); 
            img3off.src = "/images/homepage/history-off.gif"; 
	    	img4off = new Image(); 
            img4off.src = "/images/homepage/publications-off.gif"; 
			img5off = new Image(); 
            img5off.src = "/images/homepage/magazine-off.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");
        }

}
// -->