// Mouse Over Start
        if (document.images) {
            img1on = new Image();      
            img1on.src = "titfortat/images/nav_homeon.jpg";      
			img2on = new Image();      
            img2on.src = "titfortat/images/nav_orderon.jpg";
			img3on = new Image();      
            img3on.src = "titfortat/images/nav_howon.jpg";
			img4on = new Image();      
            img4on.src = "titfortat/images/nav_testimonialon.jpg";
			img5on = new Image();      
            img5on.src = "titfortat/images/nav_dieton.jpg";
			img6on = new Image();      
            img6on.src = "titfortat/images/nav_shippingon.jpg";
			img7on = new Image();      
            img7on.src = "titfortat/images/nav_contacton.jpg";   
									
            img1off = new Image(); 
            img1off.src = "titfortat/images/nav_homeoff.jpg"; 
			img2off = new Image(); 
            img2off.src = "titfortat/images/nav_orderoff.jpg";
			img3off = new Image(); 
            img3off.src = "titfortat/images/nav_howoff.jpg";
			img4off = new Image(); 
            img4off.src = "titfortat/images/nav_testimonialoff.jpg";
			img5off = new Image(); 
            img5off.src = "titfortat/images/nav_dietoff.jpg";
			img6off = new Image();      
            img6off.src = "titfortat/images/nav_shippingoff.jpg";
			img7off = new Image();      
            img7off.src = "titfortat/images/nav_contactoff.jpg";
			}

					
			
// 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");
        }
}