
	<!-- hide from old browsers
	if (document.images) {           

        	bnav1 = new Image();
        	bnav1.src = "pictures/home-but.png";
               	bnav1h = new Image();
        	bnav1h.src = "pictures/home-over.png";

        	bnav2 = new Image();
        	bnav2.src = "pictures/about-but.png";
               	bnav2h = new Image();
        	bnav2h.src = "pictures/about-over.png";

        	bnav3 = new Image();
        	bnav3.src =  "pictures/products-but.png";
               	bnav3h = new Image();
        	bnav3h.src =  "pictures/products-over.png";
 
        	bnav4 = new Image();
        	bnav4.src =  "pictures/contact-but.png";
        	bnav4h = new Image();
        	bnav4h.src =  "pictures/contact-over.png";
		
		bnav5 = new Image();
        	bnav5.src =  "pictures/email-but.png";
        	bnav5h = new Image();
        	bnav5h.src =  "pictures/email-over.png";
		
	  }

// highlighted images
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "h.src");
        }
}

// original images
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + ".src");
        }
}

// end hide from old browsers -->