<!--
if (document.images) {            
            img1on = new Image();      
            img1on.src = "img/location2.gif";
			img2on = new Image();      
            img2on.src = "img/services2.gif";
			img3on = new Image();      
            img3on.src = "img/about2.gif";
			img4on = new Image();      
            img4on.src = "img/contact2.gif";

            img1off = new Image(); 
            img1off.src = "img/location.gif";
			img2off = new Image(); 
            img2off.src = "img/services.gif";   
			img3off = new Image(); 
            img3off.src = "img/about.gif"; 
			img4off = new Image(); 
            img4off.src = "img/contact.gif";       }


function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}


function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}

-->