<!--


        if (document.images) {


            abouton = new Image();             abouton.src = "images/about_on.gif";
            serviceson = new Image();         serviceson.src = "images/services_on.gif";
            portfolioon = new Image();          portfolioon.src = "images/portfolio_on.gif";
            clientson = new Image();           clientson.src = "images/clients_on.gif";
            contacton = new Image();          contacton.src = "images/contact_on.gif";
            tenruleson = new Image();          tenruleson.src = "images/tenrules_on.gif";
            homeon = new Image();             homeon.src = "images/home_on.gif";

            aboutoff = new Image();             aboutoff.src = "images/about_off.gif";
            servicesoff = new Image();         servicesoff.src = "images/services_off.gif";
            portfoliooff = new Image();          portfoliooff.src = "images/portfolio_off.gif";
            clientsoff = new Image();           clientsoff.src = "images/clients_off.gif";
            contactoff = new Image();          contactoff.src = "images/contact_off.gif";
            tenrulesoff = new Image();         tenrulesoff.src = "images/tenrules_off.gif";
            homeoff = new Image();            homeoff.src = "images/home_off.gif";

         }


     function imgOn(imgName) {


            // if (document.images) {


            if (document[imgName]) {


                document.images[imgName].src = eval(imgName + "on.src");


            }


    }


	function imgOff(imgName) {


            // if (document.images) {


            if (document[imgName]) {


                document.images[imgName].src = eval(imgName + "off.src");


            }


    }


// -->