<!--

if (document.images) {


        home_on = new Image(); home_on.src = "../images/buttons/home_on.gif";

        home_off = new Image(); home_off.src = "../images/buttons/home_off.gif";

        services_on = new Image(); services_on.src = "../images/buttons/services_on.gif";

        services_off = new Image(); services_off.src = "../images/buttons/services_off.gif";

        method_on = new Image(); method_on.src = "../images/buttons/method_on.gif";

        method_off = new Image(); method_off.src = "../images/buttons/method_off.gif";

        studies_on = new Image(); studies_on.src = "../images/buttons/studies_on.gif";

        studies_off = new Image(); studies_off.src = "../images/buttons/studies_off.gif";

        about_on = new Image(); about_on.src = "../images/buttons/about_on.gif";

        about_off = new Image(); about_off.src = "../images/buttons/about_off.gif";

        faq_on = new Image(); faq_on.src = "../images/buttons/faq_on.gif";

        faq_off = new Image(); faq_off.src = "../images/buttons/faq_off.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");

                }

        }

      //-->