browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))

  if (browser) {

            homeon = new Image(42,29);
            homeon.src = "i/menu_01_home_over.gif";
            homeoff = new Image(42,29);
            homeoff.src = "i/menu_01_home.gif";	

            abouton = new Image(66,29);
            abouton.src = "i/menu_02_about_over.gif";
            aboutoff = new Image(66,29);
            aboutoff.src = "i/menu_02_about.gif";	

            studioon = new Image(59,29);
            studioon.src = "i/menu_03_studio_over.gif";
            studiooff = new Image(59,29);
            studiooff.src = "i/menu_03_studio.gif";	
	
            serviceson = new Image(93,29);
            serviceson.src = "i/menu_04_services_over.gif";
            servicesoff = new Image(93,29);
            servicesoff.src = "i/menu_04_services.gif";				
			
            corporateon = new Image(63,29);
            corporateon.src = "i/menu_05_corporate_over.gif";
            corporateoff = new Image(63,29);
            corporateoff.src = "i/menu_05_corporate.gif";	
			
            rehabon = new Image(79,29);
            rehabon.src = "i/menu_06_rehab_over.gif";
            rehaboff = new Image(79,29);
            rehaboff.src = "i/menu_06_rehab.gif";				

            consulton = new Image(61,29);
            consulton.src = "i/menu_07_consult_over.gif";
            consultoff = new Image(61,29);
            consultoff.src = "i/menu_07_consult.gif";	

            profileson = new Image(77,29);
            profileson.src = "i/menu_08_profiles_over.gif";
            profilesoff = new Image(77,29);
            profilesoff.src = "i/menu_08_profiles.gif";							
			
            contacton = new Image(61,29);
            contacton.src = "i/menu_09_contact_over.gif";
            contactoff = new Image(61,29);
            contactoff.src = "i/menu_09_contact.gif";	
			
            runnerson = new Image(74,29);
            runnerson.src = "i/menu_10_runners_over.gif";
            runnersoff = new Image(74,29);
            runnersoff.src = "i/menu_10_runners.gif";	
			

            }

function img_act(imgName) {
    if (browser) {
        imgOn = eval(imgName + "on.src");
        document [imgName].src = imgOn;
    }
}

function img_inact(imgName) {
    if (browser) {
        imgOff = eval(imgName + "off.src");
        document [imgName].src = imgOff;
    }
}