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

if (browser){
	toc1on = new Image () ;
	toc1on.src = "/m-home-on.gif";
	toc2on = new Image () ;
	toc2on.src = "/m-portfolio-on.gif";
	toc3on = new Image () ;
	toc3on.src = "/m-marine-on.gif";
	toc4on = new Image () ;
	toc4on.src = "/m-about-on.gif";
	toc5on = new Image () ;
	toc5on.src = "/m-contact-on.gif";
	toc6on = new Image () ;
	toc6on.src = "/m-request-on.gif";
	toc7on = new Image () ;
	toc7on.src = "/h_port_on.jpg";
	toc8on = new Image () ;
	toc8on.src = "/h_marine_on.jpg";
	toc9on = new Image () ;
	toc9on.src = "/h_about_on.jpg";
	toc10on = new Image () ;
	toc10on.src = "/h_contact_on.jpg";
	toc11on = new Image () ;
	toc11on.src = "/h_request_on.jpg";
	toc12on = new Image () ;
	toc12on.src = "/portfolio/prod_buses_on.jpg";
	toc13on = new Image () ;
	toc13on.src = "/portfolio/prod_custom_on.jpg";
	toc14on = new Image () ;
	toc14on.src = "/portfolio/prod_fleet_on.jpg";
	toc15on = new Image () ;
	toc15on.src = "/portfolio/prod_murals_on.jpg";
	toc16on = new Image () ;
	toc16on.src = "/portfolio/prod_arch_on.jpg";
	toc17on = new Image () ;
	toc17on.src = "/marine/m_redfishtour_on.jpg";
	toc18on = new Image () ;
	toc18on.src = "/marine/m_portfolio_on.jpg";
	toc19on = new Image () ;
	toc19on.src = "/marine/m_captains_on.jpg";
	toc20on = new Image () ;
	toc20on.src = "/marine/m_additional_on.jpg";

	toc1off = new Image () ;
	toc1off.src = "/m-home-off.gif";
	toc2off = new Image () ;
	toc2off.src = "/m-portfolio-off.gif";
	toc3off = new Image () ;
	toc3off.src = "/m-marine-off.gif";
	toc4off = new Image () ;
	toc4off.src = "/m-about-off.gif";
	toc5off = new Image () ;
	toc5off.src = "/m-contact-off.gif";
	toc6off = new Image () ;
	toc6off.src = "/m-request-off.gif";
	toc7off = new Image () ;
	toc7off.src = "/h_port_off.jpg";
	toc8off = new Image () ;
	toc8off.src = "/h_marine_off.jpg";
	toc9off = new Image () ;
	toc9off.src = "/h_about_off.jpg";
	toc10off = new Image () ;
	toc10off.src = "/h_contact_off.jpg";
	toc11off = new Image () ;
	toc11off.src = "/h_request_off.jpg";
	toc12off = new Image () ;
	toc12off.src = "/portfolio/prod_buses_off.jpg";
	toc13off = new Image () ;
	toc13off.src = "/portfolio/prod_custom_off.jpg";
	toc14off = new Image () ;
	toc14off.src = "/portfolio/prod_fleet_off.jpg";
	toc15off = new Image () ;
	toc15off.src = "/portfolio/prod_murals_off.jpg";
	toc16off = new Image () ;
	toc16off.src = "/portfolio/prod_arch_off.jpg";
	toc17off = new Image () ;
	toc17off.src = "/marine/m_redfishtour_off.jpg";
	toc18off = new Image () ;
	toc18off.src = "/marine/m_portfolio_off.jpg";
	toc19off = new Image () ;
	toc19off.src = "/marine/m_captains_off.jpg";
	toc20off = new Image () ;
	toc20off.src = "/marine/m_additional_off.jpg";
}

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;
	}
}