browserName = navigator.appName;
	browserVer = parseInt(navigator.appVersion);
             if (browserName == "Netscape" && browserVer >= 3) version = "true";
	       else if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) version = "true";
                 else version = "false";
             if (version == "true") {
	             menu1on = new Image(287, 28);
	             menu1on.src="images/home_on06.gif";
	             menu1off = new Image(287, 28);
         	     menu1off.src="images/home_off06.gif";

	             menu2on = new Image(287, 28);
        	     menu2on.src="images/services_on06.gif";
	             menu2off = new Image(287, 28);
         	     menu2off.src="images/services_off06.gif";

	             menu3on = new Image(287, 28);
	             menu3on.src="images/portfolio_on06.gif";
	             menu3off = new Image(287, 28);
	             menu3off.src="images/portfolio_off06.gif";

	             menu4on = new Image(287, 28);
	             menu4on.src="images/faq_on06.gif";
	             menu4off = new Image(287, 28);
	             menu4off.src="images/faq_off06.gif";

		     }
     function img_act(imgName) {
             if (version == "true") {
             imgOn = eval(imgName + "on.src");
             document [imgName].src = imgOn;
             }
        }
     function img_inact(imgName) {
             if (version == "true") {
             imgOff = eval(imgName + "off.src");
             document [imgName].src = imgOff;
	     self.status=' ';
             }
     }