browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

if ( (browserName == "Netscape" && browserVer >= 3) || (browserName== "Microsoft Internet Explorer" && browserVer > 3) ) version = "n3";
	else version = "n2";
	if (version == "n3") {

	
	n_dison = new Image();
	n_dison.src = "images/img/n_dison.gif";

	n_disoff = new Image();
	n_disoff.src = "images/img/n_disoff.gif";
	
	n_homeon = new Image();
	n_homeon.src = "images/img/n_homeon.gif";

	n_homeoff = new Image();
	n_homeoff.src = "images/img/n_homeoff.gif";

	n_oneon = new Image();
	n_oneon.src = "images/img/n_oneon.gif";

	n_oneoff = new Image();
	n_oneoff.src = "images/img/n_oneoff.gif";

	n_twoon = new Image();
	n_twoon.src = "images/img/n_twoon.gif";

	n_twooff = new Image();
	n_twooff.src = "images/img/n_twooff.gif";

	n_threeon = new Image();
	n_threeon.src = "images/img/n_threeon.gif";

	n_threeoff = new Image();
	n_threeoff.src = "images/img/n_threeoff.gif";

	n_studioon = new Image();
	n_studioon.src = "images/img/n_studioon.gif";

	n_studiooff = new Image();
	n_studiooff.src = "images/img/n_studiooff.gif";

	n_common = new Image();
	n_common.src = "images/img/n_common.gif";

	n_commoff = new Image();
	n_commoff.src = "images/img/n_commoff.gif";

	n_emailon = new Image();
	n_emailon.src = "images/img/n_emailon.gif";

	n_emailoff = new Image();
	n_emailoff.src = "images/img/n_emailoff.gif";

	n_appon = new Image();
	n_appon.src = "images/img/n_appon.gif";

	n_appoff = new Image();
	n_appoff.src = "images/img/n_appoff.gif";

}


function img_act(imgName) {
        if (version == "n3") {
        imgOn = eval(imgName + "on.src");
        document [imgName].src = imgOn;
        }
}

function img_inact(imgName) {
        if (version == "n3") {
        imgOff = eval(imgName + "off.src");
        document [imgName].src = imgOff;
        }
}