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

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

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

	n_aboutoff = new Image();
	n_aboutoff.src = "images/n_aboutoff.gif";
	
	
	n_pipelineon = new Image();
	n_pipelineon.src = "images/n_pipelineon.gif";

	n_pipelineoff = new Image();
	n_pipelineoff.src = "images/n_pipelineoff.gif";
	
	
	n_invon = new Image();
	n_invon.src = "images/n_invon.gif";

	n_invoff = new Image();
	n_invoff.src = "images/n_invoff.gif";
	
	
	n_bdevon = new Image();
	n_bdevon.src = "images/n_bdevon.gif";

	n_bdevoff = new Image();
	n_bdevoff.src = "images/n_bdevoff.gif";
	
	
	n_newson = new Image();
	n_newson.src = "images/n_newson.gif";

	n_newsoff = new Image();
	n_newsoff.src = "images/n_newsoff.gif";
	
	
	n_careerson = new Image();
	n_careerson.src = "images/n_careerson.gif";

	n_careersoff = new Image();
	n_careersoff.src = "images/n_careersoff.gif";
	
	
	n_contacton = new Image();
	n_contacton.src = "images/n_contacton.gif";

	n_contactoff = new Image();
	n_contactoff.src = "images/n_contactoff.gif";
	
	
	sn_invconcallson = new Image();
	sn_invconcallson.src = "images/sn_invconcallson.gif";

	sn_invconcallsoff = new Image();
	sn_invconcallsoff.src = "images/sn_invconcallsoff.gif";
	
	
	sn_invwebcastson = new Image();
	sn_invwebcastson.src = "images/sn_invwebcastson.gif";

	sn_invwebcastsoff = new Image();
	sn_invwebcastsoff.src = "images/sn_invwebcastsoff.gif";
	
	
	snmissionon = new Image();
	snmissionon.src = "images/snmissionon.gif";

	snmissionoff = new Image();
	snmissionoff.src = "images/snmissionoff.gif";
	
	
	snmanon = new Image();
	snmanon.src = "images/snmanon.gif";

	snmanoff = new Image();
	snmanoff.src = "images/snmanoff.gif";
	
	
	snbodon = new Image();
	snbodon.src = "images/snbodon.gif";

	snbodoff = new Image();
	snbodoff.src = "images/snbodoff.gif";
	
	
	snsabon = new Image();
	snsabon.src = "images/snsabon.gif";

	snsaboff = new Image();
	snsaboff.src = "images/snsaboff.gif";
	
	
	snoverviewon = new Image();
	snoverviewon.src = "images/snoverviewon.gif";

	snoverviewoff = new Image();
	snoverviewoff.src = "images/snoverviewoff.gif";
	
	
	sncdnpon = new Image();
	sncdnpon.src = "images/sncdnpon.gif";

	sncdnpoff = new Image();
	sncdnpoff.src = "images/sncdnpoff.gif";
	
	
	snrecenton = new Image();
	snrecenton.src = "images/snrecenton.gif";

	snrecentoff = new Image();
	snrecentoff.src = "images/snrecentoff.gif";
	
	
	snarchiveson = new Image();
	snarchiveson.src = "images/snarchiveson.gif";

	snarchivesoff = new Image();
	snarchivesoff.src = "images/snarchivesoff.gif";
	
	
	sncorpcontacton = new Image();
	sncorpcontacton.src = "images/sncorpcontacton.gif";

	sncorpcontactoff = new Image();
	sncorpcontactoff.src = "images/sncorpcontactoff.gif";
	
	
	sn_peventson = new Image();
	sn_peventson.src = "images/sn_peventson.gif";
	
	sn_peventsoff = new Image();
	sn_peventsoff.src = "images/sn_peventsoff.gif";
	
	
	sn_ueventson = new Image();
	sn_ueventson.src = "images/sn_ueventson.gif";
	
	sn_ueventsoff = new Image();
	sn_ueventsoff.src = "images/sn_ueventsoff.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;

        }

}