var bName = navigator.appName;
var bVer = parseInt(navigator.appVersion);
var imgCap;

// Determine if browser supports scriptable image object
if((bName == "Netscape" && bVer >= 3) || (bName == "Microsoft Internet Explorer" && bVer >= 4))
	imgCap = true; 
else
	imgCap = false;

// Define and load image objects
if(imgCap)
{
	/*var mnuAboutOn = new Image();
	mnuAboutOn.src = "http://www.quixotecorp.com/images/about-on.gif";
	var mnuAboutOff = new Image();
	mnuAboutOff.src = "http://www.quixotecorp.com/images/about-off.gif";
	
	
	
	var mnuCompaniesOn = new Image();
	mnuCompaniesOn.src = "http://www.quixotecorp.com/images/companies-on.gif";
	var mnuCompaniesOff = new Image();
	mnuCompaniesOff.src = "http://www.quixotecorp.com/images/companies-off.gif";
	
	var mnuContactOn = new Image();
	mnuContactOn.src = "http://www.quixotecorp.com/images/contact-on.gif";
	var mnuContactOff = new Image();
	mnuContactOff.src = "http://www.quixotecorp.com/images/contact-off.gif";
	
	var mnuInvestorOn = new Image();
	mnuInvestorOn.src = "http://www.quixotecorp.com/images/investor-on.gif";
	var mnuInvestorOff = new Image();
	mnuInvestorOff.src = "http://www.quixotecorp.com/images/investor-off.gif";
	
	// Investor images
	var mnuReportOn = new Image();
	mnuReportOn.src = "http://www.quixotecorp.com/images/2006annual-on.gif";
	var mnuReportOff = new Image();
	mnuReportOff.src = "http://www.quixotecorp.com/images/2006annual-off.gif";
	
	var mnuProxyOn = new Image();
	mnuProxyOn.src = "http://www.quixotecorp.com/images/2006proxy-on.gif";
	var mnuProxyOff = new Image();
	mnuProxyOff.src = "http://www.quixotecorp.com/images/2006proxy-off.gif";
	
	var mnuPressOn = new Image();
	mnuPressOn.src = "http://www.quixotecorp.com/images/press-on.gif";
	var mnuPressOff = new Image();
	mnuPressOff.src = "http://www.quixotecorp.com/images/press-off.gif";
	
	var mnuSecOn = new Image();
	mnuSecOn.src = "http://www.quixotecorp.com/images/sec-on.gif";
	var mnuSecOff = new Image();
	mnuSecOff.src = "http://www.quixotecorp.com/images/sec-off.gif";
	
	var mnuStockOn = new Image();
	mnuStockOn.src = "http://www.quixotecorp.com/images/stock-on.gif";
	var mnuStockOff = new Image();
	mnuStockOff.src = "http://www.quixotecorp.com/images/stock-off.gif";
	
	var mnuAccountOn = new Image();
	mnuAccountOn.src = "http://www.quixotecorp.com/images/account-on.gif";
	var mnuAccountOff = new Image();
	mnuAccountOff.src = "http://www.quixotecorp.com/images/account-off.gif";
	
	var mnuWhoContactOn = new Image();
	mnuWhoContactOn.src = "http://www.quixotecorp.com/images/who-on.gif";
	var mnuWhoContactOff = new Image();
	mnuWhoContactOff.src = "http://www.quixotecorp.com/images/who-off.gif";
	
	var mnuCorpOn = new Image();
	mnuCorpOn.src = "http://www.quixotecorp.com/images/corporate-on.gif";
	var mnuCorpOff = new Image();
	mnuCorpOff.src = "http://www.quixotecorp.com/images/corporate-off.gif";
	
	var mnuEnergyOn = new Image();
	mnuEnergyOn.src = "http://www.quixotecorp.com/images/energy-on.gif";
	var mnuEnergyOff = new Image();
	mnuEnergyOff.src = "http://www.quixotecorp.com/images/energy-off.gif";
	
	var mnuHisOn = new Image();
	//mnuHisOn.src = "http://www.quixotecorp.com/images/his-on.gif";
	mnuHisOn.src = "http://www.quixotecorp.com/images/highwayinfo-on.gif";
	var mnuHisOff = new Image();
	//mnuHisOff.src = "http://www.quixotecorp.com/images/his-off.gif";
	mnuHisOff.src = "http://www.quixotecorp.com/images/highwayinfo-off.gif";
	
	var mnuNumetricsOn = new Image();
	mnuNumetricsOn.src = "http://www.quixotecorp.com/images/numetrics-on.gif";
	var mnuNumetricsOff = new Image();
	mnuNumetricsOff.src = "http://www.quixotecorp.com/images/numetrics-off.gif";
	
	var mnuSafehitOn = new Image();
	mnuSafehitOn.src = "http://www.quixotecorp.com/images/safehit-on.gif";
	var mnuSafehitOff = new Image();
	mnuSafehitOff.src = "http://www.quixotecorp.com/images/safehit-off.gif";

	var mnuJointOn = new Image();
	mnuJointOn.src = "http://www.quixotecorp.com/images/joint-on.gif";
	var mnuJointOff = new Image();
	mnuJointOff.src = "http://www.quixotecorp.com/images/joint-off.gif";

	var mnuQTSOn = new Image();
	mnuQTSOn.src = "http://www.quixotecorp.com/images/qts-on.gif";
	var mnuQTSOff = new Image();
	mnuQTSOff.src = "http://www.quixotecorp.com/images/qts-off.gif";

	var mnuSurfaceOn = new Image();
	mnuSurfaceOn.src = "http://www.quixotecorp.com/images/surface-on.gif";
	var mnuSurfaceOff = new Image();
	mnuSurfaceOff.src = "http://www.quixotecorp.com/images/surface-off.gif";

	var mnuNationalOn = new Image();
	mnuNationalOn.src = "http://www.quixotecorp.com/images/national-on.gif";
	var mnuNationalOff = new Image();
	mnuNationalOff.src = "http://www.quixotecorp.com/images/national-off.gif";

	var mnuJobsOn = new Image();
	mnuJobsOn.src = "http://www.quixotecorp.com/images/jobs-on.gif";
	var mnuJobsOff = new Image();
	mnuJobsOff.src = "http://www.quixotecorp.com/images/jobs-off.gif";

	var mnuWhoContactOn = new Image();
	mnuWhoContactOn.src = "http://www.quixotecorp.com/images/who-contact-on.gif";
	var mnuWhoContactOff = new Image();
	mnuWhoContactOff.src = "http://www.quixotecorp.com/images/who-contact-off.gif";
	
	var mnuPeekOn = new Image();
	mnuPeekOn.src = "http://www.quixotecorp.com/images/peekTraffic-on.gif";
	var mnuPeekOff = new Image();
	mnuPeekOff.src = "http://www.quixotecorp.com/images/peekTraffic-off.gif";
	
	var mnuUsTrafficOn = new Image();
	mnuUsTrafficOn.src = "http://www.quixotecorp.com/images/usTraffic-on.gif";
	var mnuUsTrafficOff = new Image();
	mnuUsTrafficOff.src = "http://www.quixotecorp.com/images/usTraffic-off.gif";
	
	var mnuCorpGovernanceOn = new Image();
	mnuCorpGovernanceOn.src = "http://www.quixotecorp.com/images/CorpGovernance-on.gif";
	var mnuCorpGovernanceOff = new Image();
	mnuCorpGovernanceOff.src = "http://www.quixotecorp.com/images/CorpGovernance-off.gif";*/
	
	var mnuIrHomeOn = new Image();
	mnuIrHomeOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-home-on.gif";
	var mnuIrHomeOff = new Image();
	mnuIrHomeOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-home-off.gif";
	
	var mnuIrGovOn = new Image();
	mnuIrGovOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-corporate-on.gif";
	var mnuIrGovOff = new Image();
	mnuIrGovOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-corporate-off.gif";
	
	var mnuIrManageOn = new Image();
	mnuIrManageOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-board-on.gif";
	var mnuIrManageOff = new Image();
	mnuIrManageOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-board-off.gif";
	
	var mnuIrFundOn = new Image();
	mnuIrFundOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-fundamentals-on.gif";
	var mnuIrFundOff = new Image();
	mnuIrFundOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-fundamentals-off.gif";
	
	var mnuIrStockOn = new Image();
	mnuIrStockOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-stock-on.gif";
	var mnuIrStockOff = new Image();
	mnuIrStockOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-stock-off.gif";
	
	var mnuIrNewsOn = new Image();
	mnuIrNewsOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-news-on.gif";
	var mnuIrNewsOff = new Image();
	mnuIrNewsOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-news-off.gif";
	
	var mnuIrReportsOn = new Image();
	mnuIrReportsOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-financial-on.gif";
	var mnuIrReportsOff = new Image();
	mnuIrReportsOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-financial-off.gif";
	
	var mnuIrSecOn = new Image();
	mnuIrSecOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-sec-on.gif";
	var mnuIrSecOff = new Image();
	mnuIrSecOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-sec-off.gif";
	
	var mnuIrAnalystOn = new Image();
	mnuIrAnalystOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-analyst-on.gif";
	var mnuIrAnalystOff = new Image();
	mnuIrAnalystOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-analyst-off.gif"
	
	var mnuIrEstimatesOn = new Image();
	mnuIrEstimatesOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-earning-on.gif";
	var mnuIrEstimatesOff = new Image();
	mnuIrEstimatesOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-earning-off.gif"
	
	
	var mnuIrCalendarOn = new Image();
	mnuIrCalendarOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-event-on.gif";
	var mnuIrCalendarOff = new Image();
	mnuIrCalendarOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-event-off.gif"
	
	var mnuIrPresentationsOn = new Image();
	mnuIrPresentationsOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-presentations-on.gif";
	var mnuIrPresentationsOff = new Image();
	mnuIrPresentationsOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-presentations-off.gif"
	
	var mnuIrAlertsOn = new Image();
	mnuIrAlertsOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-email-on.gif";
	var mnuIrAlertsOff = new Image();
	mnuIrAlertsOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-email-off.gif"
	
	var mnuIrInfoOn = new Image();
	mnuIrInfoOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-info-on.gif";
	var mnuIrInfoOff = new Image();
	mnuIrInfoOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-info-off.gif"
	
	var mnuIrFaqOn = new Image();
	mnuIrFaqOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-investor-on.gif";
	var mnuIrFaqOff = new Image();
	mnuIrFaqOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-investor-off.gif"
	
	var mnuIrInvestorKitOn = new Image();
	mnuIrInvestorKitOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-online-on.gif";
	var mnuIrInvestorKitOff = new Image();
	mnuIrInvestorKitOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-online-off.gif"
	
	var mnuIrContactOn = new Image();
	mnuIrContactOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-contact-on.gif";
	var mnuIrContactOff = new Image();
	mnuIrContactOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/images/ir-contact-off.gif"
	
	var mnuIrProxyOn = new Image();
		mnuIrProxyOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/meetingmaterials_on.gif";
		var mnuIrProxyOff = new Image();
	mnuIrProxyOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/meetingmaterials_off.gif"
	
	var mnuIrQuarterlyearningsOn = new Image();
		mnuIrQuarterlyearningsOn.src = "http://media.corporate-ir.net/media_files/irol/11/117834/quarterlyresults_on.gif";
		var mnuIrQuarterlyearningsOff = new Image();
	mnuIrQuarterlyearningsOff.src = "http://media.corporate-ir.net/media_files/irol/11/117834/quarterlyresults_off.gif"
	
	var mnuAccountOn = new Image();
	mnuAccountOn.src = "http://www.quixotecorp.com/images/account-on.gif";
	var mnuAccountOff = new Image();
	mnuAccountOff.src = "http://www.quixotecorp.com/images/account-off.gif";

}

var activeMenu = "";

function menuOn(mnuName)
{
	// If ie3 or mousing over already active image, return
	if(!imgCap || mnuName == activeMenu)
		return;
	
	// Switch menu tab image
	document.images[mnuName].src = eval(mnuName + "On.src");
	activeMenu = mnuName;
}

function menuOff(mnuName)
{
	// If ie3, return
	if(!imgCap)
		return;
	
	if(startMnu != mnuName){
		document.images[mnuName].src = eval(mnuName + "Off.src");
		activeMenu = "";
	}
}