var browser=0;
var n=navigator.appName;
var v=parseInt(navigator.appVersion);


// *****************************************
// CHECK AGAIN FOR BROWSER COMPATIBILITY

if((n=="Netscape")&&(v>= 3))
 browser=1;
else if((n=="Microsoft Internet Explorer")&&(v>= 4))
 browser=1;






// ***************************************
// CONDITION FOR ROLLOVER TO GREEN BUTTONS

if((document.images)&&(browser))
  {
        HOMEon = new Image();
        HOMEon.src = "../images/navbar/home_on.gif";
        PREVon = new Image();
        PREVon.src = "../images/navbar/previous_on.gif";
        NEXTon = new Image();
        NEXTon.src = "../images/navbar/next_on.gif";
        QTVRon = new Image();
        QTVRon.src = "../images/navbar/qtvr_on.gif";
        QTMVon = new Image();
        QTMVon.src = "../images/navbar/qtmv_on.gif";


        HOMEoff = new Image();
        HOMEoff.src = "../images/navbar/home_off.gif";
        PREVoff = new Image();
        PREVoff.src = "../images/navbar/previous_off.gif";
        NEXToff = new Image();
        NEXToff.src = "../images/navbar/next_off.gif";
        QTVRoff = new Image();
        QTVRoff.src = "../images/navbar/qtvr_off.gif";
        QTMVoff = new Image();
        QTMVoff.src = "../images/navbar/qtmv_off.gif";

        }



// **************************************
// FUNCTION FOR ROLLOVER TO GREEN BUTTONS

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;
        }
}



// *****************************************
// FUNCTION FOR QUICKTIME WINDOWS TO POP UP

function startWindow(URL,winsize) {
  slideShow= window.open(URL, "displayWindow",winsize,"resizable=no,scrollbars=no,status=no,toolbar=no,menubar=no");
}



// *****************************************
// FUNCTION FOR STATUS BAR NOTES, v1.2 only

function MM_displayStatusMsg(msgStr) {
  status=msgStr;
  document.MM_returnValue = true;
}