// browser detect

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
        if (browserName == "Netscape" && browserVer >= 3) version = "n3";
        else if (browserName == "Netscape" && browserVer < 3) version = "n2";
        else if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) version = "e4";
        else if (browserName == "Microsoft Internet Explorer" && browserVer < 4) version = "e3";


// Mouseover buttons
        //"on" images
        if (version == "n3" || version == "e4") {                
        ednote_on = new Image();
        ednote_on.src = "images/ednote_on.gif";
        works_on = new Image();
        works_on.src = "images/works_on.gif";
        criticism_on = new Image();
        criticism_on.src = "images/criticism_on.gif";
        other_on = new Image();
        other_on.src = "images/other_on.gif";
        sitemap_on = new Image();
        sitemap_on.src = "images/sitemap_on.gif";

        //"off" images
        ednote_off = new Image();
        ednote_off.src = "images/ednote_off.gif";
        works_off = new Image();
        works_off.src = "images/works_off.gif";
        criticism_off = new Image();
        criticism_off.src = "images/criticism_off.gif";
        other_off = new Image();
        other_off.src = "images/other_off.gif";
        sitemap_off = new Image();
        sitemap_off.src = "images/sitemap_off.gif";
        }

function img_act(imgName) {
        if (version == "n3" || version == "e4") {                
        imgOn = eval(imgName + "_on.src");
        document [imgName].src = imgOn;
        }
}

function img_inact(imgName) {
        if (version == "n3" || version == "e4") {                
        imgOff = eval(imgName + "_off.src");
        document [imgName].src = imgOff;
        }
}


// load the menu frame when the text frame loads

function load_menu(url1) {
        parent.menu_bar.location.href= url1;
}


// open up a note window

function launchNoteWindow(file,window) { 			noteWindow=open(file,window,"toolbar=yes,menubar=no,location=no,scrollbars=yes,resizable,width=600,height=300");
     if (noteWindow.opener == null) noteWindow.opener = self;
}

//Launch a small window

function launchTinyWindow(file,window) {
    tinyWindow=open(file,window,"toolbar=no,menubar=no,location=no,scrollbars=yes,resizable,width=300,height=100");
     if (tinyWindow.opener == null) tinyWindow.opener = self;
 }
  

// load a page from a note window into the main text page

function loadOpener(url1) {
     opener.parent.location.href = url1;
 }