var track = null;
var menuMain = null;
var menuLeft = null;
var menuRight = null;
var trackHandle = null;
var active = false;
var menuActive = false;
var menuEnabled = false;
var eventEnabled = true;
var trackWidth = 130; // Schieberbreite
var trackMinPos = 120; // linker Anschlag für Schieber
var trackMaxPos = 767; // rechter Anschlag für Schieber
var trackActLimit = 20; // dieser Wert links und rechts vom Menupunkt
var menuLeftEnd = 120; // bis hier wird die linke Menugrafik angezeigt
var menuRightStart = 760; // ab hier wird die rechte Menugrafik angezeigt
var menuStart = 120; // Anfang der Menugrafiken
var defaultMenu = 3; // mit diesem Menu startet das System
var menuItem = -1;
var actTrackPos = trackMaxPos;
var oldTrackPos = trackMinPos;
var actMenuTrackPos = trackMaxPos;
var dir = 0;
var menuItemsPos = new Array(5); //
menuItemsPos[0] = 127;
menuItemsPos[1] = 281;
menuItemsPos[2] = 435;
menuItemsPos[3] = 591;
menuItemsPos[4] = 742;
var is = new BrowserCheck();
function BrowserCheck() {
var b = navigator.appName;
if (b == "Netscape") this.b = "ns";
else if (b == "Microsoft Internet Explorer") this.b = "ie";
else this.b = b;
this.version = navigator.appVersion;
this.v = parseInt(this.version);
this.ns4 = (this.b == "ns" && this.v == 4);
this.ns6 = (this.b == "ns" && (this.v == 5 || this.v == 6));
this.ie = (this.b == "ie" && this.v >= 4);
}
function init() {
track = document.getElementById("track");
menuMain = document.getElementById("menuMain");
menuLeft = document.getElementById("menuLeft");
menuRight = document.getElementById("menuRight");
menuMain.style.visibility = "visible";
if (is.ns6) {
document.captureEvents(Event.MOUSEMOVE);
document.onmousemove = changeMenuState;
}
setActMenuItem(defaultMenu-1, false);
content.location.href = "aboutx_content.php";
}
function changeMenuState(e) {
if (!eventEnabled) return;
if (active) {
if (is.ie)
mousePos = event.x;
if (is.ns6)
mousePos = e.pageX;
trackPos = mousePos - trackWidth/2;
moveTrack(trackPos, false);
}
}
function setMenuState() {
if (menuEnabled) {
menuActive = true;
menuEnabled = false;
actMenuTrackPos = menuItemsPos[menuItem];
switch (menuItem) {
case 0: content.location.href = "tripx_content.html"; break;
case 1: content.location.href = "worx_content.php"; break;
case 2: content.location.href = "aboutx_content.php"; break;
case 3: content.location.href = "linx_content.php"; break;
case 4: content.location.href = "http://gboox.x-x-x-x-x.de/index.php?book=12690"; break;
default: content.location.href = "aboutx_content.php"; break;
}
setEventEnabled(false);
moveTrack(actMenuTrackPos, false);
setTimeout("setEventEnabled(true)", 1000);
}
}
function moveTrack(endTrackPos, isAnimated) {
if (oldTrackPos > endTrackPos && dir >=0) {
track.src = "images/xlider_left.gif";
dir = -1;
}
else if (oldTrackPos < endTrackPos && dir <= 0) {
track.src = "images/xlider_right.gif";
dir = 1;
}
if (!isAnimated) {
if (endTrackPos >= trackMinPos && endTrackPos <= trackMaxPos) {
if (trackHandle) clearTimeout(trackHandle);
track.style.left = endTrackPos;
menuLeft.style.clip = "rect(0 " + (endTrackPos - menuStart) + " auto auto)";
menuRight.style.clip = "rect(0 auto auto " + (endTrackPos - menuStart + trackWidth) + ")";
actTrackPos = endTrackPos;
menuEnabled = false;
checkTrackPos = eval(track.style.left.slice(0, track.style.left.length-2));
for (i=0; i<menuItemsPos.length; i++) {
if (checkTrackPos >= (menuItemsPos[i] - trackActLimit) && checkTrackPos <= (menuItemsPos[i] + trackActLimit)) {
track.src = "images/xlider_on.gif";
dir = 0;
menuEnabled = true;
menuItem = i;
}
}
}
}
else {
actTrackPos = eval(track.style.left.slice(0, track.style.left.length-2));
step = 1;
// if (Math.abs(endTrackPos-actTrackPos) > 50) step = 3;
if (Math.abs(endTrackPos-actTrackPos) > 30) step = 2;
if (actTrackPos < endTrackPos) {
track.style.left = actTrackPos + step;
menuLeft.style.clip = "rect(0 " + (actTrackPos + step - menuStart) + " auto auto)";
menuRight.style.clip = "rect(0 auto auto " + (actTrackPos + step - menuStart + trackWidth) + ")";
trackHandle = setTimeout("moveTrack(" + endTrackPos + ", " + isAnimated + ")", 1);
}
else if (actTrackPos-step > endTrackPos) {
track.style.left = actTrackPos - step;
menuLeft.style.clip = "rect(0 " + (actTrackPos - step - menuStart) + " auto auto)";
menuRight.style.clip = "rect(0 auto auto " + (actTrackPos - step - menuStart + trackWidth) + ")";
trackHandle = setTimeout("moveTrack(" + endTrackPos + ", " + isAnimated + ")", 1);
}
else {
if (!menuActive)
track.src = "images/xlider_off.gif";
else
track.src = "images/xlider_on.gif";
}
}
oldTrackPos = endTrackPos;
}
function setActMenuItem(item,mode) {
if (mode == null) mode = true;
if (item > -1) {
menuActive = true;
menuEnabled = false;
oldTrackPos = trackMaxPos;
actMenuTrackPos = menuItemsPos[item];
moveTrack(actMenuTrackPos, mode);
}
else {
menuActive = false;
menuEnabled = false;
oldTrackPos = trackMinPos;
actMenuTrackPos = trackMaxPos;
moveTrack(actMenuTrackPos, mode);
}
}
function setNavigationMode(state, mode) {
if (!eventEnabled) return;
if (track == null) return;
switch (state) {
case 0: // Schieber aus
moveTrack(actMenuTrackPos, true);
active = false;
dir = 0;
break;
case 1: // Schieber an
active = true;
break;
}
}
function setEventEnabled(isEnabled) {
if (isEnabled) eventEnabled = true; else eventEnabled = false;
}