ie = document.all ? 1 : 0
n = document.layers ? 1 : 0
ns6 = document.getElementById && !document.all ? 1 : 0

//These are the variables you have to set:

//How much of the layer do you wan't to be visible when it's in the out state?
lshow = 28

//How many pixels should it move every step? 
var move = 10;

//At what speed (in milliseconds, lower value is more speed)
menuSpeed = 40

//Do you want it to move with the page if the user scroll the page?
var moveOnScroll = true



var ltop;
var tim = 0;

//Object constructor
function makeMenu(obj, nest) {
    nest = (!nest) ? '' : 'document.' + nest + '.'
    if (n) this.css = eval(nest + 'document.' + obj)
    else if (ns6) this.css = document.getElementById(obj).style
    else if (ie) this.css = eval(obj + '.style')
    this.state = 1
    this.go = 0
    if (n) this.width = this.css.document.width
    else if (ns6) this.width = document.getElementById(obj).offsetWidth
    else if (ie) this.width = eval(obj + '.offsetWidth')
    this.left = b_getleft
    this.obj = obj + "Object"; eval(this.obj + "=this")
}
//Get's the top position.
function b_getleft() {
    if (n || ns6) { gleft = parseInt(this.css.left) }
    else if (ie) { gleft = eval(this.css.pixelLeft) }
    return gleft;
}

function moveMenu() {
    if (!oMenu.state) {
        clearTimeout(tim)
        mIn()
    } else {
        clearTimeout(tim)
        mOut()
    }
}
//Menu in
function mIn() {
    if (oMenu.left() > -oMenu.width + lshow) {
        oMenu.go = 1
        oMenu.css.left = oMenu.left() - move
        tim = setTimeout("mIn()", menuSpeed)
    } else {
        oMenu.go = 0
        oMenu.state = 1
    }
}
//Menu out
function mOut() {
    if (oMenu.left() < 0) {
        oMenu.go = 1
        oMenu.css.left = oMenu.left() + move
        tim = setTimeout("mOut()", menuSpeed)
    } else {
        oMenu.go = 0
        oMenu.state = 0
    }
}

function checkScrolled() {
    if (!oMenu.go) oMenu.css.top = eval(scrolled) + parseInt(ltop)
    if (n || ns6) setTimeout('checkScrolled()', 30)
}

function menuInit() {
    oMenu = new makeMenu('divMenu')
    if (n || ns6) scrolled = "window.pageYOffset"
    else if (ie) scrolled = "document.body.scrollTop"
    oMenu.css.left = -oMenu.width + lshow
    if (n || ns6) ltop = oMenu.css.top
    else if (ie) ltop = oMenu.css.pixelTop
    oMenu.css.visibility = 'visible'
    if (moveOnScroll) ie ? window.onscroll = checkScrolled : checkScrolled();
}