/***********************************************
* @version 1.0.0 - 20.06.2007
* @package Blumenwerkstatt
* @author Frank Essers
* @copyright (C) 2007 blumenwerkstatt-blank.ch
* @description Javascript to show 
***********************************************/

var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var horizontaloffset=2 //horizontal offset of menu from default location. (0-5 is a good value)

/////No further editting needed

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
document.write('<div id="dropmenudiv" style="visibility:hidden;width: 160px" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

function getposOffset(what, offsettype) {
    var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
    var parentEl=what.offsetParent;
    while (parentEl!=null) {
        totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
        parentEl=parentEl.offsetParent;
    }
    return totaloffset;
}


function showhide(obj, e, visible, hidden, menuwidth) {
    if (ie4||ns6)
        dropmenuobj.style.left=dropmenuobj.style.top=-500
    dropmenuobj.widthobj=dropmenuobj.style
    dropmenuobj.widthobj.width=menuwidth
    if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
        obj.visibility=visible
    else if (e.type=="click")
        obj.visibility=hidden
}

function iecompattest() {
    return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge) {
    var edgeoffset=0
    if (whichedge=="rightedge") {
        var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
        dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
        if (windowedge-dropmenuobj.x-obj.offsetWidth < dropmenuobj.contentmeasure)
            edgeoffset=dropmenuobj.contentmeasure+obj.offsetWidth
    } else {
        var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
        var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
        dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
        if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure) { //move menu up?
            edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight
            if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either? (position at top of viewable window then)
                edgeoffset=dropmenuobj.y
        }
    }
    return edgeoffset
}

function populatemenu(what) {
    if (ie4||ns6)
        dropmenuobj.innerHTML=what.join("")
}


function dropdownmenu(obj, e, menucontents, menuwidth) {
    if (window.event) event.cancelBubble=true
    else if (e.stopPropagation) e.stopPropagation()
    clearhidemenu()
    dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
    populatemenu(menucontents)

    if (ie4||ns6) {
        showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
        dropmenuobj.x=getposOffset(obj, "left")
        dropmenuobj.y=getposOffset(obj, "top")
        dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+obj.offsetWidth+horizontaloffset+"px"
        dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+"px"
    }
    return clickreturnvalue()
}

function clickreturnvalue() {
    if (ie4||ns6) return false
    else return true
}

function contains_ns6(a, b) {
    while (b.parentNode)
    if ((b = b.parentNode) == a)
    return true;
    return false;
}

function dynamichide(e) {
    if (ie4&&!dropmenuobj.contains(e.toElement))
        delayhidemenu()
    else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
        delayhidemenu()
}

function hidemenu(e){
    if (typeof dropmenuobj!="undefined") {
        if (ie4||ns6)
            dropmenuobj.style.visibility="hidden"
    }
}

function delayhidemenu() {
    if (ie4||ns6)
        delayhide=setTimeout("hidemenu()",disappeardelay)
}

function clearhidemenu() {
    if (typeof delayhide!="undefined")
        clearTimeout(delayhide)
}