/********************************************************************************
Copyright (C) 1999 Thomas Brattli
This script is made by and copyrighted to Thomas Brattli at www.bratta.com
Visit for more great scripts. This may be used freely as long as this msg is intact!
I will also appriciate any links you could give me.
********************************************************************************/
//Default browsercheck, added to all scripts!
function checkBrowser(){
    this.ver=navigator.appVersion
    this.dom=document.getElementById?1:0
    this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
    this.ie4=(document.all && !this.dom)?1:0;
    this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
    this.ns4=(document.layers && !this.dom)?1:0;
    this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
    return this
}
bw=new checkBrowser()
var stayFolded=false
foldImg=1
var exImg=new Image(); exImg.src='images/staron.gif'
var unImg=new Image(); unImg.src='images/staroff.gif'
function makeMenu(obj,nest){
    nest=(!nest) ? '':'document.'+nest+'.'                                      
    this.css=bw.dom? 
document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+"document.layers." +obj):0;
this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0;   
    this.ref=bw.dom || bw.ie4? document:bw.ns4?eval(nest+"document.layers." +obj+".document"):0;
    this.x=(bw.ns4 || bw.ns5)? this.css.left:this.css.pixelLeft;
    this.y=(bw.ns4 || bw.ns5)? this.css.top:this.css.pixelTop;      
    this.height=bw.ns4?this.ref.height:this.el.offsetHeight;        
    this.hideIt=b_hideIt; this.showIt=b_showIt; this.vis=b_vis; this.moveIt=b_moveIt                                            
    return this
}
function b_showIt(){this.css.visibility="visible"}
function b_hideIt(){this.css.visibility="hidden"}
function b_vis(){if(this.css.visibility=="hidden" || this.css.visibility=="hide") return true;}
function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x; this.css.top=this.y}
function init(){
    oTop=new Array()
    oTop[0]=new makeMenu('divTop1','divCont')
    oTop[1]=new makeMenu('divTop2','divCont')
    oTop[2]=new makeMenu('divTop3','divCont')
    oTop[3]=new makeMenu('divTop4','divCont')
    oSub=new Array()
    oSub[0]=new makeMenu('divSub1','divCont.document.divTop1')
    oSub[1]=new makeMenu('divSub2','divCont.document.divTop2')
    oSub[2]=new makeMenu('divSub3','divCont.document.divTop3')
    for(i=0;i<oSub.length;i++){ oSub[i].hideIt() }
    for(i=1;i<oTop.length;i++){ oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].height) }
    oCont=new makeMenu('divCont')
    oCont.showIt()
}
/************************************************************************************
This is the function that changes the sub menus to folded or unfolded state.
************************************************************************************/
function menu(num){
    if(bw.bw){
        if(!stayFolded){
            for(i=0;i<oSub.length;i++){
                if(i!=num){
                    oSub[i].hideIt()
                    if(foldImg)oTop[i].ref["imgA"+i].src=unImg.src
                }
            }
            for(i=1;i<oTop.length;i++){
                oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].height)
            }
        }
        if(oSub[num].vis()){
            oSub[num].showIt()
            if(foldImg)oTop[num].ref["imgA"+num].src=exImg.src
        }else{
            oSub[num].hideIt()
            if(foldImg)oTop[num].ref["imgA"+num].src=unImg.src
        }
        for(i=1;i<oTop.length;i++){ 
            if(!oSub[i-1].vis()) oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].height+oSub[i-1].height) 
            else oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].height)
        }
    }
}
//Initiating the menus onload, if it's a 4.x+ browser.
if(bw.bw) onload=init;

function newWindow(content)
{
readWindow = window.open(content,'readWin', 'scrollbars=yes,width=600,height=500')
readWindow.focus() 
}