hallo!

im folgenden code liegt irgendwo der hund begraben, dass das menü zwar im IE fehlerfrei, aber im NS7 bzw. Firefox gar nicht angezeigt wird!
woran kann das liegen?

hoffe auf eure hilfe
jari

<style type="text/css">
#divCont {position:absolute; z-index:1; left:10px; top:20px; height:400px; width:170px; visibility:hidden;}
.clTop   {position:absolute; z-index:1; width:170px; line-height:16px;}
.clSub   {position:absolute; z-index:1; left:0px; top:20px; width:170px; line-height:0px;}

/*** This sets the style for the links inside the menu. ***/
#divCont .clTop a {color:#333333; font-family:verdana,arial,helvetica,sans-serif; font-size:13px; font-weight:bold; text-decoration:none;}
#divCont .clTop a:hover {color:#666666; font-family:verdana,arial,helvetica,sans-serif; font-size:13px; font-weight:bold; text-decoration:none;}
#divCont .clTop .clSub a {color:#666666; font-family:verdana,arial,helvetica,sans-serif; font-size:11px; font-weight:bold; text-decoration:none;}
#divCont .clTop .clSub a:hover {color:#000000; font-family:verdana,arial,helvetica,sans-serif; font-size:11px; font-weight:bold; text-decoration:none;}
</style>
<script language="JavaScript" type="text/javascript">
<!--
function lib_bwcheck(){ //Browsercheck (needed)
 this.ver=navigator.appVersion
 this.agent=navigator.userAgent
 this.dom=document.getElementById?1:0
 this.opera5=this.agent.indexOf("Opera 5")>-1
 this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0;
 this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
 this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
 this.ie=this.ie4||this.ie5||this.ie6
 this.mac=this.agent.indexOf("Mac")>-1
 this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0;
 this.ns4=(document.layers && !this.dom)?1:0;
 this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
 return this
}
var bw=new lib_bwcheck()

/*** variables you can configure ***/

FoldNumber = 8     //How many toplinks do you have?
var stayFolded = false   //Stay open when you click a new toplink?
foldImg = 1      //Do you want images (if not set to 0 and remove the images from the body)?
mainOffsetY = -3     //Vertical space adjustment between the main items, in pixels.

//This is the default image.
//Remember to change the actual images in the page as well, but remember to keep the name of the image.
var unImg=new Image();
unImg.src='images/buttons/pfeil_off.gif'

var exImg=new Image();     //Making an image variable...
exImg.src='images/buttons/pfeil_on.gif' //...this is the source of the image that it changes to when the menu expands.

// NOTE: if you change the position of divCont from absolute to relative, you can put the foldoutmenu in a table.
// HOWEVER it will no longer work in netscape 4. If you wish to support netscape 4, you have to use absolute positioning.

/*** There should be no need to change anything beyond this. ***/

// A unit of measure that will be added when setting the position of a layer.
var px = bw.ns4||window.opera?"":"px";

if(navigator.userAgent.indexOf('Opera')>-1 && document.getElementById){ //Opera 5 resize fix.
 scrX= innerWidth; scrY= innerHeight;
 document.onmousemove= function(){
  if(scrX<innerWidth-10 || scrY<innerHeight-10 || scrX>innerWidth+10 || scrY>innerHeight+10){
   scrX = innerWidth;
   scrY = innerHeight;
   initFoldout();
  }
 };
}

//object constructor...
function makeMenu(obj,nest){
 nest= (!nest)?"":'document.'+nest+'.';
 this.el= bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):document.getElementById(obj);
    this.css= bw.ns4?this.el:this.el.style;
 this.ref= bw.ns4?this.el.document:document;
 this.x= (bw.ns4||bw.opera5)?this.css.left:this.el.offsetLeft;
 this.y= (bw.ns4||bw.opera5)?this.css.top:this.el.offsetTop;
 this.h= (bw.ie||bw.ns6)?this.el.offsetHeight:bw.ns4?this.ref.height:bw.opera5?this.css.pixelHeight:0;
    this.vis= b_vis;
 this.hideIt= b_hideIt;
    this.showIt= b_showIt;
    this.moveIt= b_moveIt;
 return this
}
//object methods...
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=='HIDDEN' || this.css.visibility=='hide') return true;}
function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x+px; this.css.top=this.y+px}