// hilfsfunktionen, um timingprobleme des menüs bei nn 4.7 zu verringern:
var isovermenu = false;
var isoverlayer = false;
function menuover() { isovermenu = true; }
function menuout() { isovermenu = false; }
function layerover() { isoverlayer = true; }
function layerout() { isoverlayer = false; }
function anzeigenPopup()
{
 anzwin = open("popup_anzeigen.html","Anzeigen","width=310,height=400,screenX=0,screenY=0");
}
//---------------------------------------------------------------


// ShowLayer 4 NN6.x
function showHideLayers() { //v3.0A Modified by CJO & SKR for NN6 Compatibility
  var i,p,v,obj,args=showHideLayers.arguments;if(document.getElementById){
   for (i=0; i<(args.length-2); i+=3){ obj=tmt_findObj(args[i]);v=args[i+2];
   v=(v=='show')?'visible':(v='hide')?'hidden':v;
   if(obj)obj.style.visibility=v;}} else{
  for (i=0; i<(args.length-2); i+=3) if ((obj=findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }}
}
// onLoad + onMouseOver + ShowLayer
function swapImgRestore() { //v3.0
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}
function findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}
function swapImage() { //v3.0
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function showHideLayers() { //v3.0
  var i,p,v,obj,args=showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}


// Tauscht TD-Hintergrundfarbe fü einen oberen Navigationspunkt
function topnavChange(element, onoff) {
 document.getElementById("tnav" + element).className = "eon_topnav_" + onoff;
}
// Tauscht TR-Hintergrundfarbe fü eine Zeile im Dropdown-Menüt
function ddChange(element, onoff) {
 document.getElementById("ddnav" + element).className = "eon_dd_" + onoff;
}

// Tauscht TR-Hintergrundfarbe für Navigationsüberschrift
function navChange(element, onoff) {
 document.getElementById("navhd" + element).className = "eon_navtitle_" + onoff;
}


// Tauscht TR-Hintergrundfarbe für offenen Bereich
function navChangeopen(element, onoff) {
 document.getElementById("navhd" + element).className = "eon_navopen_" + onoff;
}


// Universal Exchange:
function exChange(element, classname) {
 document.getElementById(element).className = classname;
}