<!--
//sub_navs=new Array("subnavmat", "subnavproj", "subnavpost", "subnavcomp");
sub_navs=new Array("subnavmat", "subnavproj", "subnavpost", "subnavcomp", "subnavnews");
subsub_navs=new Array("subsubnavhmi", "subsubnavkunstlicht", "subsubnavled", "subsubnavshowlicht", "subsubnavperipherie", "subsubnavrigg", "subsubnavstrom", "subsubnavfuhrpark");
var t0;

function show_sub(id){
	window.clearTimeout(t0);
	hide_subs();
	obj=document.getElementById(id);
	if(obj)obj.style.visibility = "visible";
}
function dont_show_sub(){
	window.clearTimeout(t0);
	hide_subs();
}
function show_subsub(id){
	window.clearTimeout(t0);
	hide_subsubs();
	obj=document.getElementById(id);
	if(obj)obj.style.visibility = "visible";
}
function hide_subs_later(){
	t0=window.setTimeout("hide_subs_show_def_sub()",1000);
}
function hide_subs(){
	for (i=0;i<5;i++){	                                    // FF: von 4 auf 5 gesetzt wegen neuem subnavnews
		obj=document.getElementById(sub_navs[i]);
		if(obj)obj.style.visibility = "hidden"; 
	}
	hide_subsubs();
}
function hide_subsubs(){
	for (i=0;i<8;i++){
		obj=document.getElementById(subsub_navs[i]);
		if(obj)obj.style.visibility = "hidden"; 
	}
}
function hide_subs_show_def_sub(){
	for (i=0;i<5;i++){
		obj=document.getElementById(sub_navs[i]);
		if(obj)obj.style.visibility = "hidden"; 
	}
	for (i=0;i<8;i++){
		obj=document.getElementById(subsub_navs[i]);
		if(obj)obj.style.visibility = "hidden"; 
	}
	if(def_sub && def_sub!=""){
		obj=document.getElementById(def_sub);
		if(obj)obj.style.visibility = "visible";
	}
	if(def_subsub && def_subsub!=""){
		obj=document.getElementById(def_subsub);
		if(obj)obj.style.visibility = "visible";
	}
}
function clear_t0(){
	window.clearTimeout(t0);
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->