// browsercheck
var ns4 = 0;
var ie4 = 0;
var w3c = 0;
var dhtml	= 0;
if (document.getElementById){
w3c = 1;
layerRef=
"document.getElementById"
;
dhtml = 1;
}
else if (document.layers) {
ns4 = 1;
layerRef=
"document.layers."
;
dhtml = 1;
}
else if (document.all) {
ie4 = 1;
layerRef=
"document.all."
;	
dhtml = 1;
}
//Menu Vars
var HeadMenuDelay = -1;
var openHeadMenu = 0;
var Delay = 1000;
function handleHeadMenu(nr,direction) {
if(direction) {
if(HeadMenuDelay != -1) {
clearTimeout(HeadMenuDelay);
HeadMenuDelay = -1;
}
if(openHeadMenu != nr) {
showHeadMenu(nr);
}
} else {
HeadMenuDelay = setTimeout(
"closeHeadMenu("
+nr+
")"
,Delay);
}
return true;
}
function closeHeadMenu(nr) {
clearTimeout(HeadMenuDelay);
HeadMenuDelay = -1;
if(nr > 0) {
if (ns4 && document.layers[
"headmenu"
+nr]) {
document.layers[
"headmenu"
+nr].visibility = 
"hide"
} else if (w3c && document.getElementById(
"headmenu"
 + nr) && document.getElementById(
"headmenu"
 + nr).style) {
document.getElementById(
"headmenu"
 + nr).style.visibility = 
"hidden"
;
} else if (ie4 && document.all[
"headmenu"
+nr] && document.all[
"headmenu"
+nr].style) {
document.all[
"headmenu"
+nr].style.visibility = 
"hidden"
;
}
}
openHeadMenu = 0;
return 1;
}
function showHeadMenu(nr) {
if(openHeadMenu > 0) {
closeHeadMenu(openHeadMenu);
}
if(nr > 0) {
if (ns4 && document.layers[
"headmenu"
+nr]) {
document.layers[
"headmenu"
+nr].visibility = 
"show"
} else if (w3c && document.getElementById(
"headmenu"
 + nr) && document.getElementById(
"headmenu"
 + nr).style) {
document.getElementById(
"headmenu"
 + nr).style.visibility = 
"visible"
;
} else if (ie4 && document.all[
"headmenu"
+nr] && document.all[
"headmenu"
+nr].style) {
document.all[
"headmenu"
+nr].style.visibility = 
"visible"
;
}
}
openHeadMenu = nr;
return 1;
}
//NS4 Event-Functions
function callShowHandler() { handleHeadMenu(openHeadMenu,1); }
function callHideHandler() { handleHeadMenu(openHeadMenu,0); }