function focus_loginform(mySearchterm) {
   var mySearchterm = mySearchterm;
   if(document.loginform.username.value == mySearchterm) {
      document.loginform.username.value = "";
   }
}

function show_hoverbox(weg,myid) {
   if(weg == 1) {
      document.getElementById(myid).style.visibility = "visible";
   } else if(weg == 2) {
      document.getElementById(myid).style.visibility = "hidden";
   }
}

function focus_searchterm() {
   if(document.formsearch.searchterm.value == "Suche...") {
      document.formsearch.searchterm.value = "";
   }
}




//browser detection
var isNav=false;
var isIE=false;
var coll;
var style;
var activeMenu = 0;
var zusatz = 0;

if( parseInt(navigator.appVersion) >= 4){
   if(navigator.appName == "Netscape"){
      isNav = true;
      coll = "document.getElementById";
      style = "";
      //zusatz = window.innerWidth/2 - 501;
   } else {
      isIE = true;
      coll="document.all";
      style = ".style";
      //zusatz = window.document.documentElement.offsetWidth/2;
      //zusatz = zusatz.toFixed(0) - 511;
   }
}

var menu_aktiv = 0;
function menu(Rubrik, offset) {
   if(menu_aktiv != Rubrik) {
      var offset_neu = offset + zusatz;
      if (menu_aktiv) menu_zu("menu"+menu_aktiv);
      if (isNav) {
         eval('document.getElementById("' + 'subnavlist_' + Rubrik + '").style.top = 445');
         eval('document.getElementById("' + 'subnavlist_' + Rubrik + '").style.left = offset_neu');
      } else {
         eval('document.all["' + 'subnavlist_' + Rubrik + '"].style.pixelTop = 445');
         eval('document.all["' + 'subnavlist_' + Rubrik + '"].style.pixelLeft = offset_neu');
      }
   }
   menu_auf("subnavlist_"+Rubrik);
   menu_aktiv = Rubrik;
}

function menu_auf(menu_name){
   eval(coll + '("' + menu_name + '").style.visibility = "visible"');
}

function menu_zu(menu_name){
   eval(coll + '("' + menu_name + '").style.visibility = "hidden"');
}

function alleaus(){
   if (menu_aktiv) {
      menu_zu("subnavlist_"+menu_aktiv);
      menu_aktiv = 0;
   }
}

function init() {
   if (isNav) {document.captureEvents(Event.MOUSEUP);}
   document.onmouseup = alleaus;
} 

function focus_eingabe(mySearchterm, mySearchfield) {
   var mySearchterm = mySearchterm;
   if(document.mail.elements[mySearchfield].value == mySearchterm) {
      document.mail.elements[mySearchfield].value = "";
   }
}

function blur_eingabe(mySearchterm, mySearchfield) {
   var mySearchterm = mySearchterm;
   if(document.mail.elements[mySearchfield].value == '') {
      document.mail.elements[mySearchfield].value = mySearchterm;
   }
}