if ((navigator.appName=="Microsoft Internet Explorer") || (navigator.appName=="Netscape"))
{
  if (navigator.appName=="Microsoft Internet Explorer"){
  
    var nav_top = 521;
    var nav_height = 25;
    var max_height = 400;
    var min_height = 521;
  }
  
  else{
   
     var nav_top = 31;
    var nav_height = 25;
    var max_height = -90;
    var min_height = 30;
   }
  }
else
   {
    var nav_top = 37;
    var nav_height = 19;
    var max_height = -90;
    var min_height = 30;
}
var opa = 0;
var nav_zustand = "raus";
var bewegen;
var bewegen_rein;
function navi_bewegen_raus(){
  document.getElementById("NavigationsButton").style.background = " #000000 url(bilder/unten.gif) no-repeat right";
        if(nav_top > max_height){
          document.getElementById("navigation").style.marginTop = nav_top-10+"Px";
          document.getElementById("navigation").style.height = nav_height+10+"Px";
          nav_top = nav_top-10;
          nav_height = nav_height+10;
        }else{
       nav_zustand = "rein";
       window.clearInterval(bewegen);
              }
              document.getElementById("inhalt_leer").style.visibility = "visible";
        
        } 
             
function navi_bewegen_rein(){
    document.getElementById("NavigationsButton").style.background = " #000000 url(bilder/oben.gif) no-repeat right";
        if(nav_top < min_height){
          document.getElementById("navigation").style.marginTop = nav_top+10+"Px";
          document.getElementById("navigation").style.height = nav_height-10+"Px";
         nav_top = nav_top+10;
          nav_height = nav_height-10;
        }else{
        nav_zustand = "raus";
        window.clearInterval(bewegen_rein);
         }
        document.getElementById("inhalt_leer").style.visibility = "hidden";
        } 
        
        
function navi(){

if(nav_zustand == "raus"){
bewegen = window.setInterval("navi_bewegen_raus()",50);
document.getElementById("NavigationsButton").innerHTML = "Navigation";

  if(document.getElementById("inhalt_leer").style.visibility=="hidden"){
  document.getElementById("schwarzbild").style.display = "block";
  }
}else{
document.getElementById("schwarzbild").style.display = "none";
bewegen_rein = window.setInterval("navi_bewegen_rein()",50);
document.getElementById("NavigationsButton").innerHTML = "";
}
}

function navi_start(){
bewegen = window.setInterval("navi_bewegen_raus()",50);
document.getElementById("schwarzbild").style.display = "block";
}

function geladen(){
document.body.style.background = "#D7D7D7 url(bilder/ColageHG.jpg) top center no-repeat";
document.getElementById("alles").style.display = "block";
document.getElementById("anfang").style.display = "none";
}


function anzeigen(was){
document.getElementById("inhalt_leer").style.visibility = "visible";
document.getElementById("schwarzbild").style.display = "block";

new Ajax.Updater("inhalt_leer", "inhalte/"+was+".php");

// Ajax mit Überblendung wollte aber keiner 
/*var myajax = new Ajax.Request("inhalte/"+was+".php");
,{ onSuccess: function (transport) { 
				  var data = transport.responseText; 
				  new Effect.Fade('inhalt_leer', { afterFinish: function () { 
				     $('inhalt_leer').update(data); 
				     new Effect.Appear('inhalt_leer'); 
				     } 
				   }); 
			}});*/ 

document.getElementById("unternehmenbutton").className = 'menupunkt';
document.getElementById("kontaktbutton").className = 'menupunkt';
document.getElementById("fuhrparkbutton").className = 'menupunkt';
document.getElementById("werkstattbutton").className = 'menupunkt';
document.getElementById("jobsbutton").className = 'menupunkt';
document.getElementById("leistungbutton").className = 'menupunkt';
document.getElementById("zertifikatebutton").className = 'menupunkt';
document.getElementById("unternehmenbutton").className = 'menupunkt';

if(was!="disponenten" && was!="anfahrt" && was!="kontaktformular" && was!="impressum" && was!="bremen" && was!="langensalza"  && was!="recklinghausen" && was!="firmensitz" && was!="ansprechpartner"){
document.getElementById(""+was+"button").className = 'menu_active';
}

if(was=="anfahrt" || was=="disponenten" || was=="kontaktformular" || was=="ansprechpartner"){
document.getElementById("kontaktbutton").className = 'menu_active';
}


//document.getElementById(was).style.display = 'block';
}


//firmenwegweiser


var wo = "partner_1";

function partnervor(){

document.getElementById("partner_1").style.display = "none";
document.getElementById("partner_2").style.display = "none";
document.getElementById("partner_3").style.display = "none";

if(wo == "partner_1"){
wo = "partner_2";
document.getElementById("u_hg").style.backgroundImage = "url(bilder/unternehmen_eunds_n.gif)";
document.getElementById("u_hg").style.backgroundPosition = "50px 22px";
} else if(wo == "partner_2"){
wo = "partner_3";
document.getElementById("u_hg").style.backgroundImage = "none";
}else if(wo == "partner_3"){
wo = "partner_1";
document.getElementById("u_hg").style.backgroundImage = "url(bilder/unternehmen_millex_n.gif)";
document.getElementById("u_hg").style.backgroundPosition = "110px 75px";
}
 
 
document.getElementById(wo).style.display = "block";

   
}

function partnerruck(){

document.getElementById("partner_1").style.display = "none";
document.getElementById("partner_2").style.display = "none";
document.getElementById("partner_3").style.display = "none";

if(wo == "partner_1"){
wo = "partner_3";
document.getElementById("u_hg").style.backgroundImage = "none";
} else if(wo == "partner_2"){
wo = "partner_1";
document.getElementById("u_hg").style.backgroundImage = "url(bilder/unternehmen_millex_n.gif)";
document.getElementById("u_hg").style.backgroundPosition = "110px 75px";
}else if(wo == "partner_3"){
wo = "partner_2";
document.getElementById("u_hg").style.backgroundImage = "url(bilder/unternehmen_eunds_n.gif)";
document.getElementById("u_hg").style.backgroundPosition = "50px 22px";
}
 

document.getElementById(wo).style.display = "block";

}

//kontaktformular

var firmenname = "Nachname!";
function andern(was){
 
if(was=="Firma"){
document.getElementById("typename").innerHTML = "Firmenname";
document.getElementById("typename2").innerHTML = "Ansprechpartner*";
firmenname = "Ansprechpartner!";
}else{
document.getElementById("typename").innerHTML = "Vorname";
document.getElementById("typename2").innerHTML = "Nachname*";
firmenname = "Nachname!";
}
}
 
 
function prufen(){
var ansage = "Bitte füllen Sie folgende Felder aus: \n";
var fehler = "nein";
if(document.kf.Nachname.value==""){
ansage = ansage + firmenname+"\n";
fehler = "ja";
}
if(document.kf.Nachricht.value==""){
ansage = ansage + "Nachricht!\n";
fehler = "ja";
}
if(document.kf.Telefon.value=="" & document.kf.Email.value=="" ){
ansage = ansage + "Telefonnummer oder Emailadresse!\n";
fehler = "ja";
}
if (fehler=="ja"){
alert (ansage);
return false;
}else{
return true;
}
}