var xmlHttp
var pageView

document.getElementById('kompetenzen').onclick = function() {
        getPage("kompetenzen_d.php");
        return false;
    }
    
document.getElementById('dienstleistungen').onclick = function() {
        getPage("dienstleistungen_d.php");
        return false;
    }
    
document.getElementById('kunden').onclick = function() {
        getPage("kunden_d.php");
        return false;
    }
    
document.getElementById('projekte').onclick = function() {
        getPage("projekte_d.php");
        return false;
    }
    
document.getElementById('geschichte').onclick = function() {
        getPage("geschichte_d.php");
        return false;
    }
    
document.getElementById('zertifizierung').onclick = function() {
        getPage("zertifizierung_d.php");
        return false;
    }
    
document.getElementById('firmenverbund').onclick = function() {
        getPage("firmenverbund_d.php");
        return false;
    }
             
document.getElementById('niederlassungen').onclick = function() {
        getPage("niederlassungen_d.php");
        return false;
    }
    
document.getElementById('stellenangebote').onclick = function() {
        getPage("stellenangebote_d.php");
        return false;
    }

document.getElementById('kontakt').onclick = function() {
        getPage("kontakt_d.php");
        return false;
    }                       

function getPage(url)
{

xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
pageView = url;
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
return false;
} 

function stateChanged() 
{ 
//document.getElementById("divcontent").innerHTML="<img src=\"images\ajax_loader.gif\">";


if(xmlHttp.readyState==4)
    {
    document.getElementById("divcontent").innerHTML=xmlHttp.responseText;
    pageView = '/'+pageView;
    _gaq.push(['_trackPageview', pageView]);
    getTDheight();
   }

}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
	
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}

 //TEST
//window.onscroll=updateoffset;
//setInterval("updateoffset()",500);

function updateoffset(){
    var offtop=winOfy();
    document.getElementById("tMenu").style.paddingTop = offtop+20;
}

if(!document.all) {
//setInterval("updateoffset()",1000);
}

// Simple Browser Check
var ns4 = (document.layers) ? 1 : 0;
var ie4 = (document.all) ? 1 : 0;
var ns6 = (document.getElementById && !document.all) ? 1 : 0;

// Browser Window OffSets
function winOfy(){
   return (ns4||ns6) ? window.pageYOffset : document.body.scrollTop;
}
function winOfx(){
   return (ns4||ns6) ? window.pageXOffset : document.body.scrollLeft; }
   
//TEST2
function getTDheight() {
var cell;
if (document.getElementById) {
cell = document.getElementById('divcontent');
}
else if (document.all) {
cell = document.all['divcontent'];
}
if (cell) {
//alert(cell.offsetWidth + 'x' + cell.offsetHeight);
document.getElementById("bg").style.height=cell.offsetHeight; 
document.getElementById("isologo").style.top=cell.offsetHeight-100;
document.getElementById("isologo").style.visibility="visible";
}
}