function change(){
/*    a = document.getElementsByTagName("link")[0];
    a.disabled = true;

    if(screen.width>1024)
    {
        a = document.getElementsByTagName("link")[0];
        a.disabled = true;
        b =document.getElementsByTagName("link")[1];
        b.disabled = false;

    }
    else
    {
        a = document.getElementsByTagName("link")[1];
        a.disabled = true;
        b =document.getElementsByTagName("link")[0];
        b.disabled = false;
    }*/
}

function stylesheet()
{
  if(screen.width>1024)
  {
        return "<link rel='stylesheet' type='text/css' href='style2.css'>";
  }
  else
        return"<link rel='stylesheet' type='text/css' href='style1.css'>";


}
function oeffnen(url)  {
Fenster = window.open(url,"Hilfe","width=300,height=400");
}
function neues_fenster(url)  {
Fenster = window.open(url,'actual','width=1024,height=700,status=yes,resizeable=yes,scrollbars=yes,menubar=yes,toolbar=yes');
}

function BreiteFestlegen () {

    if(window.innerWidth<800)
        window.innerWidth = 800;
}


function correctURL(url)
{
		url.href = url.href.replace(/\(at\)/, "@");
}