function nav_deselect(selpage)
{
  if (parent.nav)
  {
    parent.nav.document.getElementById('welcome').className = 'nav';
    parent.nav.document.getElementById('person').className = 'nav';
    parent.nav.document.getElementById('leitlinien').className = 'nav';
    parent.nav.document.getElementById('kompetenzfelder').className = 'nav';
    parent.nav.document.getElementById('aktuelles').className = 'nav';
    parent.nav.document.getElementById('ansichten').className = 'nav';
    parent.nav.document.getElementById('downloads').className = 'nav';
    parent.nav.document.getElementById('links').className = 'nav';
    parent.nav.document.getElementById('kontakt').className = 'nav';
    parent.nav.document.getElementById('impressum').className = 'nav';
    
    if (selpage)
      parent.nav.document.getElementById(selpage).className = 'navsel';
  }
  else
  {
    window.location = "index.html?target=" + selpage;
  }
}