/* function-lib */
function autoInsertTargets ( )
{
  for ( var i = 0 ; i < document.links.length ; ++ i )
    if ( document.links [ i ] .hostname != window.location.hostname )
      document.links [ i ] .target = "_blank" ;
  return ;
} // ende function insertTarget


function insertTarget ( objekt )
{
  objekt.target = '_blank' ;
  return ;
} // ende function insertTarget

/* Funktion für Leistungsspektrum */
function anzeigen ( was ) {
  var Feld = new Array ( "mikroskop" , "ultraschall" ,
                         "hrt" , "vep" , "opto" ,
                         "gesichtsfeld" , "nyktometer" ,
                         "anomaloskop" , "refraktometer" ,
                         "scheitelbrechwertmesser" ,
                         "glaucom" , "laser" ,
                         "operation" , "kunstaugen" ,
                         "begutachtung" ) ;
  var element ;
  for ( var i = 0 ; i < Feld.length ; i ++ )
  {
    element = Feld[ i ] ;
    if ( was == element )
    {
      element += "L" ;
      document.getElementById ( element ) . style.visibility = "visible" ;
      document.getElementById ( element ) . style.display = "block" ;
      document.getElementById ( element ) . style.height = "auto" ;
      document.getElementById ( element ) . style.lineheight = "auto" ;
    }
    else
    {
      element += "L" ;
      document.getElementById ( element ) . style.visibility = "hidden" ;
      document.getElementById ( element ) . style.display = "none" ;
      document.getElementById ( element ) . style.height = "0" ;
      document.getElementById ( element ) . style.lineheight = "0" ;
    }
  }
  if ( was != "" )
  {
    document.getElementById ( "anfang" ) . style.display = "none" ;
    document.getElementById ( "anfang" ) . style.height = "0" ;
    document.getElementById ( "anfang" ) . style.width = "0" ;
  }
  else
  {
    document.getElementById ( "anfang" ) . style.display = "block" ;
    document.getElementById ( "anfang" ) . style.height = "auto" ;
    document.getElementById ( "anfang" ) . style.width = "auto" ;
  }
  return false;
//  return true;
}