function swapImage( myName, myOver ) {
  var myPath = "../files/navigation/";
  if( document.images ) {
    if( myOver == 1 ) {
      document.images[myName].src = myPath + "knopf_beige.gif";
    }
    else {
      document.images[myName].src = myPath + "knopf_ohne.gif";
    }
  }
}

function myPopup( target ) {
  window.open( target, 'Hotelarchitekten', 'width=640,height=480,left=40,top=30,resizable=yes' );
}