function Select_Buchart_anzeigen()
{

  //Testen, ob SelectBox existent (body-Tag in default.tpl)
  if (document.viewdetail && document.viewdetail.PublicationPublicationTypeId)
    {
    //Sind Bücher (ID=1) ausgewählt?
    if (document.viewdetail.PublicationPublicationTypeId.options[1].defaultSelected)
      {
      document.getElementById("subtype_row").style.display = "block";
      }

    if (document.viewdetail.PublicationPublicationTypeId.value == 1)
      {
      document.getElementById("subtype_row").style.display = "block";
      }
      else
      {
      document.getElementById("subtype_row").style.display = "none";
    	}

      if (document.getElementById("subtype_row").style.display == "none")
        {
    		document.viewdetail.PublicationPublicationSubTypeId.selectedIndex = 0;
      	}

    }  //endif document.viewdetail && document.viewdetail.filterType
    return true;
}