var idout;
  var leftPosition = 0;
  var currentLayer;

  DOM2 = (document.getElementById) ? 1 : 0;
  IE4  = (document.all) ? 1 : 0;
  NS4  = (document.layers) ? 1 : 0;

  function ShowLayer( menuName, left, top, desc ) {
    HideLayer( );
    if( !desc || !eval( desc + '_html' ) ) return;
    menu = menuName;
    if (idout) {
      clearTimeout(idout);
    }
    if( menu ) {
      if( layer = document.getElementById( 'FormToHide' ) ) {
        document.getElementById( 'FormToHide' ).style.visibility = 'hidden';
      }
      currentLayer = menu;
      eval( menu + ".show( )" );
    }
  }

  function HideLayer( menuName ) {
    if( layer = document.getElementById( 'FormToHide' ) ) {
      document.getElementById( 'FormToHide' ).style.visibility = 'visible';
    }

    if( currentLayer ) {
      menu = currentLayer;
    } else {
      menu = menuName;
    }
    if( menu ) {
      eval( menu + ".hide( )" );
    }
    currentLayer = "";
  }
  
  function Disable_TimeOut() {
      clearTimeout(idout);
  }

  function TimeOut( menuName, desc ) {
    if( !desc || !eval( desc + '_html' ) ) return;
    currentLayer = menuName;

    id = setTimeout("HideLayer( )", 1000);
    idout=id;
  }