/*
 * Copyright (c) 1999 Polzin GmbH, Duesseldorf. All Rights Reserved.
 * Author: Lutz Eymers <ixtab@polzin.com>
 * Download: http://www.polzin.com/inet/fset_inet.phtml?w=goodies
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for any purposes and without fee
 * is hereby granted provided that this copyright notice
 * appears in all copies.
 *
 * Of course, this software is provided "as is" without express or implied
 * warranty of any kind.
 *
 */

//window.onError=null;

var idx=0
var treeId = new Array();
var treeP_id = new Array();
var treeIsOn = new Array();
var treeTyp = new Array();
var treeName = new Array();
var treeUrl = new Array();
var treeWasOn = new Array();
var treeDeep = new Array();
var treeLastY = new Array();
var treeIsShown = new Array();

function Note( id,p_id,name,url ) {
  treeId[ idx ] = id
  treeP_id[ idx ] = p_id
  treeIsOn[ idx ] = false
  treeTyp[ idx ] = 'f'
  treeName[ idx ] = name
  treeUrl[ idx ] = url
  treeWasOn[ idx ] = false
  treeDeep[ idx ] = 0
  treeLastY[ idx ] = 0
  treeIsShown[ idx ] = false
  idx++
}

function initDiv ( )
{
  if ( isDOM || isDomIE  )
  {
    divPrefix='<DIV style="position:absolute; left:'+x0+'; top:0; visibility:hidden;" ID="sitemap'
    divInfo='<DIV CLASS="sitemap" style="position:absolute; visibility:visible left:'+x0+'px; top:0;" ID="sitemap'
  }
  else
  {
    divPrefix='<DIV ID="sitemap'
    divInfo='<DIV CLASS="sitemap" ID="sitemap'
  }
  document.writeln( divInfo +  'info">Bitte haben Sie etwas Geduld.<BR>&nbsp;<BR>Es werden die Eintr&auml;ge aus<BR>&nbsp;<BR>der Datenbank initialisiert.</DIV> ' );


  onFocusTxt=' onFocus="if(this.blur) this.blur()"'
  if (activeVsBlurOnIE && isIE ) onFocusTxt=''

  for ( var i=1; i<idx; i++ )
  {
    // linked Name ?
    if ( treeUrl[i] != '' )
      linkedName = '<A HREF=' + treeUrl[i] + (treeTyp[i]=='f'&&clickOnFolderName||resetPanelOnBookmarkClick||resetPanelOnClick?' onClick="sitemapClick(' + treeId[i] + ', 1 )"':'') + onFocusTxt  +'>' + treeName[i] + '</A>'
    else
      if (treeTyp[i]=='f' && clickOnFolderName)
        linkedName = '<A HREF="javascript:sitemapClick(' + treeId[i] + ')" onFocus="if(this.blur) this.blur()">' + treeName[i] + '</A>'
      else
        linkedName =  treeName[i]
    // folder  or  bookmarks
    if ( treeTyp[i] == 'b' )
      iconImg = '<IMG SRC="/screennavigation/file.gif" BORDER="0" HEIGHT="' + deltaY + '" WIDTH="12" HSPACE="0" VSPACE="0">'
    else
      if (clickOnFolderIcon && treeUrl[i] != '' )
        iconImg = '<A HREF="' + treeUrl[i] + ' onClick="sitemapClick(' + treeId[i] + ')" onFocus="if(this.blur) this.blur()"><IMG SRC="folder_off.gif" BORDER="0" NAME="folder' + treeId[i] + '" HEIGHT="10" WIDTH="10" HSPACE="0" VSPACE="0"></A>'
      else
      iconImg = '<A HREF="javascript:sitemapClick(' + treeId[i] + ')" onFocus="if(this.blur) this.blur()"><IMG SRC="folder_off.gif" BORDER="0" NAME="folder' + treeId[i] + '" HEIGHT="10" WIDTH="10" HSPACE="0" VSPACE="0"></A>'

    folder_deep = treeDeep[ id2treeIndex[ treeId[i] ] ]
    folder_style = (folder_deep?'top':'sub')
    spacerX = folder_deep * deltaX + ((showFolderIcon==3||showFolderIcon==1)&&treeTyp[i]=='b'?deltaImg:0)

    tdSpacer=''
    if (spacerX) tdSpacer='<TD><IMG ALIGN="absmiddle" SRC="/screennavigation/file.gif" BORDER="0" WIDTH="' + (spacerX) + '" ></TD>'

    tdIcon=''
    tdIconWidth=0
    if (treeTyp[i]=='f' && showFolderIcon) {
      tdIcon='<TD WIDTH="' + deltaImg + '">' + iconImg  + '</TD>'
      tdIconWidth=deltaImg
    }

    document.writeln( divPrefix + treeId[i] + '" CLASS="sitemap' + folder_style + '"><NOBR><TABLE WIDTH="' + deltaL + '" BORDER="0" CELLSPACING="0" CELLPADDING="0"><TR VALIGN="middle">' + (showFolderIcon!=1?tdSpacer+tdIcon:tdIcon+tdSpacer) + '<TD WIDTH="' + (deltaL-spacerX-tdIconWidth) +'">' + '&nbsp;<IMG ALIGN="absmiddle" SRC="/screennavigation/file.gif" BORDER="0" WIDTH="0" >' + linkedName + '</TD></TR></TABLE></NOBR></DIV><BR>')
  }
}

function initStyles ( )
{
  document.writeln( '<STYLE TYPE="text/css">' + "\n" + '<!--' )
  for ( var i=1,y=y0; i<idx; i++ )
  {
    document.writeln( '#sitemap' + treeId[i] + ' {POSITION: absolute; VISIBILITY: hidden;  LEFT: '+x0+'px; TOP: '+y0+'px}' )
    if ( treeIsOn[ id2treeIndex[ treeP_id[i] ] ] )
      y += deltaY
  }
  document.writeln( '#sitemapinfo {POSITION: absolute; VISIBILITY: visible; LEFT: '+x0+'px; TOP: '+y0+'px}' )
  document.writeln( '//-->' + "\n" + '</STYLE>' )
}

function sitemapClick( id )
{
  var i = id2treeIndex[ id ]

  var clinkedOnName = (sitemapClick.arguments.length == 2 )
  if (resetPanelOnBookmarkClick && treeTyp[i]=='b' && (resetPanelOnBookmarkClick||resetPanelOnClick) ) {
    closeFolderOnPanel( id )
    return
  }

  if (resetPanelOnClick && treeTyp[i]=='f' && clinkedOnName) {
    closeFolderOnPanel( id )
    if ( !treeIsOn[ i ] )
      return
  }

  if ( treeIsOn[ i ] )
  // close directory
  {
    // mark node as invisible
    treeIsOn[ i ]=false
    // mark all sons as invisible
    actDeep = treeDeep[ i ]
    for( var j=i+1; j<idx && treeDeep[j] > actDeep; j++ )
    {
      if (rememberKnotStatus)
        treeWasOn[ j ] = treeIsOn[ j ]
      else
      {
        if (showFolderIcon && treeIsOn[j] )
          gif_off( treeId[j] )
        treeWasOn[ j ] = false
      }

      treeIsOn[ j ]=false
    }
    if (showFolderIcon) gif_off( id )
  }
  else
  // open directory
  {
    treeIsOn[ i ]=true
    // remember and restore old status
    actDeep = treeDeep[ i ]
    for( var j=i+1; j<idx && treeDeep[j] > actDeep; j++ )
    {
      treeIsOn[ j ] = treeWasOn[ j ]
    }
    if (showFolderIcon) gif_on( id )
    if ( onlyOneOpenFolderProPanel )
      closeFolderOnPanel( id )
  }
  showTree()
}

function knotDeep( id )
{
  var deep=0
  while ( true )
    if ( treeP_id[ id2treeIndex[id] ] == 0 )
      return deep
    else
    {
      ++deep
      id = treeP_id[ id2treeIndex[id] ]
    }
  return deep
}

function closeFolderOnPanel( id )
{
  var i = id2treeIndex[id]
  var p_id = treeP_id[ i ]
  var deep=treeDeep[ i ]
  for( var j=i-1; j>0 && treeDeep[j]>=deep; j-- )
    if ( treeP_id[ j ] == p_id && treeIsOn[ j ] )
      sitemapClick( treeId[j] )
  for( var j=i+1; j<idx && treeDeep[j]>=deep; j++ )
    if ( treeP_id[ j ] == p_id && treeIsOn[ j ] )
      sitemapClick( treeId[j] )
}

function showTree()
{
  for( var i=1, y=y0, x=x0; i<idx; i++ )
  {
    if ( treeIsOn[ id2treeIndex[ treeP_id[i] ] ] )
    {
      // show current node
      if ( !(y == treeLastY[i] && treeIsShown[i] ) )
      {
        showLayer( "sitemap"+ treeId[i] )
        setyLayer( "sitemap"+ treeId[i], y )
        treeIsShown[i] = true
      }
      treeLastY[i] = y
      y += deltaY
    }
    else
    {
      // hide current node and all sons
      if ( treeIsShown[ i ] )
      {
        hideLayer( "sitemap"+ treeId[i] )
        treeIsShown[i] = false
      }
    }
  }
}

function initIndex() {
  for( var i=0; i<idx; i++ )
    id2treeIndex[ treeId[i] ] = i
}

function gif_name (name, width, height) {
  this.on = new Image (width, height);
  this.on.src = name + "_on.gif"
  this.off = new Image (width, height);
  this.off.src = name + "_off.gif"
}

function load_gif (name, width, height) {
  gif_name [name] = new gif_name (name,width,height);
}

function load_all () {
  load_gif ('folder',12,10)
}

function gif_on ( id ) {
  eval("document['folder" + id + "'].src = gif_name['folder'].on.src")
}

function gif_off ( id ) {
  eval("document['folder" + id + "'].src = gif_name['folder'].off.src")
}

function hideLayer(layerName) {
  if (isDOM)
    document.getElementById(layerName).style.visibility="hidden"
  else if (isDomIE)
    document.all[layerName].style.visibility="hidden";
  else if (isDomNN)
    document.layers[layerName].visibility="hidden";
}

function showLayer(layerName) {
  if (isDOM)
    document.getElementById(layerName).style.visibility="visible"
  else if (isDomIE)
    document.all[layerName].style.visibility="visible";
  else if (isDomNN)
    document.layers[layerName].visibility="visible";
}

function setyLayer(layerName, y) {
  if (isDOM)
    document.getElementById(layerName).style.top=y
  else if (isDomIE)
    document.all[layerName].style.top=y;
  else if (isDomNN)
    document.layers[layerName].top=y;
}

var id2treeIndex = new Array()

// Menüdefinition