// control registration array
  var spaw_editors = new Array();
  var back_value="leer";

  // returns true if editor is already registered
  function SPAW_editor_registered(editor)
  {
    var found = false;
    for(i=0;i<spaw_editors.lenght;i++)
    {
      if (spaw_editors[i] == editor)
      {
        found = true;
        break;
      }
    }
    return(found);
  }

  // onsubmit
  function SPAW_UpdateFields()
  {
    for (i=0; i<spaw_editors.length; i++)
    {
      SPAW_updateField(spaw_editors[i], null);
    }
  }

  // adds event handler for the form to update hidden fields
  function SPAW_addOnSubmitHandler(editor)
  {
    thefield = SPAW_getFieldByEditor(editor, null);

    var sTemp = "";
    oForm = document.all[thefield].form;

    if(oForm.onsubmit != null) {
      sTemp = oForm.onsubmit.toString();
      iStart = sTemp.indexOf("{") + 2;
      sTemp = sTemp.substr(iStart,sTemp.length-iStart-2);
    }
    if (sTemp.indexOf("SPAW_UpdateFields();") == -1)
    {
      oForm.onsubmit = new Function("SPAW_UpdateFields();" + sTemp);
    }
  }

  // editor initialization
  function MySPAW_editorInit(editor, css_stylesheet, direction)
  {
    if(this[editor+'_rEdit'])
      this[editor+'_rEdit'].document.body.innerHTML = document.all[editor].value;
  }

  function SPAW_editorInit(editor, css_stylesheet, direction)
  {
    // prevent from executing twice on the same editor
    if (!SPAW_editor_registered(editor))
    {
      // check if the editor completely loaded and schedule to try again if not
      if (document.readyState != 'complete')
      {
        setTimeout(function(){SPAW_editorInit(editor, css_stylesheet, direction);},20);
        return;
      }

      this[editor+'_rEdit'].document.designMode = 'On';


      // register the editor
      spaw_editors[spaw_editors.length] = editor;

      // add on submit handler
      SPAW_addOnSubmitHandler(editor);


      if (this[editor+'_rEdit'].document.readyState == 'complete')
      {
        this[editor+'_rEdit'].document.createStyleSheet(css_stylesheet);
        this[editor+'_rEdit'].document.body.dir = direction;
        this[editor+'_rEdit'].document.body.innerHTML = document.all[editor].value;

        //xxx
        //window.frames[editor+'_rEdit'].focus();
        //this[editor+'_rEdit'].document.focus();
        //var sel=this[editor+'_rEdit'].document.body; //.createRange();
        //var sel = window.frames[editor+'_rEdit'].document.selection.createRange();
        //sel.findText("Anhänge");
        //set.text="nix";
        //alert(sel);
        //window.frames[editor+'_rEdit'].select();
        //alert(sel.type);

        // xxx

        SPAW_toggle_borders(editor,this[editor+'_rEdit'].document.body,null);

        // hookup active toolbar related events

        this[editor+'_rEdit'].document.onkeyup = function() { SPAW_testChange(editor); }
        this[editor+'_rEdit'].document.onmouseup = function() { SPAW_update_toolbar(editor, true); }
        //this[editor+'_rEdit'].document.onmousedown = function() { SPAW_testChange(editor); }
        //this[editor+'_rEdit'].document.onkeydown = function() { SPAW_testChange(editor); }

        // initialize toolbar
        spaw_context_html = "";
        //SPAW_update_toolbar(editor, true);

        back_value=this[editor+'_rEdit'].document.body.innerHTML;

        //alert(back_value);
      }
    }
  }

  function SPAW_testChange(editor)
  {
    //alert(back_value);
    //alert(this[editor+'_rEdit'].document.body.innerHTML);

    if(back_value!=this[editor+'_rEdit'].document.body.innerHTML)
    {
      //alert(is_changed);

      is_changed=true;
      //document.phpdoc.button_speichern.value='<table><tr><td><img src=images/speichern.gif></td><td style=cursor:default;color:red;font-weight:bold;>Speichern</td></tr></table>';
      //document.phpdoc.button_fertig.value='<table><tr><td><img src=images/speichern.gif></td><td style=cursor:default;color:red;font-weight:bold;>Fertig</td></tr></table>';
    }
  }

  function SPAW_showColorPicker(editor,curcolor) {
    return showModalDialog('dialogs/colorpicker.php?lang=' + document.all['SPAW_'+editor+'_lang'].value + '&theme=' + document.all['SPAW_'+editor+'_theme'].value, curcolor,
      'dialogHeight:250px; dialogWidth:366px; resizable:no; status:no');
  }

  function SPAW_bold_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('bold', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_italic_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
     this[editor+'_rEdit'].document.execCommand('italic', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_underline_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('underline', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_left_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('justifyleft', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_center_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('justifycenter', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_right_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('justifyright', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_justify_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('justifyfull', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_ordered_list_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('insertorderedlist', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_bulleted_list_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('insertunorderedlist', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_fore_color_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();

    var fCol = SPAW_showColorPicker(editor,null);

    if(fCol != null)
      this[editor+'_rEdit'].document.execCommand('forecolor', false, fCol);

    SPAW_update_toolbar(editor, true);
  }

  function SPAW_bg_color_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();

    var bCol = SPAW_showColorPicker(editor,null);

    if(bCol != null)
      this[editor+'_rEdit'].document.execCommand('backcolor', false, bCol);

    SPAW_update_toolbar(editor, true);
  }

  function SPAW_hyperlink_click(editor, sender)
  {
    /*
    window.frames[editor+'_rEdit'].focus();
    var l = this[editor+'_rEdit'].document.execCommand('createlink');
    SPAW_update_toolbar(editor, true);
    */

    var id=""; //document.phpdoc.id.value;
    var tree_id=""; //document.phpdoc.tree_id.value;

    var hyperlink=showModalDialog('include/hyperlink/index.php?tree_id='+tree_id, id, 'dialogHeight:320px; dialogWidth:600px; resizable:no; status:no; scroll:no; help:no');

    window.frames[editor+'_rEdit'].focus();
    var selection = window.frames[editor+'_rEdit'].document.selection.createRange();
    selection.pasteHTML(hyperlink);

  }

  function SPAW_qlink_create_click(editor, sender)
  {

    var id=""; //document.phpdoc.id.value;
    var tree_id=""; //document.phpdoc.tree_id.value;

    if(tree_id=="")
    {
      alert("Diese Funktion bitte nur in einer Session aufrufen!");
    }
    else
    {
      var qlink=showModalDialog('include/qlink/index.php?tree_id='+tree_id, id, 'dialogHeight:320px; dialogWidth:600px; resizable:no; status:no; scroll:no; help:no');

      window.frames[editor+'_rEdit'].focus();
      var selection = window.frames[editor+'_rEdit'].document.selection.createRange();
      selection.pasteHTML(qlink);
    }

    //alert(1);
    //window.frames[editor+'_rEdit'].focus();
    //this[editor+'_rEdit'].document.execCommand('undo','',null);
    //SPAW_update_toolbar(editor, true);
    //alert(2);
    //this[editor+'_rEdit'].document.execCommand('print','',null);
  }

  function SPAW_image_insert_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();

    var imgSrc = showModalDialog('dialogs/img_library.php?lang=' + document.all['SPAW_'+editor+'_lang'].value + '&theme=' + document.all['SPAW_'+editor+'_theme'].value, '',
      'dialogHeight:420px; dialogWidth:420px; resizable:no; status:no');

    if(imgSrc != null)
      this[editor+'_rEdit'].document.execCommand('insertimage', false, imgSrc);

    SPAW_update_toolbar(editor, true);
  }

  function SPAW_image_prop_click(editor, sender)
  {
    var im = SPAW_getImg(editor); // current cell

    if (im)
    {
      var iProps = {};
      iProps.src = im.src;
      iProps.alt = im.alt;
      iProps.width = (im.style.width)?im.style.width:im.width;
      iProps.height = (im.style.height)?im.style.height:im.height;
      iProps.border = im.border;
      iProps.align = im.align;
      iProps.hspace = im.hspace;
      iProps.vspace = im.vspace;

      var niProps = showModalDialog('dialogs/img.php?lang=' + document.all['SPAW_'+editor+'_lang'].value + '&theme=' + document.all['SPAW_'+editor+'_theme'].value, iProps,
        'dialogHeight:200px; dialogWidth:366px; resizable:no; status:no');

      if (niProps)
      {
        im.src = (niProps.src)?niProps.src:'';
        if (niProps.alt) {
          im.alt = niProps.alt;
        }
        else
        {
          im.removeAttribute("alt");
        }
        im.align = (niProps.align)?niProps.align:'';
        im.width = (niProps.width)?niProps.width:'';
        //im.style.width = (niProps.width)?niProps.width:'';
        im.height = (niProps.height)?niProps.height:'';
        //im.style.height = (niProps.height)?niProps.height:'';
        if (niProps.border) {
          im.border = niProps.border;
        }
        else
        {
          im.removeAttribute("border");
        }
        if (niProps.hspace) {
          im.hspace = niProps.hspace;
        }
        else
        {
          im.removeAttribute("hspace");
        }
        if (niProps.vspace) {
          im.vspace = niProps.vspace;
        }
        else
        {
          im.removeAttribute("vspace");
        }
      }
      //SPAW_updateField(editor,"");
    } // if im
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_hr_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('inserthorizontalrule', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_copy_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('copy', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_paste_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('paste', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_cut_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('cut', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_delete_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('delete', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_indent_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('indent', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_unindent_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('outdent', false, null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_undo_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('undo','',null);
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_redo_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();
    this[editor+'_rEdit'].document.execCommand('redo', false, null);
    SPAW_update_toolbar(editor, true);
  }


  function SPAW_getParentTag(editor)
  {
    var trange = this[editor+'_rEdit'].document.selection.createRange();
    if (window.frames[editor+'_rEdit'].document.selection.type != "Control")
    {
      return (trange.parentElement());
    }
    else
    {
      return (trange(0));
    }
  }

  // trim functions
  function SPAW_ltrim(txt)
  {
    var spacers = " \t\r\n";
    while (spacers.indexOf(txt.charAt(0)) != -1)
    {
      txt = txt.substr(1);
    }
    return(txt);
  }
  function SPAW_rtrim(txt)
  {
    var spacers = " \t\r\n";
    while (spacers.indexOf(txt.charAt(txt.length-1)) != -1)
    {
      txt = txt.substr(0,txt.length-1);
    }
    return(txt);
  }
  function SPAW_trim(txt)
  {
    return(SPAW_ltrim(SPAW_rtrim(txt)));
  }



  // is selected text a full tags inner html?
  function SPAW_isFoolTag(editor, el)
  {
    var trange = this[editor+'_rEdit'].document.selection.createRange();
    var ttext;
    if (trange != null) ttext = SPAW_trim(trange.htmlText);
    if (ttext != SPAW_trim(el.innerHtml))
      return false;
    else
      return true;
  }

  function SPAW_style_change(editor, sender)
  {
    classname = sender.options[sender.selectedIndex].value;

    window.frames[editor+'_rEdit'].focus();

    var el = SPAW_getParentTag(editor);
    if (el != null && el.tagName.toLowerCase() != 'body')
    {
      if (classname != 'default')
        el.className = classname;
      else
        el.removeAttribute('className');
    }
    else if (el.tagName.toLowerCase() == 'body')
    {
      if (classname != 'default')
        this[editor+'_rEdit'].document.body.innerHTML = '<p class="'+classname+'">'+this[editor+'_rEdit'].document.body.innerHTML+'</p>';
      else
        this[editor+'_rEdit'].document.body.innerHTML = '<p>'+this[editor+'_rEdit'].document.body.innerHTML+'</p>';
    }
    sender.selectedIndex = 0;

    SPAW_update_toolbar(editor, true);
  }

  function SPAW_font_change(editor, sender)
  {
    fontname = sender.options[sender.selectedIndex].value;

    window.frames[editor+'_rEdit'].focus();

    this[editor+'_rEdit'].document.execCommand('fontname', false, fontname);

    sender.selectedIndex = 0;

    SPAW_update_toolbar(editor, true);
  }

  function SPAW_fontsize_change(editor, sender)
  {
    fontsize = sender.options[sender.selectedIndex].value;

    window.frames[editor+'_rEdit'].focus();

    this[editor+'_rEdit'].document.execCommand('fontsize', false, fontsize);

    sender.selectedIndex = 0;

    SPAW_update_toolbar(editor, true);
  }

  function SPAW_paragraph_change(editor, sender)
  {
    format = sender.options[sender.selectedIndex].value;

    window.frames[editor+'_rEdit'].focus();

    this[editor+'_rEdit'].document.execCommand('formatBlock', false, format);

    sender.selectedIndex = 0;

    SPAW_update_toolbar(editor, true);
  }

  function SPAW_table_create_click(editor, sender)
  {
    if (window.frames[editor+'_rEdit'].document.selection.type != "Control")
    {
      // selection is not a control => insert table
      var nt = showModalDialog('dialogs/table.php?lang=' + document.all['SPAW_'+editor+'_lang'].value + '&theme=' + document.all['SPAW_'+editor+'_theme'].value, null,
        'dialogHeight:250px; dialogWidth:366px; resizable:no; status:no');

      if (nt)
      {
        window.frames[editor+'_rEdit'].focus();

        var newtable = document.createElement('TABLE');
        try {
          newtable.width = (nt.width)?nt.width:'';
          newtable.height = (nt.height)?nt.height:'';
          newtable.border = (nt.border)?nt.border:'';
          if (nt.cellPadding) newtable.cellPadding = nt.cellPadding;
          if (nt.cellSpacing) newtable.cellSpacing = nt.cellSpacing;
          newtable.bgColor = (nt.bgColor)?nt.bgColor:'';

          // create rows
          for (i=0;i<parseInt(nt.rows);i++)
          {
            var newrow = document.createElement('TR');
            for (j=0; j<parseInt(nt.cols); j++)
            {
              var newcell = document.createElement('TD');

              newrow.appendChild(newcell);
            }
            newtable.appendChild(newrow);
          }
          var selection = window.frames[editor+'_rEdit'].document.selection.createRange();
          selection.pasteHTML(newtable.outerHTML);
          SPAW_toggle_borders(editor, window.frames[editor+'_rEdit'].document.body, null);
          SPAW_update_toolbar(editor, true);
        }
        catch (excp)
        {
          alert('error');
        }
      }
    }
  }

  function SPAW_table_prop_click(editor, sender)
  {
    window.frames[editor+'_rEdit'].focus();

    var tTable
    // check if table selected
    if (window.frames[editor+'_rEdit'].document.selection.type == "Control")
    {
      var tControl = window.frames[editor+'_rEdit'].document.selection.createRange();
      if (tControl(0).tagName == 'TABLE')
      {
        tTable = tControl(0);
      }
    }
    else
    {
      var tControl = window.frames[editor+'_rEdit'].document.selection.createRange();
      tControl = tControl.parentElement();
      while ((tControl.tagName != 'TABLE') && (tControl.tagName != 'BODY'))
      {
        tControl = tControl.parentElement;
      }
      if (tControl.tagName == 'TABLE')
        tTable = tControl;
      else
        return false;
    }

    var tProps = {};
    tProps.width = (tTable.style.width)?tTable.style.width:tTable.width;
    tProps.height = (tTable.style.height)?tTable.style.height:tTable.height;
    tProps.border = tTable.border;
    tProps.cellPadding = tTable.cellPadding;
    tProps.cellSpacing = tTable.cellSpacing;
    tProps.bgColor = tTable.bgColor;

    var ntProps = showModalDialog('dialogs/table.php?lang=' + document.all['SPAW_'+editor+'_lang'].value + '&theme=' + document.all['SPAW_'+editor+'_theme'].value, tProps,
      'dialogHeight:250px; dialogWidth:366px; resizable:no; status:no');

    if (ntProps)
    {
      // set new settings
      tTable.width = (ntProps.width)?ntProps.width:'';
      tTable.style.width = (ntProps.width)?ntProps.width:'';
      tTable.height = (ntProps.height)?ntProps.height:'';
      tTable.style.height = (ntProps.height)?ntProps.height:'';
      tTable.border = (ntProps.border)?ntProps.border:'';
      if (ntProps.cellPadding) tTable.cellPadding = ntProps.cellPadding;
      if (ntProps.cellSpacing) tTable.cellSpacing = ntProps.cellSpacing;
      tTable.bgColor = (ntProps.bgColor)?ntProps.bgColor:'';

      SPAW_toggle_borders(editor, tTable, null);
    }

    SPAW_update_toolbar(editor, true);
    //SPAW_updateField(editor,"");
  }

  // edits table cell properties
  function SPAW_table_cell_prop_click(editor, sender)
  {
    var cd = SPAW_getTD(editor); // current cell

    if (cd)
    {
      var cProps = {};
      cProps.width = (cd.style.width)?cd.style.width:cd.width;
      cProps.height = (cd.style.height)?cd.style.height:cd.height;
      cProps.bgColor = cd.bgColor;
      cProps.align = cd.align;
      cProps.vAlign = cd.vAlign;
      cProps.className = cd.className;
      cProps.noWrap = cd.noWrap;
      cProps.styleOptions = new Array();
      if (document.all['SPAW_'+editor+'_tb_style'] != null)
      {
        cProps.styleOptions = document.all['SPAW_'+editor+'_tb_style'].options;
      }

      var ncProps = showModalDialog('dialogs/td.php?lang=' + document.all['SPAW_'+editor+'_lang'].value + '&theme=' + document.all['SPAW_'+editor+'_theme'].value, cProps,
        'dialogHeight:220px; dialogWidth:366px; resizable:no; status:no');

      if (ncProps)
      {
        cd.align = (ncProps.align)?ncProps.align:'';
        cd.vAlign = (ncProps.vAlign)?ncProps.vAlign:'';
        cd.width = (ncProps.width)?ncProps.width:'';
        cd.style.width = (ncProps.width)?ncProps.width:'';
        cd.height = (ncProps.height)?ncProps.height:'';
        cd.style.height = (ncProps.height)?ncProps.height:'';
        cd.bgColor = (ncProps.bgColor)?ncProps.bgColor:'';
        cd.className = (ncProps.className)?ncProps.className:'';
        cd.noWrap = ncProps.noWrap;
      }
    }
    SPAW_update_toolbar(editor, true);
    //SPAW_updateField(editor,"");
  }

  // returns current table cell
  function SPAW_getTD(editor)
  {
    if (window.frames[editor+'_rEdit'].document.selection.type != "Control")
    {
      var tControl = window.frames[editor+'_rEdit'].document.selection.createRange();
      tControl = tControl.parentElement();
      while ((tControl.tagName != 'TD') && (tControl.tagName != 'TH') && (tControl.tagName != 'TABLE') && (tControl.tagName != 'BODY'))
      {
        tControl = tControl.parentElement;
      }
      if ((tControl.tagName == 'TD') || (tControl.tagName == 'TH'))
        return(tControl);
      else
        return(null);
    }
    else
    {
      return(null);
    }
  }

  // returns current table row
  function SPAW_getTR(editor)
  {
    if (window.frames[editor+'_rEdit'].document.selection.type != "Control")
    {
      var tControl = window.frames[editor+'_rEdit'].document.selection.createRange();
      tControl = tControl.parentElement();
      while ((tControl.tagName != 'TR') && (tControl.tagName != 'TABLE') && (tControl.tagName != 'BODY'))
      {
        tControl = tControl.parentElement;
      }
      if (tControl.tagName == 'TR')
        return(tControl);
      else
        return(null);
    }
    else
    {
      return(null);
    }
  }

  // returns current table
  function SPAW_getTable(editor)
  {
    if (window.frames[editor+'_rEdit'].document.selection.type == "Control")
    {
      var tControl = window.frames[editor+'_rEdit'].document.selection.createRange();
      if (tControl(0).tagName == 'TABLE')
        return(tControl(0));
      else
        return(null);
    }
    else
    {
      var tControl = window.frames[editor+'_rEdit'].document.selection.createRange();
      tControl = tControl.parentElement();
      while ((tControl.tagName != 'TABLE') && (tControl.tagName != 'BODY'))
      {
        tControl = tControl.parentElement;
      }
      if (tControl.tagName == 'TABLE')
        return(tControl);
      else
        return(null);
    }
  }

  // returns selected image
  function SPAW_getImg(editor) {
    if (window.frames[editor+'_rEdit'].document.selection.type == "Control")
    {
      var tControl = window.frames[editor+'_rEdit'].document.selection.createRange();
      if (tControl(0).tagName == 'IMG')
        return(tControl(0));
      else
        return(null);
    }
    else
    {
      return(null);
    }
  }

  function SPAW_table_row_insert_click(editor, sender)
  {
    var ct = SPAW_getTable(editor); // current table
    var cr = SPAW_getTR(editor); // current row

    if (ct && cr)
    {
      var newr = ct.insertRow(cr.rowIndex+1);
      for (i=0; i<cr.cells.length; i++)
      {
        if (cr.cells(i).rowSpan > 1)
        {
          // increase rowspan
          cr.cells(i).rowSpan++;
        }
        else
        {
          var newc = cr.cells(i).cloneNode();
          newr.appendChild(newc);
        }
      }
      // increase rowspan for cells that were spanning through current row
      for (i=0; i<cr.rowIndex; i++)
      {
        var tempr = ct.rows(i);
        for (j=0; j<tempr.cells.length; j++)
        {
          if (tempr.cells(j).rowSpan > (cr.rowIndex - i))
            tempr.cells(j).rowSpan++;
        }
      }
    }
    SPAW_update_toolbar(editor, true);
  } // insertRow

  function SPAW_formCellMatrix(ct)
  {
    var tm = new Array();
    for (i=0; i<ct.rows.length; i++)
      tm[i]=new Array();

    for (i=0; i<ct.rows.length; i++)
    {
      jr=0;
      for (j=0; j<ct.rows(i).cells.length;j++)
      {
        while (tm[i][jr] != undefined)
          jr++;

        for (jh=jr; jh<jr+(ct.rows(i).cells(j).colSpan?ct.rows(i).cells(j).colSpan:1);jh++)
        {
          for (jv=i; jv<i+(ct.rows(i).cells(j).rowSpan?ct.rows(i).cells(j).rowSpan:1);jv++)
          {
            if (jv==i)
            {
              tm[jv][jh]=ct.rows(i).cells(j).cellIndex;
            }
            else
            {
              tm[jv][jh]=-1;
            }
          }
        }
      }
    }
    return(tm);
  }

  function SPAW_table_column_insert_click(editor, sender)
  {
    var ct = SPAW_getTable(editor); // current table
    var cr = SPAW_getTR(editor); // current row
    var cd = SPAW_getTD(editor); // current row

    if (cd && cr && ct)
    {
      // get "real" cell position and form cell matrix
      var tm = SPAW_formCellMatrix(ct);

      for (j=0; j<tm[cr.rowIndex].length; j++)
      {
        if (tm[cr.rowIndex][j] == cd.cellIndex)
        {
          realIndex=j;
          break;
        }
      }

      // insert column based on real cell matrix
      for (i=0; i<ct.rows.length; i++)
      {
        if (tm[i][realIndex] != -1)
        {
          if (ct.rows(i).cells(tm[i][realIndex]).colSpan > 1)
          {
            ct.rows(i).cells(tm[i][realIndex]).colSpan++;
          }
          else
          {
            var newc = ct.rows(i).insertCell(tm[i][realIndex]+1)
            var nc = ct.rows(i).cells(tm[i][realIndex]).cloneNode();
            newc.replaceNode(nc);
          }
        }
      }
    }
    SPAW_update_toolbar(editor, true);
  } // insertColumn

  function SPAW_table_cell_merge_right_click(editor, sender)
  {
    var ct = SPAW_getTable(editor); // current table
    var cr = SPAW_getTR(editor); // current row
    var cd = SPAW_getTD(editor); // current row

    if (cd && cr && ct)
    {
      // get "real" cell position and form cell matrix
      var tm = SPAW_formCellMatrix(ct);

      for (j=0; j<tm[cr.rowIndex].length; j++)
      {
        if (tm[cr.rowIndex][j] == cd.cellIndex)
        {
          realIndex=j;
          break;
        }
      }

      if (cd.cellIndex+1<cr.cells.length)
      {
        ccrs = cd.rowSpan?cd.rowSpan:1;
        cccs = cd.colSpan?cd.colSpan:1;
        ncrs = cr.cells(cd.cellIndex+1).rowSpan?cr.cells(cd.cellIndex+1).rowSpan:1;
        nccs = cr.cells(cd.cellIndex+1).colSpan?cr.cells(cd.cellIndex+1).colSpan:1;
        // check if theres nothing between these 2 cells
        j=realIndex;
        while(tm[cr.rowIndex][j] == cd.cellIndex) j++;
        if (tm[cr.rowIndex][j] == cd.cellIndex+1)
        {
          // proceed only if current and next cell rowspans are equal
          if (ccrs == ncrs)
          {
            // increase colspan of current cell and append content of the next cell to current
            cd.colSpan = cccs+nccs;
            cd.innerHTML += cr.cells(cd.cellIndex+1).innerHTML;
            cr.deleteCell(cd.cellIndex+1);
          }
        }
      }
    }
    SPAW_update_toolbar(editor, true);
  } // mergeRight


  function SPAW_table_cell_merge_down_click(editor, sender)
  {
    var ct = SPAW_getTable(editor); // current table
    var cr = SPAW_getTR(editor); // current row
    var cd = SPAW_getTD(editor); // current row

    if (cd && cr && ct)
    {
      // get "real" cell position and form cell matrix
      var tm = SPAW_formCellMatrix(ct);

      for (j=0; j<tm[cr.rowIndex].length; j++)
      {
        if (tm[cr.rowIndex][j] == cd.cellIndex)
        {
          crealIndex=j;
          break;
        }
      }
      ccrs = cd.rowSpan?cd.rowSpan:1;
      cccs = cd.colSpan?cd.colSpan:1;

      if (cr.rowIndex+ccrs<ct.rows.length)
      {
        ncellIndex = tm[cr.rowIndex+ccrs][crealIndex];
        if (ncellIndex != -1 && (crealIndex==0 || (crealIndex>0 && (tm[cr.rowIndex+ccrs][crealIndex-1]!=tm[cr.rowIndex+ccrs][crealIndex]))))
        {

          ncrs = ct.rows(cr.rowIndex+ccrs).cells(ncellIndex).rowSpan?ct.rows(cr.rowIndex+ccrs).cells(ncellIndex).rowSpan:1;
          nccs = ct.rows(cr.rowIndex+ccrs).cells(ncellIndex).colSpan?ct.rows(cr.rowIndex+ccrs).cells(ncellIndex).colSpan:1;
          // proceed only if current and next cell colspans are equal
          if (cccs == nccs)
          {
            // increase rowspan of current cell and append content of the next cell to current
            cd.innerHTML += ct.rows(cr.rowIndex+ccrs).cells(ncellIndex).innerHTML;
            ct.rows(cr.rowIndex+ccrs).deleteCell(ncellIndex);
            cd.rowSpan = ccrs+ncrs;
          }
        }
      }
    }
    SPAW_update_toolbar(editor, true);
  } // mergeDown

  function SPAW_table_row_delete_click(editor, sender)
  {
    var ct = SPAW_getTable(editor); // current table
    var cr = SPAW_getTR(editor); // current row
    var cd = SPAW_getTD(editor); // current cell

    if (cd && cr && ct)
    {
      // if there's only one row just remove the table
      if (ct.rows.length<=1)
      {
        ct.removeNode(true);
      }
      else
      {
        // get "real" cell position and form cell matrix
        var tm = SPAW_formCellMatrix(ct);


        // decrease rowspan for cells that were spanning through current row
        for (i=0; i<cr.rowIndex; i++)
        {
          var tempr = ct.rows(i);
          for (j=0; j<tempr.cells.length; j++)
          {
            if (tempr.cells(j).rowSpan > (cr.rowIndex - i))
              tempr.cells(j).rowSpan--;
          }
        }


        curCI = -1;
        // check for current row cells spanning more than 1 row
        for (i=0; i<tm[cr.rowIndex].length; i++)
        {
          prevCI = curCI;
          curCI = tm[cr.rowIndex][i];
          if (curCI != -1 && curCI != prevCI && cr.cells(curCI).rowSpan>1 && (cr.rowIndex+1)<ct.rows.length)
          {
            ni = i;
            nrCI = tm[cr.rowIndex+1][ni];
            while (nrCI == -1)
            {
              ni++;
              if (ni<ct.rows(cr.rowIndex+1).cells.length)
                nrCI = tm[cr.rowIndex+1][ni];
              else
                nrCI = ct.rows(cr.rowIndex+1).cells.length;
            }

            var newc = ct.rows(cr.rowIndex+1).insertCell(nrCI);
            ct.rows(cr.rowIndex).cells(curCI).rowSpan--;
            var nc = ct.rows(cr.rowIndex).cells(curCI).cloneNode();
            newc.replaceNode(nc);
            // fix the matrix
            cs = (cr.cells(curCI).colSpan>1)?cr.cells(curCI).colSpan:1;
            for (j=i; j<(i+cs);j++)
            {
              tm[cr.rowIndex+1][j] = nrCI;
              nj = j;
            }
            for (j=nj; j<tm[cr.rowIndex+1].length; j++)
            {
              if (tm[cr.rowIndex+1][j] != -1)
                tm[cr.rowIndex+1][j]++;
            }
          }
        }
        // delete row
        ct.deleteRow(cr.rowIndex);
      }
    }
    SPAW_update_toolbar(editor, true);
  } // deleteRow

  function SPAW_table_column_delete_click(editor, sender)
  {
    var ct = SPAW_getTable(editor); // current table
    var cr = SPAW_getTR(editor); // current row
    var cd = SPAW_getTD(editor); // current cell

    if (cd && cr && ct)
    {
      // get "real" cell position and form cell matrix
      var tm = SPAW_formCellMatrix(ct);

      // if there's only one column delete the table
      if (tm[0].length<=1)
      {
        ct.removeNode(true);
      }
      else
      {
        for (j=0; j<tm[cr.rowIndex].length; j++)
        {
          if (tm[cr.rowIndex][j] == cd.cellIndex)
          {
            realIndex=j;
            break;
          }
        }

        for (i=0; i<ct.rows.length; i++)
        {
          if (tm[i][realIndex] != -1)
          {
            if (ct.rows(i).cells(tm[i][realIndex]).colSpan>1)
              ct.rows(i).cells(tm[i][realIndex]).colSpan--;
            else
              ct.rows(i).deleteCell(tm[i][realIndex]);
          }
        }
      }
    }
    SPAW_update_toolbar(editor, true);
  } // deleteColumn

  // split cell horizontally
  function SPAW_table_cell_split_horizontal_click(editor, sender)
  {
    var ct = SPAW_getTable(editor); // current table
    var cr = SPAW_getTR(editor); // current row
    var cd = SPAW_getTD(editor); // current cell

    if (cd && cr && ct)
    {
      // get "real" cell position and form cell matrix
      var tm = SPAW_formCellMatrix(ct);

      for (j=0; j<tm[cr.rowIndex].length; j++)
      {
        if (tm[cr.rowIndex][j] == cd.cellIndex)
        {
          realIndex=j;
          break;
        }
      }

      if (cd.rowSpan>1)
      {
        // split only current cell
        // find where to insert a cell in the next row
        i = realIndex;
        while (tm[cr.rowIndex+1][i] == -1) i++;
        if (i == tm[cr.rowIndex+1].length)
          ni = ct.rows(cr.rowIndex+1).cells.length;
        else
          ni = tm[cr.rowIndex+1][i];

        var newc = ct.rows(cr.rowIndex+1).insertCell(ni);
        cd.rowSpan--;
        var nc = cd.cloneNode();
        newc.replaceNode(nc);

        cd.rowSpan = 1;
      }
      else
      {
        // add new row and make all other cells to span one row more
        ct.insertRow(cr.rowIndex+1);
        for (i=0; i<cr.cells.length; i++)
        {
          if (i != cd.cellIndex)
          {
            rs = cr.cells(i).rowSpan>1?cr.cells(i).rowSpan:1;
            cr.cells(i).rowSpan = rs+1;
          }
        }

        for (i=0; i<cr.rowIndex; i++)
        {
          var tempr = ct.rows(i);
          for (j=0; j<tempr.cells.length; j++)
          {
            if (tempr.cells(j).rowSpan > (cr.rowIndex - i))
              tempr.cells(j).rowSpan++;
          }
        }

        // clone current cell to new row
        var newc = ct.rows(cr.rowIndex+1).insertCell(0);
        var nc = cd.cloneNode();
        newc.replaceNode(nc);
      }
    }
    SPAW_update_toolbar(editor, true);
  } // splitH

  function SPAW_table_cell_split_vertical_click(editor, sender)
  {
    var ct = SPAW_getTable(editor); // current table
    var cr = SPAW_getTR(editor); // current row
    var cd = SPAW_getTD(editor); // current cell

    if (cd && cr && ct)
    {
      // get "real" cell position and form cell matrix
      var tm = SPAW_formCellMatrix(ct);

      for (j=0; j<tm[cr.rowIndex].length; j++)
      {
        if (tm[cr.rowIndex][j] == cd.cellIndex)
        {
          realIndex=j;
          break;
        }
      }

      if (cd.colSpan>1)
      {
        // split only current cell
        var newc = ct.rows(cr.rowIndex).insertCell(cd.cellIndex+1);
        cd.colSpan--;
        var nc = cd.cloneNode();
        newc.replaceNode(nc);
        cd.colSpan = 1;
      }
      else
      {
        // clone current cell
        var newc = ct.rows(cr.rowIndex).insertCell(cd.cellIndex+1);
        var nc = cd.cloneNode();
        newc.replaceNode(nc);

        for (i=0; i<tm.length; i++)
        {
          if (i!=cr.rowIndex && tm[i][realIndex] != -1)
          {
            cs = ct.rows(i).cells(tm[i][realIndex]).colSpan>1?ct.rows(i).cells(tm[i][realIndex]).colSpan:1;
            ct.rows(i).cells(tm[i][realIndex]).colSpan = cs+1;
          }
        }
      }
    }
    SPAW_update_toolbar(editor, true);
  } // splitV


  // switch to wysiwyg mode
  function SPAW_design_tab_click(editor, sender)
  {
    editor=editor.toUpperCase();

    //iText = this[editor+'_rEdit'].document.body.innerText;
    iText = document.all[editor].value;
    this[editor+'_rEdit'].document.body.innerHTML = iText;

    document.all['SPAW_'+editor+'_editor_mode'].value = 'design';

    // turn off html mode toolbars
    document.all['SPAW_'+editor+'_toolbar_top_html'].style.display = 'none';
    document.all['SPAW_'+editor+'_toolbar_left_html'].style.display = 'none';
    document.all['SPAW_'+editor+'_toolbar_right_html'].style.display = 'none';
    document.all['SPAW_'+editor+'_toolbar_bottom_html'].style.display = 'none';

    // turn on design mode toolbars
    document.all['SPAW_'+editor+'_toolbar_top_design'].style.display = 'inline';
    document.all['SPAW_'+editor+'_toolbar_left_design'].style.display = 'inline';
    document.all['SPAW_'+editor+'_toolbar_right_design'].style.display = 'inline';
    document.all['SPAW_'+editor+'_toolbar_bottom_design'].style.display = 'inline';

    // turn off preview mode toolbars
    document.all['SPAW_'+editor+'_toolbar_bottom_preview'].style.display = 'none';

    // switch editors
    document.all[editor].style.display = "none";
    document.all[editor+"_rEdit"].style.display = "inline";
    document.all[editor+"_rEdit"].document.body.focus();

    // turn on invisible borders if needed
    SPAW_toggle_borders(editor,this[editor+'_rEdit'].document.body, null);

    this[editor+'_rEdit'].focus();
    SPAW_update_toolbar(editor, true);
  }

  // switch to html mode
  function SPAW_html_tab_click(editor, sender)
  {
    editor=editor.toUpperCase();

    iHTML = this[editor+'_rEdit'].document.body.innerHTML;
    //this[editor+'_rEdit'].document.body.innerText = iHTML;
    document.all[editor].value = iHTML;

    document.all['SPAW_'+editor+'_editor_mode'].value = 'html';

    // turn off design mode toolbars
    document.all['SPAW_'+editor+'_toolbar_top_design'].style.display = 'none';
    document.all['SPAW_'+editor+'_toolbar_left_design'].style.display = 'none';
    document.all['SPAW_'+editor+'_toolbar_right_design'].style.display = 'none';
    document.all['SPAW_'+editor+'_toolbar_bottom_design'].style.display = 'none';

    // turn on html mode toolbars
    document.all['SPAW_'+editor+'_toolbar_top_html'].style.display = 'inline';
    document.all['SPAW_'+editor+'_toolbar_left_html'].style.display = 'inline';
    document.all['SPAW_'+editor+'_toolbar_right_html'].style.display = 'inline';
    document.all['SPAW_'+editor+'_toolbar_bottom_html'].style.display = 'inline';

    // turn off preview mode toolbars
    document.all['SPAW_'+editor+'_toolbar_bottom_preview'].style.display = 'none';

    // switch editors
    document.all[editor+"_rEdit"].style.display = "none";
    document.all[editor].style.display = "inline";
    document.all[editor].focus();

    this[editor+'_rEdit'].focus();
    SPAW_update_toolbar(editor, true);
  }

  // switch to preview mode
  function SPAW_preview_tab_click(editor, sender)
  {
    //iText = this[editor+'_rEdit'].document.body.innerText;
    iText = document.all[editor].value;
    this[editor+'_rEdit'].document.body.innerHTML = iText;

    document.all['SPAW_'+editor+'_editor_mode'].value = 'preview';

    // turn off design mode toolbars
    document.all['SPAW_'+editor+'_toolbar_top_design'].style.display = 'none';
    document.all['SPAW_'+editor+'_toolbar_left_design'].style.display = 'none';
    document.all['SPAW_'+editor+'_toolbar_right_design'].style.display = 'none';
    document.all['SPAW_'+editor+'_toolbar_bottom_design'].style.display = 'none';

    // turn off html mode toolbars
    document.all['SPAW_'+editor+'_toolbar_top_html'].style.display = 'none';
    document.all['SPAW_'+editor+'_toolbar_left_html'].style.display = 'none';
    document.all['SPAW_'+editor+'_toolbar_right_html'].style.display = 'none';
    document.all['SPAW_'+editor+'_toolbar_bottom_html'].style.display = 'none';

    // turn on preview mode toolbars
    document.all['SPAW_'+editor+'_toolbar_bottom_preview'].style.display = 'inline';

    // switch editors
    document.all[editor].style.display = "none";
    document.all[editor+"_rEdit"].style.display = "inline";
    alert(document.all[editor+"_rEdit"].style);
    //document.all[editor+"_rEdit"].document.body.focus();

    // turn on invisible borders if needed
    SPAW_toggle_borders(editor,this[editor+'_rEdit'].document.body, null);

    this[editor+'_rEdit'].focus();
    SPAW_update_toolbar(editor, true);
  }

  function SPAW_getFieldByEditor(editor, field)
  {
    var thefield;
    // get field by editor name if no field passed
    if (field == null || field == "")
    {
      var flds = document.getElementsByName(editor);
      thefield = flds[0].id;
    }
    else
    {
      thefield=field;
    }
    return thefield;
  }

  function SPAW_getHtmlValue(editor, thefield)
  {
    var htmlvalue;

    if(document.all['SPAW_'+editor+'_editor_mode'].value == 'design')
    {
      // wysiwyg
      htmlvalue = this[editor+'_rEdit'].document.body.innerHTML;
    }
    else
    {
      // code
      htmlvalue = document.all[thefield].value;
    }
    return htmlvalue;
  }

  function SPAW_updateField(editor, field)
  {
    var thefield = SPAW_getFieldByEditor(editor, field);

    var htmlvalue = SPAW_getHtmlValue(editor, thefield);

    if (document.all[thefield].value != htmlvalue)
    {
      // something changed
      document.all[thefield].value = htmlvalue;
    }
  }

  function SPAW_confirm(editor,block,message) {
    return showModalDialog('dialogs/confirm.php?lang=' + document.all['SPAW_'+editor+'_lang'].value + '&theme=' + document.all['SPAW_'+editor+'_theme'].value + '&block=' + block + '&message=' + message, null, 'dialogHeight:100px; dialogWidth:300px; resizable:no; status:no');
  }

  // cleanup html
  function SPAW_cleanup_click(editor, sender)
  {
    if (SPAW_confirm(editor,'cleanup','confirm'))
    {
      window.frames[editor+'_rEdit'].focus();

      var found = true;
      while (found)
      {
        found = false;
        var els = window.frames[editor+'_rEdit'].document.body.all;
        for (i=0; i<els.length; i++)
        {
          // remove tags with urns set
          if (els[i].tagUrn != null && els[i].tagUrn != '')
          {
            els[i].removeNode(false);
            found = true;
          }

          // remove font and span tags
          if (els[i].tagName != null && (els[i].tagName == "FONT" || els[i].tagName == "SPAN" || els[i].tagName == "DIV"))
          {
            els[i].removeNode(false);
            found = true;
          }
        }
      }

      // remove styles
      var els = window.frames[editor+'_rEdit'].document.body.all;
      for (i=0; i<els.length; i++)
      {
        // remove style and class attributes from all tags
        els[i].removeAttribute("className",0);
        els[i].removeAttribute("style",0);

      }
    }
    SPAW_update_toolbar(editor, true);
  } // SPAW_cleanup_click

  // toggle borders worker function
  function SPAW_toggle_borders(editor, root, toggle)
  {
    // get toggle mode (on/off)
    var toggle_mode = toggle;
    if (toggle == null)
    {
      var tgl_borders = document.getElementById("SPAW_"+editor+"_borders");
      if (tgl_borders != null)
      {
        toggle_mode = tgl_borders.value;
      }
      else
      {
        toggle_mode = "on"
      }
    }

    var tbls = new Array();
    if (root.tagName == "TABLE")
    {
      tbls[0] = root;
    }
    else
    {
      // get all tables starting from root
      tbls = root.getElementsByTagName("TABLE");
    }

    var tbln = 0;
    if (tbls != null) tbln = tbls.length;
    for (ti = 0; ti<tbln; ti++)
    {
      if ((tbls[ti].style.borderWidth == 0 || tbls[ti].style.borderWidth == "0px") &&
          (tbls[ti].border == 0 || tbls[ti].border == "0px") &&
          (toggle_mode == "on"))
      {
        tbls[ti].runtimeStyle.borderWidth = "1px";
        tbls[ti].runtimeStyle.borderStyle = "dashed";
        tbls[ti].runtimeStyle.borderColor = "#aaaaaa";
      } // no border
      else
      {
        tbls[ti].runtimeStyle.borderWidth = "";
        tbls[ti].runtimeStyle.borderStyle = "";
        tbls[ti].runtimeStyle.borderColor = "";
      }

      var cls = tbls[ti].cells;
      // loop through cells
      for (ci = 0; ci<cls.length; ci++)
      {
        if ((tbls[ti].style.borderWidth == 0 || tbls[ti].style.borderWidth == "0px") &&
            (tbls[ti].border == 0 || tbls[ti].border == "0px") &&
            (cls[ci].style.borderWidth == 0 || cls[ci].style.borderWidth == "0px") &&
            (toggle_mode == "on"))
        {
          cls[ci].runtimeStyle.borderWidth = "1px";
          cls[ci].runtimeStyle.borderStyle = "dashed";
          cls[ci].runtimeStyle.borderColor = "#aaaaaa";
        }
        else
        {
          cls[ci].runtimeStyle.borderWidth = "";
          cls[ci].runtimeStyle.borderStyle = "";
          cls[ci].runtimeStyle.borderColor = "";
        }
      } // cells loop
    } // tables loop
  } // SPAW_toggle_borders

  // toggle borders click event
  function SPAW_toggle_borders_click(editor, sender)
  {
    // get current toggle mode (on/off)
    var toggle_mode;

    var tgl_borders = document.getElementById("SPAW_"+editor+"_borders");
    if (tgl_borders != null)
    {
      toggle_mode = tgl_borders;

      // switch mode
      if (toggle_mode.value == "on")
      {
        toggle_mode.value = "off";
      }
      else
      {
        toggle_mode.value = "on";
      }

      // call worker function
      SPAW_toggle_borders(editor,this[editor+'_rEdit'].document.body, toggle_mode.value);
    }
    SPAW_update_toolbar(editor, true);
  } // SPAW_toggle_borders_click

  // returns base toolbar image name
  function SPAW_base_image_name(ctrl)
  {
    var imgname = ctrl.src.substring(0,ctrl.src.lastIndexOf("/"))+"/tb_"+ctrl.id.substr(ctrl.id.lastIndexOf("_tb_")+4, ctrl.id.length);
    return imgname;
  }

  // update toolbar if cursor moved or some event happened
  function SPAW_onkeyup(editor)
  {
    SPAW_testChange(editor);

    var eobj = window.frames[editor+'_rEdit']; // editor iframe
    if (eobj.event.ctrlKey || (eobj.event.keyCode >= 33 && eobj.event.keyCode<=40))
    {
      SPAW_update_toolbar(editor, false);
    }
  }

  var spaw_context_html = "";

  // update active toolbar state
  function SPAW_update_toolbar(editor, force)
  {
    SPAW_testChange(editor);

    window.frames[editor+'_rEdit'].focus();
    var pt = SPAW_getParentTag(editor);
    if (pt)
    {
      if (pt.outerHTML == spaw_context_html && !force)
      {
        return;
      }
      else
      {
        spaw_context_html = pt.outerHTML;
      }
    }

    // button sets
    table_row_items     =  [
                            "table_row_insert",
                            "table_row_delete"
                          ];
    table_cell_items    = [
                            "table_cell_prop",
                            "table_column_insert",
                            "table_column_delete",
                            "table_cell_merge_right",
                            "table_cell_merge_down",
                            "table_cell_split_horizontal",
                            "table_cell_split_vertical"
                          ];
    table_obj_items     = [
                            "table_prop"
                          ];
    img_obj_items       = [
                            "image_prop"
                          ];

    standard_cmd_items  = [ // command,             control id
                            ["cut",                 "cut"],
                            ["copy",                "copy"],
                            ["paste",               "paste"],
                            ["undo",                "undo"],
                            ["redo",                "redo"],
                            ["bold",                "bold"],
                            ["italic",              "italic"],
                            ["underline",           "underline"],
                            ["justifyleft",         "left"],
                            ["justifycenter",       "center"],
                            ["justifyright",        "right"],
                            ["indent",              "indent"],
                            ["outdent",             "unindent"],
                            ["forecolor",           "fore_color"],
                            ["backcolor",           "bg_color"],
                            ["insertorderedlist",   "ordered_list"],
                            ["insertunorderedlist", "bulleted_list"],
                            ["createlink",          "hyperlink"],
                            ["inserthorizontalrule","hr"]
                          ];

    togglable_items     = [ // command,             control id
                            ["bold",                "bold"],
                            ["italic",              "italic"],
                            ["underline",           "underline"],
                            ["justifyleft",         "left"],
                            ["justifycenter",       "center"],
                            ["justifyright",        "right"],
                            ["insertorderedlist",   "ordered_list"],
                            ["insertunorderedlist", "bulleted_list"],
                            ["createlink",          "hyperlink"],
                            ["inserthorizontalrule","hr"]
                          ];
    standard_dropdowns  = [ // command,             control id
                            ["fontname",            "font"],
                            ["fontsize",            "fontsize"],
                            ["formatblock",         "paragraph"]
                          ];

    // proceed only if active toolbar is enabled
    if (!spaw_active_toolbar) return;

    window.frames[editor+'_rEdit'].focus();

    // get object references
    var eobj = window.frames[editor+'_rEdit']; // editor iframe
    var edoc = eobj.document; // editor docutment

    // enable image insert
    SPAW_toggle_tbi(editor,"image_insert", true);
    // enable table insert
    SPAW_toggle_tbi(editor,"table_create", true);

    // toggle table buttons
    // get table
    var ct = SPAW_getTable(editor);
    if (ct)
    {
      // table found
      // enable table properties
      SPAW_toggle_tb_items(editor,table_obj_items, true);

      // get table row
      var cr = SPAW_getTR(editor);
      if (cr)
      {
        // enable table row features
        SPAW_toggle_tb_items(editor,table_row_items, true);

        // get table cell
        var cd = SPAW_getTD(editor);
        if (cd)
        {
          // enable cell features
          SPAW_toggle_tb_items(editor,table_cell_items, true);
        }
        else
        {
          // disable cell features
          SPAW_toggle_tb_items(editor,table_cell_items, false);
          // disable image insert
          SPAW_toggle_tbi(editor,"image_insert", false);
        }
      }
      else
      {
        // disable table row and cell features
        SPAW_toggle_tb_items(editor,table_cell_items, false);
        SPAW_toggle_tb_items(editor,table_row_items, false);
        // disable image insert
        SPAW_toggle_tbi(editor,"image_insert", false);
      }
    }
    else
    {
      // disable all available table related buttons
      SPAW_toggle_tb_items(editor,table_obj_items, false);
      SPAW_toggle_tb_items(editor,table_row_items, false);
      SPAW_toggle_tb_items(editor,table_cell_items, false);
    }
    // end table buttons

    // image buttons
    // get image
    var im = SPAW_getImg(editor);
    if (im)
    {
      // enable image buttons
      SPAW_toggle_tb_items(editor,img_obj_items, true);
      // disable table insert
      SPAW_toggle_tbi(editor,"table_create", false);
    }
    else
    {
      // disable image buttons
      SPAW_toggle_tb_items(editor,img_obj_items, false);
    }
    // end image buttons

    // set state and enable/disable standard command buttons
    for (i=0; i<togglable_items.length; i++)
    {
      SPAW_toggle_tbi_state(editor, standard_cmd_items[i][1], edoc.queryCommandState(standard_cmd_items[i][0]));
    }
    for (i=0; i<standard_cmd_items.length; i++)
    {
      SPAW_toggle_tbi(editor, standard_cmd_items[i][1], edoc.queryCommandEnabled(standard_cmd_items[i][0]));
    }

    // set state of toggle borders button
    if (document.all["SPAW_"+editor+"_borders"].value == "on")
    {
      SPAW_toggle_tbi_state(editor, "toggle_borders", true);
    }
    else
    {
      SPAW_toggle_tbi_state(editor, "toggle_borders", false);
    }

    // dropdowns
    for (i=0; i<standard_dropdowns.length; i++)
    {
      SPAW_toggle_tbi_dropdown(editor, standard_dropdowns[i][1], edoc.queryCommandValue(standard_dropdowns[i][0]));
    }
    // style dropdown
    var pt = SPAW_getParentTag(editor);
    SPAW_toggle_tbi_dropdown(editor, "style", pt.className);
  }

  // enable/disable toolbar item
  function SPAW_toggle_tb_items(editor, items, enable)
  {
    for (i=0; i<items.length; i++)
    {
      SPAW_toggle_tbi(editor, items[i], enable);
    }
  }

  // enable/disable toolbar item
  function SPAW_toggle_tbi(editor, item, enable)
  {
    if (document.all["SPAW_"+editor+"_tb_"+item])
    {
      var ctrl = document.all["SPAW_"+editor+"_tb_"+item];
      if (enable)
      {
        if (ctrl)
        {
          eval("SPAW_"+document.all["SPAW_"+editor+"_theme"].value+"_bt_out(ctrl);");
        }
      }
      else
      {
        if (ctrl)
        {
          eval("SPAW_"+document.all["SPAW_"+editor+"_theme"].value+"_bt_off(ctrl);");
        }
      }
    }
  }

  // set state of the toolbar item
  function SPAW_toggle_tbi_state(editor, item, state)
  {
    if (document.all["SPAW_"+editor+"_tb_"+item])
    {
      var ctrl = document.all["SPAW_"+editor+"_tb_"+item];
      ctrl.setAttribute("spaw_state",state)
      eval("SPAW_"+document.all["SPAW_"+editor+"_theme"].value+"_bt_out(ctrl);");
    }
  }

  // set dropdown value
  function SPAW_toggle_tbi_dropdown(editor, item, value)
  {
    if (document.all["SPAW_"+editor+"_tb_"+item])
    {
      var ctrl = document.all["SPAW_"+editor+"_tb_"+item];
      ctrl.options[0].selected = true;
      for (ii=0; ii<ctrl.options.length; ii++)
      {
        if (ctrl.options[ii].value == value)
        {
          ctrl.options[ii].selected = true;
        }
        else
        {
          ctrl.options[ii].selected = false;
        }
      }
    }
  }