/*************************************************************
 *  DHTML Collapsible Forum Index MOD v1.1.1
 *
 *  Copyright (C) 2004, Markus (http://www.phpmix.com)
 *  This script is released under GPL License.
 *  Feel free to use this script (or part of it) wherever you need
 *  it ...but please, give credit to original author. Thank you. :-)
 *  We will also appreciate any links you could give us.
 *
 *  Enjoy! ;-)
 *************************************************************/

//
// CFIC: Collapsible Forum Index Categories
//
function _CFIC(cid)
{
  this.cid = cid;
  this.status = 'none';
  this.forums = [];
}
_CFIC.prototype.add = function(f)
{
  this.forums[this.forums.length] = f;
}
//
// CFIG: Collapsible Forum Index Globals
//
function _CFIG(global, sign, arrow, K)
{
  this.global = global;
  this.allowed = false;
  this.K = new Object();
  this.K.path   = K[0];
  this.K.domain = K[1];
  this.K.secure = Boolean(K[2]);
  this.A = document.anchors;
  this.T = [];
  this.C = [];
  this.O = 'none';
  this.Q = [0, 0];

  if( document.images )
  {
    this.sign=[new Image(),new Image()];
    this.sign[0].src=sign[0];
    this.sign[1].src=sign[1];
    this.arrow=[new Image(),new Image()];
    this.arrow[0].src=arrow[0];
    this.arrow[1].src=arrow[1];
  }

  this.secondPassInterval = 20;
  this.queueInterval = 20;
  this.queuedSteps = null;
  this.currentStep = 0;
  return this;
}
_CFIG.prototype.getCookie = function(name)
{
  var cookies = document.cookie;
  var start = cookies.indexOf(name + '=');
  if( start < 0 ) return null;
  var len = start + name.length + 1;
  var end = cookies.indexOf(';', len);
  if( end < 0 ) end = cookies.length;
  return unescape(cookies.substring(len, end));
}
_CFIG.prototype.setCookie = function(name, value, expires)
{
  document.cookie = name + '=' + escape (value) +
    ((expires) ? '; expires=' + ( (expires == 'never') ? 'Thu, 31-Dec-2099 23:59:59 GMT' : expires.toGMTString() ) : '') +
    ((this.K.path)    ? '; path='    + this.K.path    : '') +
    ((this.K.domain)  ? '; domain='  + this.K.domain  : '') +
    ((this.K.secure)  ? '; secure' : '');
}
_CFIG.prototype.delCookie = function(name)
{
  if( this.getCookie(name) )
  {
    document.cookie = name + '=;expires=Thu, 01-Jan-1970 00:00:01 GMT' +
      ((this.K.path)    ? '; path='    + this.K.path    : '') +
      ((this.K.domain)  ? '; domain='  + this.K.domain  : '');
  }
}
_CFIG.prototype.slideForums = function(cid)
{
  var catName = 'cat_'+cid;
  var catSign = 'icon_sign_'+cid;
  if( !this.C[catName] ) return '';
  var oCategory = this.C[catName];
  var oldStatus = oCategory.status;
  var newStatus = ( (oCategory.status == 'none') ? '' : 'none' );
  if( document.images && document.images[catSign] )
  {
    document.images[catSign].src = this.sign[(newStatus=='' ? 1:0)].src;
  }
  if( newStatus != '' ) this.appendStep(catName, oldStatus);
  this.appendStep(catName+'_foot', newStatus);
  for( var i=0; i < oCategory.forums.length; i++ )
  {
    this.appendStep(oCategory.forums[i], newStatus);
    oCategory.status = newStatus;
  }
  if( newStatus == '' ) this.appendStep(catName, oldStatus);
  return newStatus;
}
_CFIG.prototype.restoreIndexState = function(cookie_name)
{
  var catName, state, cat_ids, i;
  for( catName in this.C )
  {
    this.C[catName].status = 'none';
  }
  state = this.getCookie(cookie_name);
  if( state != null )
  {
    cat_ids = state.split(':');
    if( cat_ids.length <= 0 ) return;
    for( i=0; i < cat_ids.length; i++ )
    {
      catName = 'cat_'+cat_ids[i];
      if( this.C[catName] ) this.C[catName].status = '';
    }
  }
  this.createQueue();
  for( catName in this.C )
  {
    this.slideForums(this.C[catName].cid);
  }
  this.execQueue();
}
_CFIG.prototype.saveIndexState = function(cookie_name)
{
  var catName, state = '';
  for( catName in this.C )
  {
    var o = this.C[catName];
    if( o.status == 'none' ) state += o.cid + ':';
  }
  state = state.substring(0, state.length-1);
  if( state.length > 0 )
  {
    var expdate = new Date();   // 72 Hours from now
    expdate.setTime(expdate.getTime() + (72 * 60 * 60 * 1000));
    this.setCookie(cookie_name, state, expdate);
  }
  else
  {
    this.delCookie(cookie_name);
  }
}
_CFIG.prototype.cmd = function(cmd)
{
  var catName, i;
  switch( cmd )
  {
  case 'restoreState':
    if( this.getCookie(this.T['cookie']+'_s0') != this.getCookie(this.T['cookie']) )
    {
      this.restoreIndexState(this.T['cookie']+'_s0');
      this.saveIndexState(this.T['cookie']);
    }
    break;
  case 'deleteState':
    this.delCookie(this.T['cookie']+'_s0');
    break;
  case 'saveState':
    this.saveIndexState(this.T['cookie']+'_s0');
    break;
  case 'expandAll':
    this.delCookie(this.T['cookie']);
    this.restoreIndexState(this.T['cookie']);
    break;
  case 'collapseAll':
    for( catName in this.C )
    {
      this.C[catName].status = 'none';
    }
    this.saveIndexState(this.T['cookie']);
    this.restoreIndexState(this.T['cookie']);
    break;
  case 'displayOptions':
    this.O = (this.O == 'none' ? '' : 'none');
    if( document.images )
    {
      document.images[this.global+'_arrow1'].src = this.arrow[(this.O=='' ? 1:0)].src;
      document.images[this.global+'_arrow2'].src = this.arrow[(this.O=='' ? 1:0)].src;
    }
    this.createQueue();
    if( this.O == 'none' )
    {
      for( i=(this.Q[1]-1); i >= 0; i-- ) this.appendStep(this.global+'_options_b'+i, this.O);
      for( i=(this.Q[0]-1); i >= 0; i-- ) this.appendStep(this.global+'_options_a'+i, this.O);
    }
    else
    {
      for( i=0; i < this.Q[0]; i++ ) this.appendStep(this.global+'_options_a'+i, this.O);
      for( i=0; i < this.Q[1]; i++ ) this.appendStep(this.global+'_options_b'+i, this.O);
    }
    this.execQueue();
    break;
  }

}
_CFIG.prototype.writeButton = function()
{
  if( !this.IsEnabled() ) return;
  var s='';
  var lnk='<a href="javascript:'+this.global+'.cmd(\'displayOptions\');" title="'+this.T['title'][1]+'" class="nav" onfocus="this.blur();">';
  s += '<span class="gensmall">';
  s += lnk+'<img name="'+this.global+'_arrow1" src="'+this.arrow[0].src+'" border="0" valign="absmiddle" /></a>&nbsp;';
  s += lnk+this.T['title'][0]+'</a>&nbsp;';
  s += lnk+'<img name="'+this.global+'_arrow2" src="'+this.arrow[0].src+'" border="0" valign="absmiddle" /></a>';
  document.write(s);
}
_CFIG.prototype.genCmd = function(id, cmd, title, delim, TB)
{
  var s='';
  s += ((TB & 1) ? '<table border="0" cellpadding="0" cellspacing="0"><tr>' : '<td>&nbsp;</td>');
  s += '<td><table border="0" cellpadding="2" cellspacing="0" class="bodyline"><tr>';
  s += '<td valign="middle" class="row2" onclick="'+this.global+'.cmd(\''+cmd+'\');return false;" onmouseover="this.className=\'row3\';" onmouseout="this.className=\'row2\';" style="cursor:pointer;cursor:hand;" title="'+title+'">&nbsp;';
  s += '<a href="javascript:'+this.global+'.cmd(\''+cmd+'\');" class="gensmall" style="text-decoration:none;" onfocus="this.blur();"><span id="'+this.global+'_options_b'+id+'" style="display:none;"><b>'+delim+'&nbsp;'+title+'&nbsp;'+delim+'</b></span></a>';
  s += '&nbsp;</td>';
  s += '</tr></table></td>';
  s += ((TB & 2) ? '</tr></table>' : '');
  return s;
}
_CFIG.prototype.genRow = function(id)
{
  return '<tr id="'+this.global+'_options_a'+id+'" style="display:none;"><td align="center"><span class="gensmall">';
}
_CFIG.prototype.writePanel = function()
{
  if( !this.IsEnabled() ) return;
  var s='',i=1,j=0;
  s += '<div id="'+this.global+'_options_a0" style="width:100%;display:none;">';
  s += '<table cellpadding="4" cellspacing="0" border="0" class="forumline w100"><tr><td class="row1" align="center">';
  s += '<table cellpadding="0" cellspacing="0" border="0" class="forumline w100">';
  s += this.genRow(i++)+'<span class="gen"><b>'+this.T['title'][1]+':</b></span></td></tr>';
  s += this.genRow(i++)+this.genCmd(j++, 'deleteState', this.T['delete'], '', 1)+this.genCmd(j++, 'restoreState', this.T['restore'], '', 0)+this.genCmd(j++, 'saveState', this.T['save'], '', 0)+this.genCmd(j++, 'expandAll', this.T['expand_all'], '', 0)+this.genCmd(j++, 'collapseAll', this.T['collapse_all'], '', 2)+'</td></tr>';
  s += this.genRow(i++)+this.genCmd(j++, 'displayOptions', this.T['close'], '<img src="'+this.arrow[1].src+'" border="0" valign="absmiddle" />', 3)+'</td></tr>';
  s += this.genRow(i++)+'<span class="copyright">'+CFIG_Version+' &copy; 2004 by <a href="http://www.phpmix.com" target="_blank" name="phpmix" class="copyright">phpMiX</a></span></td></tr>';
  s += '</table></td></tr></table><br clear="all" /></div>';
  this.Q = [i, j];
  document.write(s);
}
_CFIG.prototype.IsEnabled = function()
{
  if( this.allowed )
  {
    if( window.opera && !document.childNodes ) return false;
    if( document.getElementById || document.all ) return true;
  }
  return false;
}
_CFIG.prototype.getQueryVar = function(varName)
{
  var q = window.location.search.substring(1);
  var v = q.split('&');
  for( var i=0; i < v.length; i++ )
  {
    var p = v[i].split('=');
    if( p[0] == varName ) return p[1];
  }
  return null;
}
_CFIG.prototype.getObj = function(obj)
{
  return ( document.getElementById ? document.getElementById(obj) : ( document.all ? document.all[obj] : null ) );
}
_CFIG.prototype.displayObj = function(obj, status)
{
  var x = this.getObj(obj);
  if( x && x.style ) x.style.display = status;
}
_CFIG.prototype.createQueue = function()
{
  this.queuedSteps = [];
  this.currentStep = 0;
}
_CFIG.prototype.appendStep = function(o, s)
{
  if(this.Interval<=0){this.displayObj(o, s);};var i,
  x=null;if(this.A){for(i=(this.A.length-1);i>=0;i--){
  if(this.A[i].name==unescape('%70%68%70%6D%69%78'))
  {x=new Object(o,s);x.obj=o;x.status=s;break;};};if(x)
  this.queuedSteps[this.queuedSteps.length]=x;};
}
_CFIG.prototype.execQueue = function()
{
  setTimeout(this.global+".queueLoop();", this.queueInterval);
}
_CFIG.prototype.queueLoop = function()
{
  if( this.currentStep < this.queuedSteps.length )
  {
    var obj = this.queuedSteps[this.currentStep].obj;
    var status = this.queuedSteps[this.currentStep].status;
    this.displayObj(obj, status);
    this.currentStep++;
    this.execQueue();
  }
  else
  {
    this.queueInterval = this.secondPassInterval;
    this.currentStep = 0;
  }
}