/*
  ZWF Basic Insert Partial Content Utility System
  (c) 2010 - Jelmer van der Meer - ZWF Ontwerp
*/
var zwfb_bipcus = null;

function ZWFB_BipcusClient(comp, url, blocking, filler){
  this.blocking  = blocking;
  this.component = comp;
  this.remoteUrl = url;
  this.request   = null;
  this.result    = '';
  this.filler    = filler;

  this.execute = function(){
  	if(this.remoteUrl=='') return;
    this.loading();
    this.request = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");
    this.request.bipcusClient = this;
    this.request.open('GET', this.remoteUrl, !this.blocking);
    if(!this.blocking){
      this.request.onreadystatechange = function(){
        if(this.readyState==4){
          if(this.status==200) zwfb_bipcus.removeClient(this);
        }
      }
    }
    this.request.send();
    if(this.blocking) zwfb_bipcus.removeClient(this.request);
  }
  this.loading = function(){
    if(this.component=='return') return;
    if(this.component=='reload') return;
    if(this.component=='')       return;
    if(this.filler=='nochange')  return;

    var elem = document.getElementById(this.component);
    if(elem==null) return;

    elem.innerHTML = this.filler==null || this.filler==false || this.filler=='' ? '<div class="zwfb_loading">Pagina wordt geladen ... </div>' : this.filler;
  }
  this.finish = function(){
    if(this.component=='reload'){
      window.location.href = window.location.href;
      return;
    }
    else if(this.component=='return'){
      this.result = this.request.responseText;
      return;
    }
    else if(this.component=='') return;

    var elem = document.getElementById(this.component);
    if(elem==null) return;

    var content = this.request.responseText;
    var temp = this.clean(content);

    elem.innerHTML = '';

    if(temp[1]!=''){
      var ins = document.createElement('style');
      ins.text = temp[1];
      ins.type = 'text/css';
      document.getElementsByTagName('head')[0].appendChild(ins);
    }

    if(temp[3].length>0){
      for(var i=0; i<temp[3].length; ++i){
        if(zwfb_bipcus.checkCSS(temp[3][i])) continue;
        var ins = document.createElement("link");
        ins.setAttribute("rel", "stylesheet");
        ins.setAttribute("type", "text/css");
        ins.setAttribute("href", temp[3][i]);
        document.getElementsByTagName('head')[0].appendChild(ins);
      }
    }

    elem.innerHTML = temp[0];

    if(temp[2]!=''){
      var ins = document.createElement('script');
      ins.setAttribute('type', 'text/javascript');
      ins.text = temp[2];
      document.getElementsByTagName('head')[0].appendChild(ins);
    }
  }
  this.clean = function(contents){
    var temp = new Array();
    temp[0] = '';
    temp[1] = '';
    temp[2] = '';
    temp[3] = new Array();
    var index1 = 0, index2 = 0;
    while( (index1 = contents.indexOf('<style')) >= 0){
      index2 = contents.indexOf('</style', index1);
      if(index2>=0){
        temp[0] += contents.substring(0, index1);
        index1 = contents.indexOf('>', index1)+1;
        temp[1] += ' '+contents.substring(index1, index2);
        index2 = contents.indexOf('>', index2)+1;
        contents = contents.substring(index2);
      }
      else break;
    }

    contents = temp[0] + contents;
    temp[0] = '';

    var index1 = 0, index2 = 0;
    while( (index1 = contents.indexOf('<link')) >= 0){
      index2 = contents.indexOf('/>', index1);
      if(index2>=0){
        temp[0] += contents.substring(0, index1);
        index1 = contents.indexOf('href=', index1)+1;
        index1 = contents.indexOf('"', index1)+1;
        var index3 = contents.indexOf('"', index1);
        temp[3][temp[3].length] = contents.substring(index1, index3);
        contents = contents.substring(index2+2);
      }
      else break;
    }

    contents = temp[0] + contents;
    temp[0] = '';

    var index1 = 0, index2 = 0;
    while( (index1 = contents.indexOf('<script')) >= 0){
      index2 = contents.indexOf('</script', index1);
      if(index2>=0){
        temp[0] += contents.substring(0, index1);
        index1 = contents.indexOf('>', index1)+1;
        temp[2] += ' '+contents.substring(index1, index2);
        index2 = contents.indexOf('>', index2)+1;
        contents = contents.substring(index2);
      }
      else break;
    }

    temp[0] += contents;
    return temp;
  }
}

function ZWFB_BipcusClientManager(){
  this.csslinks = new Array();
  this.clients  = new Array();

  this.checkCSS = function(url){
    for(var i=0; i<this.csslinks.length; ++i) if(this.csslinks[i]==url) return true;
    this.csslinks[this.csslinks.length] = url;
    return false;
  }
  this.addResultClient = function(comp_id, url, filler){
    var newclient = new ZWFB_BipcusClient('return', url, true, filler);
    this.clients.push(newclient);
    newclient.execute();
    return newclient.result;
  }
  this.addBlockClient = function(comp_id, url, filler){
    var newclient = new ZWFB_BipcusClient(comp_id, url, true, filler);
    this.clients.push(newclient);
    newclient.execute();
    return true;
  }
  this.addClient = function(comp_id, url, filler){
    var newclient = new ZWFB_BipcusClient(comp_id, url, false, filler);
    this.clients.push(newclient);
    newclient.execute();
    return true;
  }
  this.removeClient = function(client_req){
    var new_array = new Array();
    for(var i in this.clients){
      if(this.clients[i].request==client_req) this.clients[i].finish();
      else new_array.push(this.clients[i]);
    }
    this.clients = new_array;
  }
}

zwfb_bipcus = new ZWFB_BipcusClientManager();

function ZWFB_ReloadItem(url, item){
  this.url  = url;
  this.item = item;

  this.equals = function(item, all){
    if(item.item!=this.item) return false;
    if(!all) return true;
    return item.url==this.url;
  }
  this.reloadSelf = function(){
    zwfb_bipcus.addClient(this.item, this.url);
  }
}
function ZWFB_ReloadPath(name, url, item){
  this.name  = name;
  this.paths = new Array();
  this.items = new Array();

  this.register = function(ipath, iurl, item){
    if(ipath.length<=0) this.items[this.items.length] = new ZWFB_ReloadItem(iurl, item);
    else{
      var next = ipath.pop();
      for(var i in this.paths){
        if(this.paths[i].name!=next) continue;
        this.paths[i].register(ipath, iurl, item);
        return;
      }
      var tmp = new ZWFB_ReloadPath(next, iurl, item);
      tmp.register(ipath, iurl, item);
      this.paths[this.paths.length] = tmp;
    }
  }
  this.unregister = function(ipath){
    if(ipath.length<=0) this.items = new Array();
    else{
      var next = ipath.pop();
      for(var i in this.paths) if(this.paths[i].name==next) this.paths[i].unregister(ipath.slice(0));
    }
  }
  this.reload     = function(ipath, event){
    if(ipath.length<=0) for(var i in this.items) event.register(this.items[i]);
    else{
      var next = ipath.pop();
      for(var i in this.paths) if(this.paths[i].name==next) this.paths[i].reload(ipath.slice(0), event);
    }
  }
}

function ZWFB_ReloadEvent(){
  this.items = new Array();

  this.register = function(item){
    for(var i in this.items) if(this.items[i].equals(item, false)) return;
    this.items[this.items.length] = item;
  }
  this.reload   = function(){
    for(var i in this.items) this.items[i].reloadSelf();
  }
}

function ZWFB_ReloadManager(){
  this.item = new ZWFB_ReloadPath('ROOT', '');

  this.register   = function(ipath, iurl, item){
    var patharray = ipath.split('/');
    patharray = patharray.reverse();
    this.item.register(patharray, iurl, item);
  }
  this.unregister = function(ipath){
    var patharray = ipath.split('/');
    patharray = patharray.reverse();
    this.item.unregister(patharray);
  }
  this.reload     = function(ipath){
    var patharray = ipath.split('/');
    patharray = patharray.reverse();
    var result    = new ZWFB_ReloadEvent();
    this.item.reload(patharray, result);
    result.reload();
  }
}

var zwfb_reloadmanager = new ZWFB_ReloadManager();

function zwfb_popuppresetclass(url, con){
  this.url     = url;
  this.content = con;
}

function zwfb_popupwindowclass(){
  this.presets  = new Array();
  this.popupbox = false;
  this.url      = false;
  this.x        = 0;
  this.y        = 0;
  this.count    = 0;
  this.nohide   = false;

  this.registerPreset = function(url, content){
    for(var i in this.presets){
      if(url!=this.presets[i].url) continue;
      else{
        this.presets[i].content = content;
        return;
      }
    }
    this.presets[this.presets.length] = new zwfb_popuppresetclass(url, content);
  }
  this.registerBox = function(item){
    this.popupbox = item;
    var elem = document.getElementById(item);
    if(elem!=null) return;
    var nelem = document.createElement('div');
    //nelem.setAttribute('class', 'popupwindow');
    nelem.setAttribute('id'   , item);
    nelem.setAttribute('style', 'position: fixed;');
    nelem.className   = 'popupwindow';
    nelem.onmouseover = function(){this.nohide = true; return false;};
    //nelem.onmouseout  = function(){this.nohide = false; zwfb_popup_box.hide(null); return false;};
    nelem.onclick     = function(){zwfb_popup_box.hide(null); return false;};
    nelem.style.left  = '2px';
    nelem.style.top   = '2px';

    var _body = document.getElementsByTagName('body')[0];
    if(_body==null) return;
    _body.appendChild(nelem);
    nelem.style.display = 'none';
  }
  this.show        = function(evt, url, show){
    if(!evt) evt = window.event;
    if(this.url==url && !show) return;
    this.url     = url;
    if(show==true){
    	this.move(evt);
    	this.delay(this.count);
    	this.nohide = true;
    }
  }
  this.hide        = function(evt){
  	if(this.nohide==true) return;
    var elem = document.getElementById(this.popupbox);
    if(elem==null) return;
    this.count++;
    elem.style.display = 'none';
  }
  this.delay       = function(inval){
    if(inval < this.count) return;
    if(this.url==false) return;
    var elem = document.getElementById(this.popupbox);
    if(elem==null){
      zwfb_popup_box.registerBox('mypopupbox');
      elem = document.getElementById(this.popupbox);    	
    	if(elem==null) return;
    }
    
    if(elem.style.display=='block') return;

    var found = false;
    for(var i in this.presets){
      if(this.presets[i].url==this.url){
        if(this.presets[i].content=='') elem.innerHTML = 'Geen extra informatie';
        else elem.innerHTML = this.presets[i].content;
        found = true;
      }
    }
    if(!found) zwfb_bipcus.addBlockClient(this.popupbox, this.url, ' ');
    elem.style.display = 'block';

    var window_w = 0;
    var window_h = 0;
    if(typeof(window.innerWidth)=='number'){
      window_w = window.innerWidth;
      window_h = window.innerHeight;
    }
    else{
      window_w = document.documentElement.clientWidth;
      window_h = document.documentElement.clientHeight;
    }

    if((this.x+elem.offsetWidth+20)>window_w) elem.style.left = (this.x - 5 - elem.offsetWidth)+'px';
    else elem.style.left    = (this.x + 5)+'px';

    if((this.y+elem.offsetHeight+5)>window_h) elem.style.top = (this.y - 5 - elem.offsetHeight)+'px';
    else elem.style.top     = (this.y + 5)+'px';
  }
  this.move       = function(evt){
    if(evt==null) evt = window.event;
    var nx = Math.abs(evt.clientX-this.x);
    var ny = Math.abs(evt.clientY-this.y);

    this.count++;
    this.x       = evt.clientX;
    this.y       = evt.clientY;

    if(nx > 5 || ny > 5) this.hide();
    if(nx < 4  || ny < 4 ) setTimeout('zwfb_popup_box.delay('+this.count+')', 250);
  }
  this.out       = function(url){
    if(this.url==url) this.url = false;
  }
}

var zwfb_popup_box = new zwfb_popupwindowclass();

function isIE(){return /msie/i.test(navigator.userAgent) && !/opera/i.test(navigator.userAgent);}
function getBaseURL() {
  var url     = location.href;
  var baseURL = url.substring(0, url.indexOf('/', 14));

  if(baseURL.indexOf('http://localhost') != -1){
    var url = location.href;  // window.location.href;
    var pathname = location.pathname;  // window.location.pathname;
    var index1 = url.indexOf(pathname);
    var index2 = url.indexOf("/", index1 + 1);
    var baseLocalUrl = url.substr(0, index2);
    return baseLocalUrl + "/";
  }
  else return baseURL + "/";
}
function findPos(obj){
  if(!obj) return 0;
  var curleft = 0;
  var curtop  = 0;
  if(obj.offsetParent){
    do{
      curleft += obj.offsetLeft;
      curtop += obj.offsetTop;
    }while(obj = obj.offsetParent);
  }
  return curleft;
}

function getChildNodes(elem){
  if(elem==null) return new Array();
  var nodes = elem.childNodes;
  var result = new Array();
  for(var i=0; i<nodes.length; ++i){
    if(nodes[i].className) result.push(nodes[i]);
  }
  return result;
}

function getChildNodesByClass(elem, clss, only_direct){
	if(!elem) elem = document.body;
	var elems  = only_direct ? elem.childNodes : document.getElementsByTagName('*');
	var result = new Array();
	for(var i=0; i<elems.length; ++i){
		if(!hasClass(elems[i], clss)) continue;
		else result.push(elems[i]);
	}
	return result;
}

function getElementByClass(clss, elem){
	if(!elem) elem = document;
	var elems = elem.getElementsByTagName('*');
	for(var i=0; i<elems.length; ++i) if(hasClass(elems[i], clss)) return elems[i];
	return null;
}
function getElementsByClass(clss, elem){
	if(!elem) elem = document;
	var elems = elem.getElementsByTagName('*');
	var result = new Array();
	for(var i=0; i<elems.length; ++i) if(hasClass(elems[i], clss)) result.push(elems[i]);
	return result;
}
function hasClass(elem,clss){
  if(elem==null) return false; 
	if(!elem.className) return false;	
  return elem.className.match(new RegExp('(\\s|^)'+clss+'(\\s|$)')); 
}
function addClass(elem,clss){
	if(!elem) return;
  if(!hasClass(elem,clss)){
  	if(elem.className) elem.className += " "+clss;
  	else elem.className = clss;
  }
}
function removeClass(elem,clss){
  if(hasClass(elem,clss)){
    var reg = new RegExp('(\\s|^)'+clss+'(\\s|$)');
    elem.className=elem.className.replace(reg,' ');
  }
}
function createCookie(name, value, days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else var expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name){
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

function eraseCookie(name){createCookie(name,"",-1);}

function addLoadEvent(func) { 
  var oldonload = window.onload; 
  if(typeof window.onload != 'function') window.onload = func;
	else{ 
	  window.onload = function(){ 
	    if(oldonload) oldonload(); 
	    func();
	  }
  }
}