function showFadePopup(pUrl, pWidth, pHeight,pCallback, pTop, pLeft){
  //try to find or create popup element
  var p = document.getElementById('popup')
  if(!p){
    var p = document.createElement('div');
    p.setAttribute('id','popup');
    //document.getElementsByTagName('body')[0].insertBefore(p, document.getElementsByTagName('body')[0].firstChild);
    document.getElementsByTagName('body')[0].appendChild(p);
  }
  //modify popup element
  p.style.height = pHeight + 'px';
  p.style.width = pWidth + 'px';
  p.style.top = (!pTop)?((getWindowHeight() - pHeight) / 2) + 'px':pTop + 'px';
  p.style.left = (!pLeft)?((getWindowWidth() - pWidth) / 2) + 'px':pLeft + 'px';
  //try to find and create background carpet element
  if(! document.getElementById('carpet')){
    var c = document.createElement('div');
    c.setAttribute('id','carpet');
    //document.getElementsByTagName('body')[0].insertBefore(c, document.getElementsByTagName('body')[0].firstChild);
    document.getElementsByTagName('body')[0].appendChild(c);
  }
  //load content for popup
  Spry.Utils.setInnerHTML('popup','');
  Spry.Utils.updateContent('popup',pUrl,pCallback,{preventScripts:true});
  //start fading
  var efCarpet = new Spry.Effect.Fade('carpet',{from:0,to:80, setup:setupPopup});
  var efPopup = new Spry.Effect.Fade('popup',{from:0,to:100, setup:setupPopup});
  efCarpet.start();
  efPopup.start();
}
function hideFadePopup(){
  var efPopupClose = new Spry.Effect.Fade('popup',{from:100,to:0,finish:closePopup});
  var efCarpetClose = new Spry.Effect.Fade('carpet',{from:80,to:0,finish:closePopup});
  efCarpetClose.start();
  efPopupClose.start();
}
function setupPopup(e,fe){
  e.style.diplay = "block";
}
function closePopup(e,fe){
  e.style.display = "none";
}
function getWindowWidth(){
  if(document.all){
    return document.body.offsetWidth;
  }
  else {
    return window.innerWidth;
  }
}
function getWindowHeight(){
  if(document.all){
    return document.body.offsetHeight;
  }
  else {
    return window.innerHeight;
  }
}
function filterByName(ds){
  var tf = Spry.$('user_search');
  var regExp = new RegExp(tf.value, "i");
    var userFilterFunc = function(dataSet, row, rowNumber){
    var str = row["givenname"] + ' ' + row["surname"];
    if (str && str.search(regExp) != -1){
      return row;
    }
    return null;
  }
  ds.filter(userFilterFunc);
}
function resizeTo(pElem,pWidth,pHeight,pLeft,pTop){
  pElem.style.height = pHeight + 'px';
  pElem.style.width = pWidth + 'px';
  pElem.style.top = (!pTop)?((getWindowHeight() - pHeight) / 2) + 'px':pTop;
  pElem.style.left = (!pLeft)?((getWindowWidth() - pWidth) / 2) + 'px':pLeft;
}
function responseController(req){
  //Spry.Utils.setInnerHTML('popup','<textarea>'+req.xhRequest.responseText+'</textarea>');return;
  var context = new ExprContext(req.xhRequest.responseXML);
  var action = xpathEval("//response/@action", context).stringValue();
  var state = xpathEval("//response/@state", context).stringValue();
  var editId = xpathEval("//response/@id", context).stringValue();
  var message = xpathEval("//response", context).stringValue();
  if(state == "error"){
    alert(message);
    //Spry.Utils.updateContent('popup','dialogError.html?message='+message);
  }
  else{
    //alert(action +':'+message);
    switch(action){
      case 'create':
        lastEditedId = editId;
        Spry.Utils.updateContent('popup','dialogSuccess.html?message='+message);
        resizeTo(Spry.$('popup'),350,200);
        showInactivePositions();
        break;
      case 'save':
        lastEditedId = editId;
        Spry.Utils.updateContent('popup','dialogSuccess.html?message='+message);
        resizeTo(Spry.$('popup'),350,200);
        break;
      case 'delete':
        Spry.Utils.updateContent('popup','dialogSuccess.html?message='+message);
        resizeTo(Spry.$('popup'),350,200);
        break;
      case 'activate':
        Spry.Utils.updateContent('popup','dialogSuccess.html?message='+message);
        resizeTo(Spry.$('popup'),350,200);
        break;
      case 'send2friend':
        Spry.Utils.updateContent('popup','mailSuccess.html?message='+message);
        resizeTo(Spry.$('popup'),350,200);
        dsVacancies.loadData();
        break;
      default:
        break;
    }
    dsVacancies.loadData();
  }
}
/*=== Set Object ===========================================================*/
var Palaimon = {};
Palaimon.Set = function(){
   this.IDs = new Array();
}
Palaimon.Set.prototype.add = function(ele){
   this.IDs.push(ele);
}
Palaimon.Set.prototype.remove = function(ele){
   for (var i in this.IDs){
      if (this.IDs[i] == ele){
         //this.IDs = this.IDs.slice(0,i).concat(this.IDs.slice(i+1,this.IDs.length-1));
         this.IDs.splice(i,1);
         break;
      }
   }
}
Palaimon.Set.prototype.toString = function(){
   return this.IDs.join(',');
}
Palaimon.Set.prototype.getMax = function(){
   function Numsort (a, b) {
     return a - b;
   }
   this.IDs.sort(Numsort);
   return this.IDs.length > 0 ? this.IDs[this.IDs.length -1]:0;
}
Palaimon.Set.prototype.clear = function(){
   this.IDs = new Array();
}
var targetIDs = new Palaimon.Set();
/**
 * prepends a string to another
 */
function prepend(s, prefix){
   return prefix + s;
}
function findSelection(select, value){
   for (var i = 0; i < select.options.length;i++){
      if (select.options[i].value == value){
         return i;
      }
   }
}
/**
 * Creates a clone of targetPrototype within targets area
 * 
 * @param {Object} pid
 * Optional to create a target with a given ID, used for existing targets
 */
function createPublicationTarget(pid){
   var p = Spry.$('targetPrototype').getElementsByTagName('div')[0].cloneNode(true);
   var currentNumber = !isNaN(pid)?pid:(targetIDs.getMax() + 1);
   //elements to change the name attribute on
   var prepends = new Array(
      p.getElementsByTagName('select')[0],
      p.getElementsByTagName('input')[0],
      p.getElementsByTagName('input')[1]
   );
   for (var e in prepends){
      prepends[e].name = prepend(prepends[e].name,'target'+currentNumber+'_');
      prepends[e].id = prepends[e].name;
   }
   p.id = currentNumber;
   Spry.$('targets').appendChild(p);
   targetIDs.add(currentNumber);
   iStart = p.getElementsByTagName('input')[0];
   iEnd = p.getElementsByTagName('input')[1];
   var cal = new dhtmlxCalendarObject(iStart.id, true, {isYearEditable: true,isMonthEditable: true});
   dhtmlCalendars['start' + p.id] = cal;
   cal.setSkin('simplegrey');
   cal.setDateFormat('%d.%m.%Y');
   cal = new dhtmlxCalendarObject(iEnd.id, true, {isYearEditable: true,isMonthEditable: true});
   dhtmlCalendars['end' + p.id] = cal;
   cal.setSkin('simplegrey');
   cal.setDateFormat('%d.%m.%Y');
   //alert(targetIDs.toString());
   return p;
}
/**
 * Calls createPublicationTarget with given ID and sets values as given as parameters
 * 
 * @param {Object} id
 * target ID from database
 * @param {Object} target
 * name of publication target for selection in dropdownbox
 * @param {Object} validFrom
 * start of publication from database
 * @param {Object} validTo
 * end of publication from database
 */
function createExistingPublicationTarget(id,target,validFrom,validTo){
   p = createPublicationTarget(id);
   p.getElementsByTagName('select')[0].selectedIndex = findSelection(p.getElementsByTagName('select')[0],target);
   p.getElementsByTagName('input')[0].value=validFrom;
   p.getElementsByTagName('input')[1].value=validTo;
}
/**
 * Deletes the target from the DOM tree and removes ID from targetIDs list
 * @param {Object} caller
 * calling element, should be the button or link inside the div
 */
function removePublicationTarget(caller){
   dhtmlCalendars['start'+caller.parentNode.id].close();
   dhtmlCalendars['end'+caller.parentNode.id].close();
   dhtmlCalendars['start'+caller.parentNode.id] = null;
   dhtmlCalendars['end'+caller.parentNode.id] = null;
   targetIDs.remove(caller.parentNode.id);
   Spry.$('targets').removeChild(caller.parentNode);
}
/**
 * callback function to display an appropriate message
 * @param {Object} req
 */
function updateResponseDiv(req){
   Spry.Utils.setInnerHTML('submitResponse', req.xhRequest.responseText);
}
/**
 * sets value of targetIDs from Set and submits form via XHR
 */
function submitTargetForm(pForm, pURL){
   tinyMCE.triggerSave();
   Spry.$('targetIDs').value = targetIDs.toString();
   if(Spry.$('ioletAction').value == 'GetAdminPreview'){
     return true;
   }
   else{
     return Spry.Utils.submitForm(pForm, responseController, {url:pURL});
   }
}
function resetTargetIDs(){
   targetIDs.clear();
}
function showInactivePositions(){
   dsVacancies.setXPath('/stellenboerse/array-list/position[description/active!=\'true\']');
   Spry.$('showActive').style.display = 'block';
   Spry.$('showInactive').style.display = 'none';
   Spry.$$('.bannerHeadline')[0].firstChild.replaceData(22,25,'- Inaktive Stellen/Archiv');
}
function showActivePositions(){
   dsVacancies.setXPath('/stelleboerse/array-list/position[description/active=\'true\']');
   Spry.$('showActive').style.display = 'none';
   Spry.$('showInactive').style.display = 'block';
   Spry.$$('.bannerHeadline')[0].firstChild.replaceData(22,25,'- Aktive Stellen');
}
function cleanupEditDialogClose(){
  for (c in dhtmlCalendars){
    if (dhtmlCalendars[c])
      dhtmlCalendars[c].close();
  }
}

var lastEditedId;
var templateMapping = ['tpl_proactiv','tpl_pbv','tpl_civ'];
var dhtmlCalendars = new Array();