/*
   Openbiz client utility file includes
   @author rockys swen
 */

 // ****** Set the bin path. *********
 var appHome = GetAppHome();
 if (appHome == "")
   appHome = "/demoapp/";
 var bizsrvr = appHome+"bin/"+"controller.php";
  //
 // **********************************

 var RPC_DEBUG = false;

 var objectArray = new Array();
 var activeForm = null;
 var onElement = null;

 function GetAppHome()
 {
   var _url = window.location;
   var _pathname = _url.pathname;
   // url is like http://hostname/apphome/binpath/controller.php?...
   if ((pos = _pathname.indexOf("/bin/controller.php")) >= 0)
      return _pathname.substring(0,pos)+"/";
   // url is like http://hostname/apphome/binpath/abc.php?...
   if ((pos = _pathname.indexOf("/bin")) >= 0)
      return _pathname.substring(0,pos)+"/";
   // url is like http://hostname/apphome/pages/abc.html
   if ((pos = _pathname.indexOf("/pages")) >= 0)
      return _pathname.substring(0,pos)+"/";

   // TODO: how to handle url rewrite? we have to hardcode app home in case of url rewrite
   return "";
 }

 function SetOnElement(elmName)
 {
   onElement = elmName;
 }

 function NewObject(objname, classname)
 {
   //alert(objname);
   if (objectArray[objname])
      return;
   else
   {
     if (!classname) return;
     try
     {
       var newobj  = eval("new "+classname+"('"+objname+"')");
       if (newobj)
         objectArray[objname] = newobj;
     }
     catch(e) {}
   }
 }
 function GetObject(objname)
 {
   if (objectArray[objname])
      return objectArray[objname];
   else
      return null;
 }

 function SetActiveForm(formname, active_form_cls, inactive_form_cls)
 {
    if (active_form_cls!=null)
      active_form_class = active_form_cls
    else
      active_form_class = 'active_form';
    if (inactive_form_cls!=null)
      inactive_form_class = inactive_form_cls;
    else
      inactive_form_class = 'inactive_form';
    // turn off the current form
    if (activeForm != null) {
      //document.forms[activeForm].classname = inactive_form_class;
      for (i=0; i<document.forms.length; i++)
         if (document.forms[i].name == activeForm) {
            document.forms[i].className = inactive_form_class;
            break;
         }
    }
    // turn on the new form
    activeForm = formname;
    for (i=0; i<document.forms.length; i++)
      if (document.forms[i].name == activeForm) {
         document.forms[i].className = active_form_class;
         break;
      }
 }

 function GoToView(view, rule, loadPageTarget, share)  // DataObj To Kept
 {
   URL = bizsrvr+"?view="+view;
   if (rule)
      URL += "&rule="+rule;
   if (share)
      URL += "&share="+share;

   //URL = bizsrvr+"?view="+view+"&form="+"&rule="+rule+"&share="+share;
   loadPage(URL, loadPageTarget);
 }

 function DrillDownToView(view, rule, loadPageTarget)
 {
   // need to render a fresh view.
   URL = bizsrvr+"?view="+view+"&form="+"&rule="+rule+"&hist=N";
   loadPage(URL, loadPageTarget);
 }

 // obj_method_params as format "obj.method('string',value)"
 // service, method, params, ...
 // funcType can be
 //   'RPC'(default)
 //   'Page'(reload url),
 //   'Form'(submit form with post),
 //   'Popup'(open popup with url),
 //   'FormPopup'(open popup with form submit)
 /*function CallFunction(obj_method_params, funcType, loadPageTarget)
 {
    document.body.style.cursor = "wait";
    _funcType = !funcType ? null : "'"+funcType+"'";
    _loadPageTarget = !loadPageTarget ? null : "'"+loadPageTarget+"'";
    _callfunc = "_CallFunction('"+obj_method_params+"',"+_funcType+","+_loadPageTarget+")";
    setTimeout(_callfunc, 0);
 }*/
 function CallFunction(obj_method_params, funcType, loadPageTarget)
 {
   //alert (obj_method_params + "," + funcType + "," + loadPageTarget);
   if (funcType == null)
      funcType = "RPC";

   // find the first "("
   var pos0 = obj_method_params.indexOf("(");
   var obj_method = obj_method_params.substring (0,pos0);

   pos0 = obj_method.lastIndexOf(".");
   // parse object name
   var obj = "NULL";
   var attachData= null;
   if (pos0>0)
      obj = obj_method.substring(0,pos0);

   // parse method/function name
   var pos1 = obj_method_params.indexOf("(");
   if (pos1>pos0)
   {
      var method = obj_method_params.substring(pos0+1,pos1);
      var pos2 = obj_method_params.indexOf(")");
      if (pos1>pos0)
      {
         // get parameters
         var params = obj_method_params.substring(pos1+1,pos2);
         var params_array = Array();
         if (params)
            params_array = params.split(",");
         var paramArray = new Array(2+params_array.length);
         paramArray[0] = obj;
         paramArray[1] = method;
         for(i=0;i<params_array.length;i++)  paramArray[2+i] = params_array[i];

         // try to call client object function
         var client_obj = GetObject(obj);
         if (client_obj)
            return CallObjectMethod(client_obj, method, funcType, loadPageTarget, params_array);

         if (funcType=="RPC") {
            XmlHttpRPC(bizsrvr, CallbackFunction, "RPCInvoke", paramArray, null);
            document.body.style.cursor = "default";
            return;
         }

         URL = composeURL(bizsrvr, "Invoke", paramArray, null, funcType, loadPageTarget);
         if (funcType=="Page")
            loadPage(URL, loadPageTarget);
         else if (funcType=="Popup")
            loadPopup(URL);
         else if (funcType=="Form")
            alert("Cannot submit an unknown form.");
         else if (funcType=="FormPopup")
            alert("Cannot submit an unknown form to show a popup.");
         else
            alert("invalid function type '"+funcType+"'");
      }
    }
 }

function CallObjectMethod(client_obj, method, funcType, loadPageTarget, params_array)
{
   client_obj.m_FunctionType = funcType;
   client_obj.m_LoadPageTarget = loadPageTarget;
   if (client_obj[method])
      client_obj[method](params_array);
   else
      client_obj.CallFunction(method,params_array);
   document.body.style.cursor = "default";
}

function dummy_callback(returval) {}

// TODO: replace with JASON return content ???
function CallbackFunction(returval)
 {
   document.body.style.cursor = "default";

   if (returval.length > 10 && returval.indexOf("<___TARGET___>") < 0)
   {
      popupErrorText(returval, 600, 500);
      return;
   }

   var tmp = new Array(2);
   tmp[0] = ""; // store the content
   tmp[1] = 0; // store the next start position
 for (i=0;i<10;i++)
 {
   tmp = ExtractItem(returval, "<___TARGET___>", tmp[1]);
   if (!tmp) return;
   var tgtname = tmp[0];
   tmp = ExtractItem(returval, "<___CONTENT___>", tmp[1]);
   if (!tmp) return;
   var content = tmp[0];

   if (tgtname == "ERROR") {
      popupErrorText(content);
      return;
   }
   if (tgtname == "POPUP") {
      popupWindow(content,600,500);
      return;
   }
   if (tgtname == "FUNCTION") {
      eval(content);
      continue;
   }

   // try to call client object function
   var client_obj = GetObject(tgtname);
   if (client_obj)
   {
      client_obj.CallbackFunction(content);
      CallbackFunction(returval.substring(tmp[1], returval.length));
      return;
   }
   else if (window.opener)     // for popup window
   {
      var client_obj = window.opener.window.GetObject(tgtname);
      if (client_obj)
      {
         client_obj.CallbackFunction(content);
         CallbackFunction(returval.substring(tmp[1], returval.length));
         //self.close();  // update parent opener form, close the popup itself
         return;
      }
   }

   // if no client object, default handle the return content
   //var containerName = this.m_Name+"_container";
   var containerName = tgtname;
   var dt = document.getElementById(containerName);
   if (dt)
      dt.innerHTML = content;
   else
      alert("Cannot find html object with name as "+containerName);
 }
}
 /*
 var str = "TARGET:7:LCOrder;CONTENT:13:<html></html>;";
 var r = ExtractItem(str, "TARGET", 0);
 var r = ExtractItem(str, "CONTENT", r[1]);
 */
 function ExtractItem(str, startTag, start)
 {
   var endTag = startTag.substring(0,1)+"/"+startTag.substring(1,startTag.length);
   var pos0 = str.indexOf(startTag, start);
   if (pos0>=0)
   {
      pos0 += startTag.length;
      var pos1 = str.indexOf(endTag, start);
      if (pos1>pos0)
      {
         var tmparray = Array(2);
         tmparray[0] = str.substring(pos0, pos1);
         tmparray[1] = pos1 + endTag.length;
         return tmparray;
      }
   }
   return null;
 }

function CollectData(formName)
{
   return $(formName).serialize();
}

function FlagField(field_name)
{
   var field = myform[field_name];
   field.className ='err';
}


// TODO: PROTOTYPE.js Object.extend ???
// http://wanderingken.com/2006/04/01/extending-prototype-classextend
// --------- AjaxForm ----------- //

Function.prototype.inheritsFrom = function( parentClassOrObject ){
	if ( parentClassOrObject.constructor == Function )
	{
		this.prototype = new parentClassOrObject;
		this.prototype.constructor = this;
		this.prototype.parent = parentClassOrObject.prototype;
	}
	return this;
}

function AjaxForm(name)
{
   this.m_Name = name;
   this.m_FunctionType = "RPC"
   this.m_LoadPageTarget = null;
}
//set methods
AjaxForm.prototype.GetFormControl = function (controlName)
{eval
   var myform = document.getElementById(this.m_Name);
   return myform[controlName];
}
AjaxForm.prototype.CallFunction = function (method, params_array)
{
   funcType = this.m_FunctionType;
   loadPageTarget = this.m_LoadPageTarget;

   if(typeof(isRichText) != 'undefined' && window.hasRTEControls && hasRTEControls()) // check if current mode has RTE control
      updateRTEs();

   formData = this.CollectFormData();

   var paramArray = new Array(2+params_array.length);
   obj = this.m_Name;
   paramArray[0] = obj;
   paramArray[1] = method;
   for(i=0;i<params_array.length;i++)  paramArray[2+i] = params_array[i];

   if (funcType=="RPC") {

      XmlHttpRPC(bizsrvr, CallbackFunction, "RPCInvoke", paramArray, formData);
      return;
   }

   URL = composeURL(bizsrvr, "Invoke", paramArray, formData, funcType, loadPageTarget);
   if (funcType=="Page")
      loadPage(URL, loadPageTarget);
   else if (funcType=="Popup")
      loadPopup(URL);
   else if (funcType=="Form")
      submitForm(this.m_Name, URL);
   else if (funcType=="FormPopup")
      alert("not support FormPopup yet...");
   else
      alert("invalid function type '"+funcType+"'");
}
AjaxForm.prototype.CallbackFunction = function (retContent)
{
   this.Show(retContent);
}
AjaxForm.prototype.CollectFormData = function ()
{
   if (funcType=="RPC")
      return CollectData(this.m_Name);
}
AjaxForm.prototype.Show = function (retContent)
{
   if (retContent.indexOf("UPD_FLDS")==0)
   {
      var myform = document.getElementById(this.m_Name);
      if (!myform)
      {
         alert("Cannot find the form with name "+formName);
         return;
      }
      pos0=0; pos1=0;
      while(1)
      {
         fld=""; val="";
         pos0 = retContent.indexOf("[", pos1);
         if (pos0<0) break;
         pos1 = retContent.indexOf("]", pos0);
         if (pos0>0 && pos1>pos0)
            fld = retContent.substring(pos0+1,pos1);
         pos0 = retContent.indexOf("<", pos1);
         if (pos0<0) break;
         pos1 = retContent.indexOf(">", pos0);
         if (pos0>0 && pos1>pos0)
            val = retContent.substring(pos0+1,pos1);
         form_fld = myform.elements[fld];
         if (form_fld)  form_fld.value = val;
      }
      return;
   }
   var containerName = this.m_Name+"_container";
   var dt = $(containerName);
   if (dt) {
      dt.update(retContent);
      var tbody = document.getElementById(this.m_Name+"_tbody");
      if (tbody) {
         var selrow = tbody.getAttribute("SelectedRow");
         if (selrow)
            this.m_SelectedRow = selrow;
      }
      //if (window.TableKit)
      /*{
         $A(TableKit.options.resizableSelector).each(function(s){
					$$(s).each(function(t) {
						TableKit.Resizable.init(t);
					});
				});
      }*/
   }
   else
      alert("Cannot find html object with name as "+containerName);
}

// --------- jbForm ----------- //
function jbForm(name)
{
   jbForm.prototype.AjaxForm = AjaxForm;
   this.AjaxForm(name);

   //set properties
   this.m_FreshLoad = true;
   this.m_SelectedRow = 1;
   this.m_HasSubCtrls = 0;
   this.m_SortColumn = null;
   this.m_ReverseSort = 0;
}
//set inheritance
jbForm.inheritsFrom(AjaxForm);
//set methods
jbForm.prototype.CollectFormData = function ()
{
   if (funcType=="RPC") {
      formData = CollectData(this.m_Name);
      formData += "&__SelectedRow=" + this.m_SelectedRow;
      if (onElement) {  // get onfocus element, necessary for evenhandler's postaction
         formData += "&__this=" + onElement;
         onElement = null;
      }
      return formData;
   }
}
jbForm.prototype.GetSelectRow = function ()
{
   if (this.m_FreshLoad == true) {
      var tbody = document.getElementById(this.m_Name+"_tbody");
      if (tbody) {
         var selrow = tbody.getAttribute("SelectedRow");
         if (selrow)
            this.m_SelectedRow = selrow;
         var range = tbody.getAttribute("Range");
         if (range)
            this.m_Range = range;
      }
      this.m_FreshLoad = false;
   }
}
jbForm.prototype.SelectRecord = function (params_array)
{
   this.GetSelectRow();

   var index = params_array[0];
   if (index == this.m_SelectedRow)
      return;
   var clntOnly = params_array[1];  if(!clntOnly)  clntOnly=0;
   new_elem_id = this.m_Name+"_data_"+index;
   if (!document.getElementById(new_elem_id))
      return;
   cur_elem_id = this.m_Name+"_data_"+this.m_SelectedRow;
   FocusOn(new_elem_id, cur_elem_id);
   this.m_SelectedRow = index;
   //if (clntOnly==1) return; todo: enable this client only later

   this.CallFunction("SelectRecord", params_array);
}

jbForm.prototype.NextRow = function (params_array)
{
   this.GetSelectRow();
   param_array = new Array(parseInt(this.m_SelectedRow) + 1, 0);
   this.SelectRecord(param_array);
}
jbForm.prototype.PrevRow = function (params_array)
{
   this.GetSelectRow();
   param_array = new Array(parseInt(this.m_SelectedRow) -1, 0);
   this.SelectRecord(param_array);
}

jbForm.prototype.SortRecord = function (params_array)
{
   var sort_col = params_array[0];
   if (this.m_SortColumn == sort_col)
   this.m_ReverseSort = 1 - this.m_ReverseSort;
   else
   this.m_ReverseSort = 0;
   this.m_SortColumn = sort_col;
   params_array[0] = sort_col+","+this.m_ReverseSort;

   this.CallFunction("SortRecord", params_array);
}

jbForm.prototype.SaveRecord = function (params_array)
{
   myform = document.getElementById(this.m_Name);
   if (validateStandard(myform, 'err') == false)
      return;

   this.CallFunction("SaveRecord", params_array);
}

jbForm.prototype.DeleteRecord = function (params_array)
{
   if (!confirm("Are you sure you want to delete this record?"))
      return;

   this.CallFunction("DeleteRecord", params_array);
}

jbForm.prototype.Show = function (retContent)
{
   // call parent Show method
   //this.parent.Show.call(this,retContent);
   AjaxForm.prototype.Show.call(this,retContent);

   // set class as active_form. if this form is not the activeform, do nothing
   if (this.m_Name == activeForm)
      SetActiveForm(this.m_Name);

   // add key event handler for each enabled visible control
}

jbForm.prototype.KeyDown = function (keyCode)
{
   var myform = document.getElementById(this.m_Name);
   if (!myform) return;
   accelkeys = document.getElementById(this.m_Name+"_accelkeys");
   if (!accelkeys) return;
   accelkeys_str = accelkeys.innerHTML;
   comboKey = getComboKeyText(keyCode);
   // search the list in <div id=this.m_Name_accelkeys>[key:func]*</div>
   pos = accelkeys_str.indexOf("["+comboKey+":");
   if (pos >= 0) {
      pos = pos + comboKey.length + 2;
      pos1 = accelkeys_str.indexOf("]",pos);
      if (pos1 > pos) {
         func = accelkeys_str.substring(pos,pos1);
         //alert("found "+comboKey+","+func);
         SHIFT_DOWN = false; CTRL_DOWN  = false; ALT_DOWN   = false; // reset
         eval(func);
      }
   }
}

// reference code at http://www.cambiaresearch.com/cambia3/snippets/javascript/reference/javascript_charcodes.aspx
function getComboKeyText (keyCode)
{
   switch (keyCode) {
      case 13: keyText = "Enter"; break;
      case 27: keyText = "Escape"; break;
      case 33: keyText = "PageUp"; break;
      case 34: keyText = "PageDown"; break;
      case 35: keyText = "End"; break;
      case 36: keyText = "Home"; break;
      case 37: keyText = "Left"; break;
      case 38: keyText = "Up"; break;
      case 39: keyText = "Right"; break;
      case 40: keyText = "Down"; break;
      case 45: keyText = "Insert"; break;
      case 46: keyText = "Delete"; break;
      default: keyText = String.fromCharCode(keyCode);
   }

   if(CTRL_DOWN && SHIFT_DOWN && ALT_DOWN) return "Ctrl+Shift+Alt+"+keyText;
   else if(CTRL_DOWN && ALT_DOWN)   return "Ctrl+Alt+"+keyText;
   else if(SHIFT_DOWN && ALT_DOWN)  return "Shift+Alt+"+keyText;
   else if(CTRL_DOWN && SHIFT_DOWN) return "Ctrl+Shift+"+keyText;
   else if(CTRL_DOWN)   return "Ctrl+"+keyText;
   else if(SHIFT_DOWN)  return "Shift+"+keyText;
   else if(ALT_DOWN)    return "Shift+"+keyText
   return keyText;
}

if (document.addEventListener) {
	document.addEventListener("keydown", handleKeyDown, false);
	document.addEventListener("keyup", handleKeyPress, false);
} else {
	document.onkeydown = handleKeyDown;
	document.onkeyup = handleKeyPress;
}

// keyboard handler code

var SHIFT_KEY  = 16;
var CTRL_KEY   = 17;
var ALT_KEY    = 18;
var SHIFT_DOWN = false;
var CTRL_DOWN  = false;
var ALT_DOWN   = false;

function handleKeyPress(evt) {
  evt = (evt) ? evt : window.event
  var keyCode = evt.keyCode;

  if ( keyCode == SHIFT_KEY )
    SHIFT_DOWN = false;
  if ( keyCode == CTRL_KEY )
    CTRL_DOWN = false;
  if ( keyCode == ALT_KEY )
    ALT_DOWN = false;

   // call active form's keydown method
   if (keyCode != SHIFT_KEY && keyCode != CTRL_KEY && keyCode != ALT_KEY)
   {
      var client_obj = GetObject(activeForm);
      if (client_obj)
         client_obj.KeyDown(keyCode);
   }
}

function handleKeyDown(evt) {
  evt = (evt) ? evt : window.event;
  var keyCode = evt.keyCode;

  if ( keyCode == SHIFT_KEY )
    SHIFT_DOWN = true;
  if ( keyCode == CTRL_KEY )
    CTRL_DOWN = true;
  if ( keyCode == ALT_KEY )
    ALT_DOWN = true;
}

function navKeyPress(element, event)
{
  evt = (event) ? event : window.event;
  var keyCode = evt.keyCode;
  //alert(element.value+":"+keyCode);
  if (keyCode != 13)
     return;
  var page = element.value.substring(0, element.value.indexOf(" "));
  if (isNaN(parseInt(page)))   // check if number
     return false;
  var client_obj = GetObject(activeForm);
  var params_array = Array();
  params_array[0] = page;
  var client_obj = GetObject(activeForm);
  if (client_obj)
      client_obj.CallFunction("GotoPage", params_array);
  return false;
}

var browserType = BrowserSniff();
function BrowserSniff(){
  if (document.layers) return "NS";
  if (document.all) return "IE";
  if (document.getElementById) return "MOZ";
  return "OTHER";
}

// RPC call using XMLHTTP
function XmlHttpRPC(rspage, callback, func, parms, formdata)
{
   new Ajax.Request(rspage, {
      onLoading: function() {
         Element.show(activeForm+'.load_disp'); // or $('createdb_img').show();
      },
      onComplete: function() {
         Element.hide(activeForm+'.load_disp');
      },
      onSuccess: function(transport){
         var response = transport.responseText || "no response text";
         if (RPC_DEBUG)
            debugWindow(XmlHttp.responseText);
         callback(response);
      },
      onFailure: function(transport){
        //alert('Something went wrong...')
        alert("There was a problem with the request. Status="+transport.status+", reason="+transport.statusText+", page="+rspage);
      },
      parameters: composeURLString(func, parms, formdata)
   })
}

function composeURL(rsPage, func, parms, formdata, funcType, loadPageTarget)
{
   base_url = composeURLString(func, parms, formdata);
   // insert __tgt="other" if popup or targetframe
   if (funcType == "Popup" || loadPageTarget)
      base_url = "_tgt=other&"+base_url;
   return rsPage+"?"+base_url;
}

function composeURLString(func, parms, formdata)
{
  funcData = "";
  if (func != null) {
    funcData = "F=" + escape(func);
    if (parms != null){
        for( var i=0; i < parms.length; i++ ){
          funcData += "&P" + i + "=[" + escape(parms[i]+'') + "]";
        }
    } // parms
  } // func
  else
    return "";

  if (formdata != null) {
      urlStr = funcData+"&"+formdata
  }
  else
      urlStr = funcData;
  return urlStr;
}

function loadPage(URL, targetFrame)
{
   if (!targetFrame)
   {
     window.location = URL;
   }
   else
   {
    tgtFrm = FindFrame(targetFrame);
    if (tgtFrm)
      tgtFrm.location = URL;   // traverse all frames
   }
}

// the following functions are added for popup function call
function loadPopup(URL)
{
  w = 600;
  h = 500;
  LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
  TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
  settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars=0,resizable=1,status=0';

  // open a window with name as form_popup and submit form to this new popup as target
  window.open (URL, "", settings);
}

function submitForm(formName, URL)
{
   formobj = document.forms[formName];
   if (!formobj) {
      alert("Cannot locate form "+formName);
      return;
   }
   formobj.method = "post";
   formobj.action = URL;
   formobj.submit();
}

function FindFrame(targetFrame)
{
   for (i=0; i<top.frames.length; i++)
   {
      if (top.frames[i].name == targetFrame)
         return top.frames[i];
   }
   return null;
}

function RedirectPage(sTargetURL)
{
   window.top.location.replace(sTargetURL);
}

function FocusOn(elemId, hltId)
{
   var elem = document.getElementById(elemId);
   if (elem) {
      if (hltId) {
         var hlt_elem = document.getElementById(hltId);
         if (hlt_elem) {
            var normalAttr = hlt_elem.getAttribute("normal");
            if (!normalAttr)
               hlt_elem.style.background = "white";
            else
               hlt_elem.className = normalAttr;
         }
      }
      var selAttr = elem.getAttribute("select");
      if (!selAttr)
         elem.style.background = selAttr ? selAttr : "#A4D3EE";
      else
         elem.className = selAttr;
   }
}

function popupErrorText(text)
{
   w = 500;
   h = 200;
   LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
   TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
   settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars=0,resizable=1';

   debugWindow = window.open("","",settings);
   body = "<body bgcolor=#D9D9D9>";
   body += text;
   body += "<center><p><input type=button value='Close Window' onclick='window.close();'></center></body>";
   debugWindow.document.writeln("<head><title>error</title>"+body+"</head>");
}

function moveToCenter(win, w, h)
{
   LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
   TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
   win.resizeTo(w,h);
   win.moveTo(LeftPosition, TopPosition);
   return;
}

function popupWindow(content, w, h)
{
   LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
   TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
   settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars=0,resizable=1,menubar=0,status=0';

   popupWindow = window.open("","",settings);
   popupWindow.document.writeln(content);
}

function debugWindow(content)
{
   w=600; h=480;
   LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
   TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
   settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars=1,resizable=1';

   dbgWindow = window.open("","rpc_debug",settings);
   //dbgWindow.document.writeln("<textarea rows='20' cols='80'>"+content+"</textarea>");
   dbgWindow.document.writeln(content);
}

function popupIWin(content, w, h)
{
   xi = document.body.clientWidth/2-w/2;
   yi = document.body.clientHeight/2-h/2;
	divStyle = "position: absolute; border:2 outset white; width:"+w+";height:"+h+";top: "+xi+"px; left: "+yi+"px;";
   var newDiv = document.createElement("<div id='tempbox' style='"+divStyle+"'>");

   shtml = "<div id='title' class='handle' handlefor='tempbox'>title</div>";
   shtml += content;
   newDiv.innerHTML = shtml;

   document.body.appendChild(newDiv);

   //obj = document.getElementById(objId);
   //if (obj)
   //{
   //   obj.style.display = '';
   //   obj.style.left=document.body.clientWidth/2-obj.offsetWidth/2+'px';
   //   obj.style.top=document.body.clientHeight/2-obj.offsetHeight/2+'px';
   //}
}

function resizeFrame(rows, cols)
{
   if (rows)
      top.document.body.rows = rows;
   if (cols)
      top.document.body.cols = cols;
}

function popupConfirm(question, yesFunc, noFunc)
{
   answer = confirm(question);
   if (answer)
   // do yesFunc
   eles
   // do noFunc
}

function focusFirstInput(formName)
{
   var inputs = $(formName).getElements();
   for (i=0; i<inputs.length; i++)
   {
      if (inputs[i].type != 'button' && !inputs[i].disabled)
      {
         inputs[i].focus();
         inputs[i].select();
         return;
      }
   }
   if (inputs.length >= 1)
      inputs[0].focus();
}

/**
 * handler for expanding / collapsing topic tree
 */
function mouseClickHandler(clickedNode) {
  	//var clickedNode = getTarget(e);
 	if (clickedNode.className == "collapsed")
			expand(clickedNode);
	else if (clickedNode.className == "expanded")
  		collapse(clickedNode);
}

/**
 * Collapses a tree rooted at the specified element
 */
function collapse(node) {
  node.className = "collapsed";
  node.src = plus.src;
  // set the UL as well
  var ul = getChildNode(node.parentNode, "UL");
  if (ul != null) ul.className = "collapsed";
}

/**
 * Expands a tree rooted at the specified element
 */
function expand(node) {
  	node.className = "expanded";
  	node.src = minus.src;
  	// set the UL as well
  	var ul = getChildNode(node.parentNode, "UL");
  	if (ul != null){
  		ul.className = "expanded";
  	}
}

/**
 * Returns the child node with specified tag
 */
function getChildNode(parent, childTag)
{
	var list = parent.childNodes;
	if (list == null) return null;
	for (var i=0; i<list.length; i++)
		if (list.item(i).tagName == childTag)
			return list.item(i);
	return null;
}

// rte stands for rich text editor
function editRichText(rte, w, h)
{
   rte_container = document.getElementById(rte + '_container');
   if (!rte_container) return;
   // replace the control (div) with editor
   if (!rte_container.onedit)
   {
      //Usage: writeRichText(fieldname, html, width, height, buttons, readOnly, inContainer)
      writeRichText(rte, rte_container.innerHTML, w, h, true, false, true);
      rte_container.onedit = "Y";
      rte_container.onclick = "";
   }
}

function setLanguage(lang)
{
   var _url = window.location;
   if (!_url.search || _url.search == "")
      _url_str = _url+'?lang='+lang;
   else
      _url_str = _url.toString().replace(new RegExp('&lang=..','g'),'')+'&lang='+lang;
   window.location=_url_str;
}

function initAutoSuggest(form, method, input, input_choice)
{
   if (!$(input).onedit)
   {
      var url = bizsrvr+"?"+composeURLString("RPCInvoke",[form,method,input]);
      new Ajax.Autocompleter(input, input_choice, url, {afterUpdateElement:getSelectionId});
      $(input).onedit = "Y";
   }
}

function getSelectionId(text, li) {
    var name = text.id;
    var name_pos = name.search('_hidden');
    var hidden_name = name.substring(0,name_pos);
    var hidden_obj =  document.getElementById(hidden_name);
    hidden_obj.value = li.id;
}

var ie5=document.all&&document.getElementById
var ns6=document.getElementById&&!document.all

var menuobj = null;

function showmenu(e, menuid){
	//Find out how close the mouse is to the corner of the window
	var rightedge=ie5? document.body.clientWidth-event.clientX : window.innerWidth-e.clientX
	var bottomedge=ie5? document.body.clientHeight-event.clientY : window.innerHeight-e.clientY

	menuobj=document.getElementById(menuid)
	if (!menuobj)
	   return true;

	//if the horizontal distance isn't enough to accomodate the width of the context menu
	if (rightedge<menuobj.offsetWidth)
		//move the horizontal position of the menu to the left by it's width
		menuobj.style.left=ie5? document.body.scrollLeft+event.clientX-menuobj.offsetWidth : window.pageXOffset+e.clientX-menuobj.offsetWidth
	else
		//position the horizontal position of the menu where the mouse was clicked
		menuobj.style.left=ie5? document.body.scrollLeft+event.clientX : window.pageXOffset+e.clientX

	//same concept with the vertical position
	if (bottomedge<menuobj.offsetHeight)
		menuobj.style.top=ie5? document.body.scrollTop+event.clientY-menuobj.offsetHeight : window.pageYOffset+e.clientY-menuobj.offsetHeight
	else
		menuobj.style.top=ie5? document.body.scrollTop+event.clientY : window.pageYOffset+e.clientY-15

	menuobj.style.visibility="visible"
	return false
}

function hidemenu(e){
	if (menuobj)
		menuobj.style.visibility="hidden"
	menuobj = null;
}

if(window.addEventListener){ // Mozilla, Netscape, Firefox
	document.addEventListener('click', hidemenu, false);
} else { // IE
	document.attachEvent('onclick', hidemenu);
}