//browser detection

if (navigator.appName == "Netscape")var isNetscape = true;
if (navigator.appName == "Microsoft Internet Explorer") var isExplorer = true;
if (window.opera) var isOpera = true;
if (navigator.userAgent.toLowerCase().indexOf("safari") != -1) var isSafari=true;

//OS detection
if (navigator.appVersion.indexOf("Win") != -1) var isWin = true;
if (navigator.appVersion.indexOf("Mac") != -1) var isMac = true;
if (navigator.appVersion.indexOf("X11") != -1) var isUnix = true;
if (navigator.appVersion.indexOf("Linux") != -1) var isLinux = true;

//Version detection
var is_major = parseInt(navigator.appVersion);
var is_minor = parseFloat(navigator.appVersion);
var version = navigator.appVersion.substring(0, 1);

//windowDimensionDetection
var winWidth,winHeight;

function obj(objId) {
  return document.getElementById(objId);
}

function createEl(theEl) {
  return document.createElement(theEl);
}

function selectAllCheckBoxes(formId) {
  var f = obj(formId);
  for (var k = 0; k < f.elements.length; k++) {
    var e = f.elements[k];
    if (e.type.toLowerCase() == 'checkbox')
      e.checked = 'true';
  }
}

function getWindowDimensionH() {
  if (isNetscape) {
    winHeight = top.window.innerHeight;
  }
  if (isExplorer) {
    winHeight = document.documentElement.offsetHeight;
  }
  return winHeight;
}

function getWindowDimensionW() {
  if (isNetscape) {
    winWidth = top.window.innerWidth;
  }
  if (isExplorer) {
    winWidth = document.documentElement.offsetWidth;
  }
  return winWidth;
}

function sendWindowResizeMessage() {

  obj("commander").src = "/commons/tools/command.jsp?_VP_V_ID=26402331&CM=UPDATEWINSIZE&PAGE_HEIGHT=" + getWindowDimensionH() + "&PAGE_WIDTH=" + getWindowDimensionW();
}


function getEvent(){

    return window.event;

}

//mouse position detection
if (!isExplorer) document.captureEvents(Event.MOUSEMOVE)
document.onmousemove = getMouseXY;
var mouseX = 0
var mouseY = 0
function getMouseXY(e) {
  if (isExplorer) {
    mouseX = event.clientX + document.body.scrollLeft
    mouseY = event.clientY + document.body.scrollTop
  } else {
    mouseX = e.pageX
    mouseY = e.pageY
  }
  if (mouseX < 0) {
    mouseX = 0
  }
  if (mouseY < 0) {
    mouseY = 0
  }
  return true
}

function showHideDiv(divId) {
  if (obj(divId))
    if (obj(divId).style.visibility == 'hidden') {
      obj(divId).style.visibility = 'visible';
    } else {
      obj(divId).style.visibility = 'hidden';
    }
}

function showHideSpan(spanId) {
  if (obj(spanId))
    if (obj(spanId).style.display == 'none') {
      obj(spanId).style.display = '';
    } else {
      obj(spanId).style.display = 'none';
    }
}

function displayDiv(divId) {
  if (obj(divId))
    obj(divId).style.display = '';
  var i=0;
}

function displayNoneDiv(divId) {
  if (obj(divId))
    obj(divId).style.display = 'none';
}

function hideDiv(divId) {
  if (obj(divId))
    obj(divId).style.visibility = 'hidden';
}

function showDiv(divId) {
  if (obj(divId))
    obj(divId).style.visibility = 'visible';
}

function centerPopup(url, nome, w, h, scroll, resiz) {
  var winl = (screen.width - w) / 2;
  var wint = (screen.height - h) / 2;
  if(!resiz) resiz=true;
  resizable="resizable="+resiz;
  winprops = 'height=' + h + ',width=' + w + ',top=' + wint + ',left=' + winl + ',scrollbars=' + scroll + ','+resizable+', toolbars=false';
  win = window.open(url, nome, winprops)
  if (parseInt(navigator.appVersion) >= 4) {
    win.window.focus();
  }
}

//----------------------------------positioning------------------------------------------------------

// to determinate the real x position of the element
function getAbsoluteLeft(el) {
  xPos = el.offsetLeft;
  tempEl = el.offsetParent;
  while (tempEl != null) {
    xPos += tempEl.offsetLeft;
    tempEl = tempEl.offsetParent;
  }
  return xPos;
}

// to determinate the real y position of the element

function getAbsoluteTop(el) {
  yPos = el.offsetTop;
  tempEl = el.offsetParent;
  while (tempEl != null) {
    yPos += tempEl.offsetTop;
    tempEl = tempEl.offsetParent;
  }
  return yPos;
}

function getAbsoluteLeftWin(el) {
  if (isExplorer)
    xPos = window.screenLeft + getAbsoluteLeft(el);
  else
    xPos = window.screenX + getAbsoluteLeft(el);
  return xPos;
}

function getAbsoluteTopWin(el) {
  if (isExplorer)
    yPos = window.screenTop + getAbsoluteTop(el);
  else
    yPos = window.screenY + getAbsoluteTop(el);
  return yPos;
}


function positionIt(where, theObj) {

  //if (!distanceY) distanceY = 0;
  //if (!distanceX) distanceX = 0;

  var el = document.all ? document.all(where) : obj ? obj(where) : null;
  var target = document.all ? document.all(theObj) : obj ? obj(theObj) : null;
  if (el) {
    trueX = getAbsoluteLeft(el);
    //trueX += distanceX;
    trueY = getAbsoluteTop(el);
    var h = el.offsetHeight;
    elHeight = parseFloat(h);
    trueY += parseFloat(elHeight); //+ distanceY;
    target.style.left = trueX;
    target.style.top = trueY;
  }
}
//END positioning

function centerObject(objId) {
  if (obj(objId)) {
    var theObject = obj(objId)
    theObject.style.position = "absolute";
    theObject.style.top = (document.body.clientHeight - parseFloat(theObject.offsetHeight)) / 2;
    theObject.style.left = (document.body.clientWidth - parseFloat(theObject.offsetWidth)) / 2;
    //alert("H:"+theObject.offsetHeight+" W:"+theObject.offsetWidth);
  }
}


//END positioning


// event handling START -------------------------------

function getTarget(e) {
  if (isExplorer) {
    return e.srcElement;
  }
  if (isNetscape) {
    return e.target;
  }
}
function getKeyCode(e) {
  if (isExplorer) {
    return e.keyCode;
  }
  if (isNetscape) {
    return e.which;
  }
}



function stopBubble(e){
  if (isNetscape)
    e.stopPropagation();
  e.cancelBubble = true;
  return false;
}


// event handling END -------------------------------




// START xmlHttpRequestObject -------------------------------------------
var xmlHttpRequestObject;
function getXMLObj() {
  if (xmlHttpRequestObject) {
    return xmlHttpRequestObject;
  } else {
    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest) {
      try {
        req = new XMLHttpRequest();
      } catch(e) {
        req = false;
      }
      // branch for IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
      try {
        req = new ActiveXObject("Msxml2.XMLHTTP");
      } catch(e) {
        try {
          req = new ActiveXObject("Microsoft.XMLHTTP");
        } catch(e) {
          req = false;
        }
      }
    }
    xmlHttpRequestObject = req;
    return req;
  }
}

function loadSyncroContent(href, objId) {
  req = getXMLObj();
  //req.open('POST', href, false);
  req.open('GET', href, false);
  req.send(null);
  if (req.status == 200) {
    var ret = req.responseText;
    obj(objId).innerHTML = ret;
  }
}

// END xmlHttpRequestObject -------------------------------------------



// debugger ----------------------------------------------------------------------------

var debugPopup;
  var str = "";
function scriptDebugger() {
  str = str + "<br>";
  for (i = 0; i < arguments.length; i++) {
    str += arguments[i] + "<br>-------------------------------------------------------------<br>";
  }
  if (!debugPopup)
    debugPopup = window.open("", "debugWin", "width=300,height=200,resizable"); // a window object
  debugPopup.document.open("text/html", "replace");
  debugPopup.document.write("<HTML><HEAD><TITLE>New Document</TITLE></HEAD><BODY>" + str + "</BODY></HTML>");
  debugPopup.document.close();
}

// isRequired ----------------------------------------------------------------------------

function findTab(theEl){
  while ((theEl.getAttribute('isTabSetDiv')!="true")) {
  if(theEl.nodeName=='BODY') return "";
  theEl =isNetscape ? theEl.parentNode: theEl.parentElement;
  }
  return theEl.id;
}

var theRequiredTabset="";
var theOldtabSelId;
var allDiv;

function canSubmitForm(idForm) {
    var canSubmit=true;
    //var alertMessage=""
    elementsq= obj(idForm).elements.length;
for (h=0;h<=elementsq; h++){
     theElement= obj(idForm).elements[h];
     if (theElement && theElement.className=="formElementsError")
        theElement.className="formElements";
     if (theElement && (theElement.value=="" || theElement.value.length==0) && theElement.getAttribute('required')=="true" && theElement.type!="hidden"){
        theElement.className="formElementsError";
        //alertMessage+= theElement.name +'\n';
        canSubmit=false;
         if (theRequiredTabset=="")
          theRequiredTabset=findTab(theElement);
    }
 }

/*

 for (h=0;h<=elementsq; h++){
         theElement= obj(idForm).elements[h];
           if (theElement.className && theElement.className=="formElementsError")
              theElement.className="formElements";

           //if (theElement && !(theElement.value==''))
           //  alert(theElement.name)

           if (theElement &&
                (theElement.value=="" || theElement.value.length==0) &&
                theElement.getAttribute('required')=="true" &&
                (theElement.type!="hidden")){
              theElement.className="formElementsError";
              //alertMessage+= theElement.name +'\n';
              canSubmit=false;
               if (theRequiredTabset=="")
                theRequiredTabset=findTab(theElement);
        }
   }
*/
   //if (alertMessage!="")
   //   alert(alertMessage+"campi obbligatori")

   if (canSubmit==false)  {
       if (theRequiredTabset!=""){
         theSuffix="div_tabset_";
         therequiredTabLinkId=theRequiredTabset.substring(theSuffix.length, theRequiredTabset.length);
         allTabLabel= document.getElementsByTagName('TD');
         if (allTabLabel.length>0){
            for (i=0;i<=allTabLabel.length;i++){
             if (allTabLabel[i] && allTabLabel[i].className=="tabSelected"){
             allTabLabel[i].className="tabUnselected";
             //alert(allTabLabel[i].id+"   class=  "+allTabLabel[i].className)
             }
            }
         }
         obj(therequiredTabLinkId).className="tabSelected";

         if(obj(theOldtabSelId)) obj(theOldtabSelId).className="tabUnselected";
            allDiv= document.getElementsByTagName('DIV');
            if (allDiv.length>0){
            for (i=0;i<=allDiv.length;i++){
                 if (allDiv[i] && allDiv[i].id!=theRequiredTabset && allDiv[i].getAttribute('isTabSetDiv')=="true") allDiv[i].style.display="none";
                 obj(theRequiredTabset).style.display="";
            }
          }
         theRequiredTabset=""
       }
   }


  return canSubmit;
}






// verify before unload ----------------------------------------------------------------------------

document.onchange= init;
window.onbeforeunload = unloadMess;
var isChanged=false;

function findtheForm(theEl){
  while (theEl.nodeName != "FORM") {
    if(theEl.nodeName=='BODY') return "";
    theEl =isNetscape ? theEl.parentNode: theEl.parentElement;
   //scriptDebugger(theEl.nodeName+"   id= "+theEl.id+"   name= "+theEl.name)
  }
  return theEl;
}

function findValueElementAttribute(theElement, theAttribute){
	if (!theAttribute) theAttribute="alertOnChange";
	if (!theElement) theElement=document.body;
	if (theElement.getAttribute(theAttribute)) return theElement.getAttribute(theAttribute);
}

function init(e){
     if (!e) e = event;
	//window.focus();
	var theSource=getDOMSourceEvent(e);
	var theForm=findtheForm(theSource);
	if('true'==''+ findValueElementAttribute(theForm)){
	    isChanged=true;
	}
}

function getDOMSourceEvent(e){
    if (!e)
    e = event;
    return source = (e.target) ? e.target : e.srcElement;
}

function unloadMess(){
    if (isChanged!=false) {
     
      //mess = "missing_FORM_IS_CHANGED"
	    return mess;
    }
}




function addEvent(obj,event_name,func_name){
	if (obj.attachEvent){
		obj.attachEvent("on"+event_name, func_name);
	}else if(obj.addEventListener){
		obj.addEventListener(event_name,func_name,true);
	}else{
		obj["on"+event_name] = func_name;
	}
}

// Removes an event from the object
function removeEvent(obj,event_name,func_name){
	if (obj.detachEvent){
		obj.detachEvent("on"+event_name,func_name);
	}else if(obj.removeEventListener){
		obj.removeEventListener(event_name,func_name,true);
	}else{
		obj["on"+event_name] = null;
	}
}

// Stop an event from bubbling up the event DOM
function stopEvent(evt){
	evt || window.event;
	if (evt.stopPropagation){
		evt.stopPropagation();
		evt.preventDefault();
	}else if(typeof evt.cancelBubble != "undefined"){
		evt.cancelBubble = true;
		evt.returnValue = false;
	}
	return false;
}

// Get the obj that starts the event
function getElement(evt){
	if (window.event){
		return window.event.srcElement;
	}else{
		return evt.currentTarget;
	}
}
// Get the obj that triggers off the event
function getTargetElement(evt){
	if (window.event){
		return window.event.srcElement;
	}else{
		return evt.target;
	}
}
// For IE only, stops the obj from being selected
function stopSelect(obj){
	if (typeof obj.onselectstart != 'undefined'){
		addEvent(obj,"selectstart",function(){ return false;});
	}
}

/*    Caret Functions     */

// Get the end position of the caret in the object. Note that the obj needs to be in focus first
function getCaretEnd(obj){
	if(typeof obj.selectionEnd != "undefined"){
		return obj.selectionEnd;
	}else if(document.selection&&document.selection.createRange){
		var M=document.selection.createRange();
		var Lp=obj.createTextRange();
		Lp.setEndPoint("EndToEnd",M);
		var rb=Lp.text.length;
		if(rb>obj.value.length){
			return -1;
		}
		return rb;
	}
}
// Get the start position of the caret in the object
function getCaretStart(obj){
	if(typeof obj.selectionStart != "undefined"){
		return obj.selectionStart;
	}else if(document.selection&&document.selection.createRange){
		var M=document.selection.createRange();
		var Lp=obj.createTextRange();
		Lp.setEndPoint("EndToStart",M);
		var rb=Lp.text.length;
		if(rb>obj.value.length){
			return -1;
		}
		return rb;
	}
}
// sets the caret position to l in the object
function setCaret(obj,l){
	obj.focus();
	if (obj.setSelectionRange){
		obj.setSelectionRange(l,l);
	}else if(obj.createTextRange){
		m = obj.createTextRange();
		m.moveStart('character',l);
		m.collapse();
		m.select();
	}
}
// sets the caret selection from s to e in the object
function setSelection(obj,s,e){
	obj.focus();
	if (obj.setSelectionRange){
		obj.setSelectionRange(s,e);
	}else if(obj.createTextRange){
		m = obj.createTextRange();
		m.moveStart('character',s);
		m.moveEnd('character',e);
		m.select();
	}
}

/*    Escape function   */
String.prototype.addslashes = function(){
	return this.replace(/(["\\\.\|\[\]\^\*\+\?\$\(\)])/g, '\\$1');
}
String.prototype.trim = function () {
    return this.replace(/^\s*(\S*(\s+\S+)*)\s*$/, "$1");
};
/* --- Escape --- */

/* Offset position from top of the screen */
function curTop(obj){
	toreturn = 0;
	while(obj){
		toreturn += obj.offsetTop;
		obj = obj.offsetParent;
	}
	return toreturn;
}
function curLeft(obj){
	toreturn = 0;
	while(obj){
		toreturn += obj.offsetLeft;
		obj = obj.offsetParent;
	}
	return toreturn;
}
/* ------ End of Offset function ------- */

/* Types Function */

// is a given input a number?
function isNumber(a) {
    return typeof a == 'number' && isFinite(a);
}

/* Object Functions */

function replaceHTML(obj,text){
	while(el == obj.childNodes[0]){
		obj.removeChild(el);
	};
	obj.appendChild(document.createTextNode(text));
}


function addToFavorites(favoriteTitle){
    if(!favoriteTitle)favoriteTitle=document.title;
    if( window.sidebar && window.sidebar.addPanel ) {
        //Gecko (Netscape 6 etc.) - add to Sidebar
        window.sidebar.addPanel( favoriteTitle ? favoriteTitle:document.title, document.location.href, '' );
    } else if( window.external && ( navigator.platform == 'Win32' ||
          ( window.ScriptEngine && ScriptEngine().indexOf('InScript') + 1 ) ) ) {
        //IE Win32 or iCab - checking for AddFavorite produces errors in
        //IE for no good reason, so I use a platform and browser detect.
        //adds the current page page as a favourite; if this is unwanted,
        //simply write the desired page in here instead of 'location.href'
        window.external.AddFavorite( location.href, favoriteTitle ? favoriteTitle:document.title );
    } else if( window.opera && window.print ) {
        //Opera 6+ - add as sidebar panel to Hotlist
        return true;
    } else if( document.layers ) {
        //NS4 & Escape - tell them how to add a bookmark quickly (adds current page,
        //not target page)
        window.alert( 'Please click OK then press Ctrl+D to create a bookmark' );
    } else {
        //other browsers - tell them to add a bookmark (adds current page, not target page)
        window.alert( 'Please use your browser\'s bookmarking facility to create a bookmark' );
    }
    return false;
}



/*
// centralized onload system
*/

 var setQA,setStart,setDrop, setInitTree, setInitSizeTree;
init= function(){
    if (setStart==true) start();
    if (setQA==true) quickAccessPos();
    if (setDrop==true) dropInit();
    if (setInitTree==true) inittree();
    if (setInitSizeTree==true) initSizeTree();
}

window.onload=init;