/*
 +-------------------------------------------------------------------------+
 | Copyright (c) 2005, Kreotek LLC                                         |
 | All rights reserved.                                                    |
 +-------------------------------------------------------------------------+
 |                                                                         |
 | Redistribution and use in source and binary forms, with or without      |
 | modification, are permitted provided that the following conditions are  |
 | met:                                                                    |
 |                                                                         |
 | - Redistributions of source code must retain the above copyright        |
 |   notice, this list of conditions and the following disclaimer.         |
 |                                                                         |
 | - Redistributions in binary form must reproduce the above copyright     |
 |   notice, this list of conditions and the following disclaimer in the   |
 |   documentation and/or other materials provided with the distribution.  |
 |                                                                         |
 | - Neither the name of Kreotek LLC nor the names of its contributore may |
 |   be used to endorse or promote products derived from this software     |
 |   without specific prior written permission.                            |
 |                                                                         |
 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS     |
 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT       |
 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
 | PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT      |
 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,   |
 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT        |
 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,   |
 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY   |
 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT     |
 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE   |
 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.    |
 |                                                                         |
 +-------------------------------------------------------------------------+
*/

//Returns an object given an id
function getObjectFromID(id){
	var theObject;
	if(document.getElementById)
		theObject=document.getElementById(id);
	else
		theObject=document.all[id];
	return theObject;
}


// This Function returns the Top position of an object
function getTop(theitem){
	var offsetTrail = theitem;
	var offsetTop = 0;
	while (offsetTrail) {
		offsetTop += offsetTrail.offsetTop;
		offsetTrail = offsetTrail.offsetParent;
	}
	if (navigator.userAgent.indexOf("Mac") != -1 && typeof document.body.leftMargin != "undefined")
		offsetLeft += document.body.TopMargin;
	return offsetTop;
}

// This Function returns the Left position of an object
function getLeft(theitem){
	var offsetTrail = theitem;
	var offsetLeft = 0;
	while (offsetTrail) {
		offsetLeft += offsetTrail.offsetLeft;
		offsetTrail = offsetTrail.offsetParent;
	}
	if (navigator.userAgent.indexOf("Mac") != -1 && typeof document.body.leftMargin != "undefined")
		offsetLeft += document.body.leftMargin;
	return offsetLeft;
}

function loadXMLDoc(url,readyStateFunction,async)
{
	// branch for native XMLHttpRequest object
	if (window.XMLHttpRequest) {
		req = new XMLHttpRequest();
		req.onreadystatechange = readyStateFunction;
		req.open("GET", url, async);
		req.send(null);
	// branch for IE/Windows ActiveX version
	} else if (window.ActiveXObject) {
		req = new ActiveXObject("Microsoft.XMLHTTP");
		if (req) {
			if(readyStateFunction) req.onreadystatechange = readyStateFunction;
			req.open("GET", url, async);
			req.send();
		}
	}
}

function addEvent(obj, evType, fn){
 if (obj.addEventListener){
    obj.addEventListener(evType, fn, true);
    return true;
 } else if (obj.attachEvent){
    var r = obj.attachEvent("on"+evType, fn);
    return r;
 } else {
    return false;
 }
}
function removeEvent(obj, evType, fn, useCapture){
  if (obj.removeEventListener){
    obj.removeEventListener(evType, fn, useCapture);
    return true;
  } else if (obj.detachEvent){
    var r = obj.detachEvent("on"+evType, fn);
    return r;
  } else {
    window.status=("Handler could not be removed");
  }
}

function getViewportHeight() {
	if (window.innerHeight!=window.undefined) {
		return window.innerHeight;
		//var i=document.body.clientHeight;
		//return i;
	}
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientHeight;
	if (document.body) return document.body.clientHeight;
	return window.undefined;
}
function getViewportWidth() {
	if (window.innerWidth!=window.undefined) {
		return window.innerWidth;
		//var i=document.body.offsetWidth;
		//return i;
	}
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientWidth;
	if (document.body) return document.body.clientWidth;
	return window.undefined;
}

function disableSave(){
	var tempButton=getObjectFromID("saveButton1");
	if(tempButton)
		tempButton.disabled=true;
	tempButton=getObjectFromID("saveButton2");
	if(tempButton)
		tempButton.disabled=true;
}

function englishTime(thedate){
			var ampm = " AM";
			var hours = thedate.getHours()
			if(hours==0) hours=12;
			if (hours>12){
				var ampm = " PM";
				hours=hours-12
			}
			var minutes=thedate.getMinutes();
			if(minutes<10)
				minutes="0"+minutes;
			return hours+":"+minutes+ampm;
}

function englishDate(thedate){
	return (thedate.getMonth()+1)+"/"+thedate.getDate()+"/"+thedate.getFullYear();
}

function dateFromField(englishdate,englishtime){
	var theyear= parseInt(englishdate.substring(englishdate.lastIndexOf("/")+1));
	var themonth= parseInt(englishdate.substring(0,englishdate.indexOf("/")))-1;
	var theday= parseInt(englishdate.substring(englishdate.indexOf("/")+1,englishdate.lastIndexOf("/")));
	var thedate= new Date(theyear,themonth,theday);
	if(englishtime){
		var thehour=parseInt(englishtime.substring(0,englishtime.indexOf(":")));
		var theminute=parseInt(englishtime.substring(englishtime.indexOf(":")+1,englishtime.indexOf(" ")));;
		var AMPM=englishtime.substring(englishtime.indexOf(" ")+1);
		if(AMPM=="PM")
			thehour+=12;
		else if (thehour==12)
			thehour=0;
		thedate.setHours(thehour,theminute);
	}
	return thedate;
}

/* ----------------------------------------------------------------------------- */

function showModal(content,title,thewidth,thetop){
	if(thetop==null) thetop=75;
		showModal.thetop=thetop;
	if(title==null) title="&nbsp";
	var alreadyModal=getObjectFromID("modalTitle");
	if(alreadyModal) return false;

	showModal.mask=document.createElement("div");
	showModal.mask.id="modalMask";
	showModal.mask.innerHtml="&nbsp;";

	showModal.box=document.createElement("div");
	showModal.box.id="modalBox";
	if(thewidth!= null){
		showModal.box.style.width=thewidth+"px";
	}
	showModal.box.width="400px";

	var tempDiv=document.createElement("div");
	tempDiv.id="modalTitle";
	tempDiv.innerHTML=title;
	showModal.box.appendChild(tempDiv);

        var tempDiv=document.createElement("div");
        tempDiv.id="modalContent";
        tempDiv.innerHTML=content;
        showModal.box.appendChild(tempDiv);

	document.body.appendChild(showModal.box);
	document.body.appendChild(showModal.mask);
	centerModal();
	hideSelectBoxes();
  WindowUtilities.disableScreen('overlay_modal', 40,'overlay_modal');
	addEvent(window, "resize", centerModal);
	window.onscroll=centerModal;
}


function closeModal(){
	removeEvent(window,"resize",centerModal,true);
	window.onscroll=null;

	document.body.removeChild(showModal.mask);
	document.body.removeChild(showModal.box);
	displaySelectBoxes();

	showModal.mask=null;
	showModal.box=null;
	WindowUtilities.enableScreen("overlay_modal");
}

function centerModal(){
	if(showModal.mask){

		var fullHeight = getViewportHeight();
		var fullWidth = getViewportWidth();

		var theBody = document.documentElement;

		var scTop = parseInt(theBody.scrollTop,10);
		var scLeft = parseInt(theBody.scrollLeft,10);

		showModal.mask.style.height = fullHeight + "px";
		showModal.mask.style.width = fullWidth + "px";
		showModal.mask.style.top = scTop + "px";
		showModal.mask.style.left = scLeft + "px";
		if(window.innerHeight!=window.undefined){
		if(showModal.mask.scrollWidth>fullWidth)
			showModal.mask.style.height=(fullHeight-20)+"px";
		if(document.body.scrollHeight>fullHeight)
			showModal.mask.style.width=(fullWidth-20)+"px";
		}
		showModal.box.style.top = scTop +showModal.thetop+"px";
		showModal.box.style.left =  (scLeft + ((fullWidth - showModal.box.offsetWidth) / 2)) + "px";
	} ;
}

function hideSelectBoxes() {
	var brsVersion = parseInt(window.navigator.appVersion.charAt(0), 10);
	if (brsVersion <= 6 && window.navigator.userAgent.indexOf("MSIE") > -1) {
		for(var i = 0; i < document.all.length; i++) {
			if(document.all[i].tagName)
				if(document.all[i].tagName == "SELECT")
					document.all[i].style.visibility="hidden";
		}
	}
}
function displaySelectBoxes() {
	var brsVersion = parseInt(window.navigator.appVersion.charAt(0), 10);
	if (brsVersion <= 6 && window.navigator.userAgent.indexOf("MSIE") > -1) {
        for(var i = 0; i < document.all.length; i++) {
                if(document.all[i].tagName)
                        if(document.all[i].tagName == "SELECT")
                                document.all[i].style.visibility="visible";
        }
	}
}

function modalAlert(text){
	text="<div style='text-align: center; padding:3px;'>"+text+"</div>";
	text.replace("\n","<br />");
	text+="<DIV align=\"right\"><button class=\"Buttons\" onClick=\"closeModal()\" style=\"width:75px; margin-top:20px;\"> ok </button></DIV>";
	showModal(text,"CDL - Uberlāndia",250);
}

//window.alert = function(txt) {modalAlert(txt);}

function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (typeof element == 'string')
    element = document.getElementById(element);
  return element;
}

var WindowUtilities = {
  getWindowScroll: function() {
    var w = window;
      var T, L, W, H;
      L = window.pageXOffset || document.documentElement.scrollLeft;
      T = window.pageYOffset || document.documentElement.scrollTop;

      if (window.ie)
        W = Math.max(document.documentElement.offsetWidth, document.documentElement.scrollWidth);
  		else if (window.khtml)
  		  W = document.body.scrollWidth;
  		else
  		  W = document.documentElement.scrollWidth;

  		if (window.ie)
  		  H = Math.max(document.documentElement.offsetHeight, document.documentElement.scrollHeight);
    	else if (window.khtml)
    	  H = document.body.scrollHeight;
    	else
    	  H = document.documentElement.scrollHeight;

      return { top: T, left: L, width: W, height: H };
  },
  //
  // getPageSize()
  // Returns array with page width, height and window width, height
  // Core code from - quirksmode.org
  // Edit for Firefox by pHaez
  //
  getPageSize: function(){
    var xScroll, yScroll;

    if (window.innerHeight && window.scrollMaxY) {
      xScroll = document.body.scrollWidth;
      yScroll = window.innerHeight + window.scrollMaxY;
    } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
      xScroll = document.body.scrollWidth;
      yScroll = document.body.scrollHeight;
    } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
      xScroll = document.body.offsetWidth;
      yScroll = document.body.offsetHeight;
    }

    var windowWidth, windowHeight;

    if (self.innerHeight) {  // all except Explorer
      windowWidth = self.innerWidth;
      windowHeight = self.innerHeight;
    } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
      windowWidth = document.documentElement.clientWidth;
      windowHeight = document.documentElement.clientHeight;
    } else if (document.body) { // other Explorers
      windowWidth = document.body.clientWidth;
      windowHeight = document.body.clientHeight;
    }
    var pageHeight, pageWidth;

    // for small pages with total height less then height of the viewport
    if(yScroll < windowHeight){
      pageHeight = windowHeight;
    } else {
      pageHeight = yScroll;
    }

    // for small pages with total width less then width of the viewport
    if(xScroll < windowWidth){
      pageWidth = windowWidth;
    } else {
      pageWidth = xScroll;
    }

    return {pageWidth: pageWidth ,pageHeight: pageHeight , windowWidth: windowWidth, windowHeight: windowHeight};
  },

  disableScreen: function(overlayId, overlayOpacity, contentId) {
    var that = this;
    WindowUtilities.initLightbox(overlayId, function() {that._disableScreen(overlayId, overlayOpacity, contentId)});
  },

  _disableScreen: function(overlayId, overlayOpacity, contentId) {
    var objBody = document.body;

    // prep objects
    var objOverlay = $(overlayId);

    var pageSize = WindowUtilities.getPageSize();

    // Hide select boxes as they will 'peek' through the image in IE, store old value
    if (contentId && window.ie) {
      WindowUtilities._hideSelect();
      WindowUtilities._showSelect(contentId);
    }

    // set height of Overlay to take up whole page and show
    objOverlay.style.height = (pageSize.pageHeight + 'px');
    objOverlay.style.display = "block";
  },

  enableScreen: function(id) {
    id = id || 'overlay_modal';
    var objOverlay =  $(id);
    if (objOverlay) {
      // hide lightbox and overlay
      objOverlay.style.display = 'none';
      objOverlay.parentNode.removeChild(objOverlay);

      // make select boxes visible using old value
      if (id != "__invisible__")
        WindowUtilities._showSelect();
    }
  },

  _hideSelect: function(id) {
    if (window.ie) {
      id = id ==  null ? "" : "#" + id + " ";
      $$(id + 'select').each(function(element) {
        if (! WindowUtilities.isDefined(element.oldVisibility)) {
          element.oldVisibility = element.style.visibility ? element.style.visibility : "visible";
          element.style.visibility = "hidden";
        }
      });
    }
  },

  _showSelect: function(id) {
    if (window.ie) {
      id = id ==  null ? "" : "#" + id + " ";
      $$(id + 'select').each(function(element) {
        if (WindowUtilities.isDefined(element.oldVisibility)) {
          // Why?? Ask IE
          try {
            element.style.visibility = element.oldVisibility;
          } catch(e) {
            element.style.visibility = "visible";
          }
          element.oldVisibility = null;
        }
        else {
          if (element.style.visibility)
            element.style.visibility = "visible";
        }
      });
    }
  },

  isDefined: function(object) {
    return typeof(object) != "undefined" && object != null;
  },

  // initLightbox()
  // Function runs on window load, going through link tags looking for rel="lightbox".
  // These links receive onclick events that enable the lightbox display for their targets.
  // The function also inserts html markup at the top of the page which will be used as a
  // container for the overlay pattern and the inline image.
  initLightbox: function(id, doneHandler) {
    // Already done, just update zIndex
    if ($(id)) {
      Element.setStyle(id, {zIndex: 100});
      doneHandler();
    }
    // create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
    else {
      var objBody = document.body;
      var objOverlay = document.createElement("div");
      objOverlay.setAttribute('id', id);
      objOverlay.className = "overlay"
      objOverlay.style.display = 'none';
      objOverlay.style.position = 'absolute';
      objOverlay.style.top = '0';
      objOverlay.style.left = '0';
      objOverlay.style.zIndex = 100;
      objOverlay.style.width = '100%';
      objBody.insertBefore(objOverlay, objBody.firstChild);
      if (window.khtml && id == "overlay_modal") {
        setTimeout(function() {doneHandler()}, 10);
      }
      else
        doneHandler();
    }
  },

  setCookie: function(value, parameters) {
    document.cookie= parameters[0] + "=" + escape(value) +
      ((parameters[1]) ? "; expires=" + parameters[1].toGMTString() : "") +
      ((parameters[2]) ? "; path=" + parameters[2] : "") +
      ((parameters[3]) ? "; domain=" + parameters[3] : "") +
      ((parameters[4]) ? "; secure" : "");
  },

  getCookie: function(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
      begin = dc.indexOf(prefix);
      if (begin != 0) return null;
    } else {
      begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
      end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
  },

  _computeSize: function(content, id, width, height, margin, className) {
    var objBody = document.body;
    var tmpObj = document.createElement("div");
    tmpObj.setAttribute('id', id);
    tmpObj.className = className + "_content";

    if (height)
      tmpObj.style.height = height + "px"
    else
      tmpObj.style.width = width + "px"

    tmpObj.style.position = 'absolute';
    tmpObj.style.top = '0';
    tmpObj.style.left = '0';
    tmpObj.style.display = 'none';

    tmpObj.innerHTML = content;
    objBody.insertBefore(tmpObj, objBody.firstChild);

    var size;
    if (height)
      size = $(id).getDimensions().width + margin;
    else
      size = $(id).getDimensions().height + margin;
    objBody.removeChild(tmpObj);
    return size;
  }
}

/**
 *
 * @access public
 * @return void
 **/
function getSpinner(){
  return "<img src='/admin/common/image/spinner.gif' width=16 height=16>";
}