/*  Copyright Mihai Bazon, 2002, 2003  |  http://dynarch.com/mishoo/
 * ---------------------------------------------------------------------------
 *
 * The DHTML Calendar
 *
 * Details and latest version at:
 * http://dynarch.com/mishoo/calendar.epl
 *
 * This script is distributed under the GNU Lesser General Public License.
 * Read the entire license text here: http://www.gnu.org/licenses/lgpl.html
 *
 * This file defines helper functions for setting up the calendar.  They are
 * intended to help non-programmers get a working calendar on their site
 * quickly.  This script should not be seen as part of the calendar.  It just
 * shows you what one can do with the calendar, while in the same time
 * providing a quick and simple method for setting it up.  If you need
 * exhaustive customization of the calendar creation process feel free to
 * modify this code to suit your needs (this is recommended and much better
 * than modifying calendar.js itself).
 */

// $Id: calendar-setup.js,v 1.28 2009/04/16 19:38:56 angela Exp $

/**
 *  This function "patches" an input field (or other element) to use a calendar
 *  widget for date selection.
 *
 *  The "params" is a single object that can have the following properties:
 *
 *    prop. name   | description
 *  -------------------------------------------------------------------------------------------------
 *   inputField    | the ID of an input field to store the date
 *   displayArea   | the ID of a DIV or other element to show the date
 *   button        | ID of a button or other element that will trigger the calendar
 *   eventName     | event that will trigger the calendar, without the "on" prefix (default: "click")
 *   ifFormat      | date format that will be stored in the input field
 *   daFormat      | the date format that will be used to display the date in displayArea
 *   singleClick   | (true/false) wether the calendar is in single click mode or not (default: true)
 *   firstDay      | numeric: 0 to 6.  "0" means display Sunday first, "1" means display Monday first, etc.
 *   align         | alignment (default: "Br"); if you don't know what's this see the calendar documentation
 *   range         | array with 2 elements.  Default: [1900, 2999] -- the range of years available
 *   weekNumbers   | (true/false) if it's true (default) the calendar will display week numbers
 *   flat          | null or element ID; if not null the calendar will be a flat calendar having the parent with the given ID
 *   flatCallback  | function that receives a JS Date object and returns an URL to point the browser to (for flat calendar)
 *   disableFunc   | function that receives a JS Date object and should return true if that date has to be disabled in the calendar
 *   onSelect      | function that gets called when a date is selected.  You don't _have_ to supply this (the default is generally okay)
 *   onClose       | function that gets called when the calendar is closed.  [default]
 *   onUpdate      | function that gets called after the date is updated in the input field.  Receives a reference to the calendar.
 *   date          | the date that the calendar will be initially displayed to
 *   showsTime     | default: false; if true the calendar will include a time selector
 *   timeFormat    | the time format; can be "12" or "24", default is "12"
 *   electric      | if true (default) then given fields/date areas are updated for each move; otherwise they're updated only on close
 *   step          | configures the step of the years in drop-down boxes; default: 2
 *   position      | configures the calendar absolute position; default: null
 *   cache         | if "true" (but default: "false") it will reuse the same calendar object, where possible
 *   showOthers    | if "true" (but default: "false") it will show days from other months too
 *
 *  None of them is required, they all have default values.  However, if you
 *  pass none of "inputField", "displayArea" or "button" you'll get a warning
 *  saying "nothing to setup".
 */
Calendar.setup = function (params) {
	function param_default(pname, def) { if (typeof params[pname] == "undefined") { params[pname] = def; } };

	param_default("inputField",     null);
	param_default("displayArea",    null);
	param_default("button",         null);
	param_default("eventName",      "click");
	param_default("ifFormat",       "%Y/%m/%d");
	param_default("daFormat",       "%Y/%m/%d");
	param_default("singleClick",    true);
	param_default("disableFunc",    null);
	param_default("dateStatusFunc", params["disableFunc"]);	// takes precedence if both are defined
	param_default("dateText",       null);
	param_default("firstDay",       null);
	param_default("align",          "Br");
	param_default("range",          [1900, 2999]);
	param_default("weekNumbers",    true);
	param_default("flat",           null);
	param_default("flatCallback",   null);
	param_default("onSelect",       null);
	param_default("onClose",        null);
	param_default("onUpdate",       null);
	param_default("date",           null);
	param_default("showsTime",      false);
	param_default("timeFormat",     "24");
	param_default("electric",       true);
	param_default("step",           2);
	param_default("position",       null);
	param_default("cache",          false);
	param_default("showOthers",     false);
	param_default("multiple",       null);

	var tmp = ["inputField", "displayArea", "button"];
	for (var i in tmp) {
		if (typeof params[tmp[i]] == "string") {
			params[tmp[i]] = document.getElementById(params[tmp[i]]);
		}
	}
	if (!(params.flat || params.multiple || params.inputField || params.displayArea || params.button)) {
		alert("Calendar.setup:\n  Nothing to setup (no fields found).  Please check your code");
		return false;
	}

	function onSelect(cal) {
		var p = cal.params;
		var update = (cal.dateClicked || p.electric);
		if (update && p.inputField) {
			p.inputField.value = cal.date.print(p.ifFormat);
			if (typeof p.inputField.onchange == "function")
				p.inputField.onchange();
		}
		if (update && p.displayArea)
			p.displayArea.innerHTML = cal.date.print(p.daFormat);
		if (update && typeof p.onUpdate == "function")
			p.onUpdate(cal);
		if (update && p.flat) {
			if (typeof p.flatCallback == "function")
				p.flatCallback(cal);
		}
		if (update && p.singleClick && cal.dateClicked)
			cal.callCloseHandler();
	};

	if (params.flat != null) {
		if (typeof params.flat == "string")
			params.flat = document.getElementById(params.flat);
		if (!params.flat) {
			alert("Calendar.setup:\n  Flat specified but can't find parent.");
			return false;
		}
		var cal = new Calendar(params.firstDay, params.date, params.onSelect || onSelect);
		cal.showsOtherMonths = params.showOthers;
		cal.showsTime = params.showsTime;
		cal.time24 = (params.timeFormat == "24");
		cal.params = params;
		cal.weekNumbers = params.weekNumbers;
		cal.setRange(params.range[0], params.range[1]);
		cal.setDateStatusHandler(params.dateStatusFunc);
		cal.getDateText = params.dateText;
		if (params.ifFormat) {
			cal.setDateFormat(params.ifFormat);
		}
		if (params.inputField && typeof params.inputField.value == "string") {
			cal.parseDate(params.inputField.value);
		}
		cal.create(params.flat);
		cal.show();
		return false;
	}

	var triggerEl = params.button || params.displayArea || params.inputField;
	triggerEl["on" + params.eventName] = function() {
		var dateEl = params.inputField || params.displayArea;
		var dateFmt = params.inputField ? params.ifFormat : params.daFormat;
		var mustCreate = false;
		var cal = window.calendar;
		if (dateEl)
			params.date = Date.parseDate(dateEl.value || dateEl.innerHTML, dateFmt);
		if (!(cal && params.cache)) {
			window.calendar = cal = new Calendar(params.firstDay,
							     params.date,
							     params.onSelect || onSelect,
							     params.onClose || function(cal) { cal.hide(); });
			cal.showsTime = params.showsTime;
			cal.time24 = (params.timeFormat == "24");
			cal.weekNumbers = params.weekNumbers;
			mustCreate = true;
		} else {
			if (params.date)
				cal.setDate(params.date);
			cal.hide();
		}
		if (params.multiple) {
			cal.multiple = {};
			for (var i = params.multiple.length; --i >= 0;) {
				var d = params.multiple[i];
				var ds = d.print("%Y%m%d");
				cal.multiple[ds] = d;
			}
		}
		cal.showsOtherMonths = params.showOthers;
		cal.yearStep = params.step;
		cal.setRange(params.range[0], params.range[1]);
		cal.params = params;
		cal.setDateStatusHandler(params.dateStatusFunc);
		cal.getDateText = params.dateText;
		cal.setDateFormat(dateFmt);
		if (mustCreate)
			cal.create();
		cal.refresh();
		if (!params.position)
			cal.showAtElement(params.button || params.displayArea || params.inputField, params.align);
		else
			cal.showAt(params.position[0], params.position[1]);
		return false;
	};

	return cal;
};


function GreaterToday(date) {
  var today = new Date();
  var todayYear = today.getFullYear();
  var todayMonth = verifyNumberDigits(today.getMonth()+1);
  var todayDate = verifyNumberDigits(today.getDate());
  var dateYear = date.getFullYear();
  var dateMonth = verifyNumberDigits(date.getMonth()+1);
  var dateDate = verifyNumberDigits(date.getDate());
  
  today = todayYear + "" + todayMonth + "" + todayDate;
  date = dateYear + "" + dateMonth + "" + dateDate;

  return ((date - today) < 0) ? true : false;
}

function EarlierToday(date) {
  var today = new Date();
  //var days = ;
  return date - today > 0;
}

function verifyNumberDigits(number){
	if( number < 10 )
		return "0" + number;
	else
		return number;
}






function form_validate_datesAS(ArrivalDate,DepartureDate){

	if(ArrivalDate.value != 'mm/dd/yyyy' && DepartureDate.value != 'mm/dd/yyyy'){
	  if(validateFormatDate(ArrivalDate) && validateFormatDate(DepartureDate)){
	    if(DateGreatherToday(ArrivalDate)){
	      if(!validateDates(ArrivalDate,DepartureDate)){
	        msgStr += " - The departure date should be later than the arrival date\n";
	        valid = false;
	      }
	    }
	    
	    if(validateDaysbetweenDates(ArrivalDate,DepartureDate)>366){
	      msgStr += " - The stay should be one year or less\n";
	      valid = false;
	    }
	  }
	  else {
	    msgStr += " - The format of the arrival/departure date is not correct\n";
	    valid = false;
	  }
	}

}




function validateAdvanceSearch() {

    var ArrivalDate = document.getElementById("BInquiryArrivalButton");
  var DepartureDate = document.getElementById("BDepartureDateButton");
  var Destination = document.getElementById("keywordAS");
  
  msgStr = "Oops! It seems that the form has been completed improperly:\n\n";
  valid = true;

 
  form_validate_datesAS(ArrivalDate,DepartureDate);
  var propertyTypes = document.form1S.elements['propertytype'];
  
  var propertytypeselected = false;
  for(var i=0;i<propertyTypes.length;i++){
    if(propertyTypes[i].checked) propertytypeselected = true;
  }
  if(!propertytypeselected){
    msgStr += " - At least one property type should be selected\n";
    valid = false;
  }
  
  if(!validateBlank(Destination) || Destination.value == 'Enter Destination or Rentalo ID'){
    msgStr += " - Please provide Destination or Rentalo ID\n";
    valid = false;
  }
  

  if(!valid){
    alert(msgStr);
    return false;
  } 
  
  return true;
}

function checkUnavailableDate(date){
	var greater_today=GreaterToday(date);
	var disable=false;
	var toDisable=document.getElementById('DatestoDisable');
	if(toDisable!=null){
		var arrayToDisable=toDisable.value.split(',');
		for(var i=0;i<arrayToDisable.length;i++){
			var dateToDisable=strToDate(arrayToDisable[i]);
			var datef=date.print("%Y-%m-%d");
			var datedisf=dateToDisable.print("%Y-%m-%d");
			if(datef==datedisf){
				disable=true;
				break;
			}
		}
	}
	if(greater_today==true || disable==true){
		return true;
	}else{
		return false;
	}
}

function checkUnavailableDepartureDate(date){
	var greater_today=GreaterToday(date);
	var str_arrival_date=$('Arrival').value;
	str_arrival_date=str_arrival_date.replace(/\//gi,'-');
	var arrival_date=strToDate(str_arrival_date);
	var disable=false;
	var disableFrom=false;
	var mark = false;
	var toDisable=document.getElementById('DepartureDatestoDisable');
	if(toDisable!=null){
		var arrayToDisable=toDisable.value.split(',');
		for(var i=0;i<arrayToDisable.length;i++){
			var dateToDisable=strToDate(arrayToDisable[i]);
			var datef=date.print("%Y-%m-%d");
			var datedisf=dateToDisable.print("%Y-%m-%d");
			if(datef==datedisf){
				disable=true;
				break;
			}
		}
	}
	
	var toDisableFrom=document.getElementById('DepartureDatesFrom');
	if(toDisableFrom!=null){
		var arrayToDisableFrom=toDisableFrom.value.split(',');
		for(var i=0;i<arrayToDisableFrom.length;i++){
			var dateToDisable=strToDate(arrayToDisableFrom[i]);
			var datef=date.print("%Y-%m-%d");
			var datedisf=dateToDisable.print("%Y-%m-%d");
			if(datef==datedisf){
				disableFrom=true;
				break;
			}
		}
	}
	
	var toMark = document.getElementById('DepartureDatesMarked');
	if(toMark!=null){
		var arrayToMark = toMark.value.split(',');
		for(var i=0;i<arrayToMark.length;i++){
			var dateToDisable=strToDate(arrayToMark[i]);
			var datef=date.print("%Y-%m-%d");
			var datedisf=dateToDisable.print("%Y-%m-%d");
			if(datef==datedisf){
				mark=true;
				break;
			}
		}
	}
	
	var strlastdate=$('LastDeparture').value;
	var lastdeparture=strToDate(strlastdate.replace(/\//g,'-'));
	
	var strfirstdate=$('FirstDeparture').value;
	var firstDate = strToDate(strfirstdate);	
	
	if(greater_today==true || disable==true || disableFrom==true || arrival_date>=date || date>=lastdeparture || date<firstDate){
		return true;
	}else{
		if(mark == true){
			return "markedDates";
		}else{	
			return false;
		}
	}
	
}

function strToDate(strDate){
	var arrayDate=strDate.split('-');
	var year = arrayDate[0]*1;
	var month = (arrayDate[1]*1)-1;
	var day = arrayDate[2]*1;
	
	var new_date=new Date(year,month,day,00,00,00);
	
	return new_date;
}