/*
.-----------------------------------------------------------------------------.
|  Software: CMS SmartHotel - booking.js                                       |
|   Version: 0.90                                                             |
|   Last modified: 2010.11.25                                                 |
|   Info: http://www.dotflorence.com  (webtech@dotflorence.com)               |
| --------------------------------------------------------------------------- | */

function addDays(date, dayAdd) {
	millisec = (dayAdd) * 86400000;
	newTime = date.getTime() + millisec;
	return new Date(newTime);
}
function diffDays(date1, date2) {
	diff = Math.floor((date2.getTime() - date1.getTime())/86400000  );
	return diff;
}

function setLastDay() {
  var date_ini_str = document.getElementById('arr_date').value;
  var date_ini=date_ini_str.split("-");
	var dataStart = new Date(date_ini[0],date_ini[1]-1,date_ini[2],12);
  var dataEnd =  new Date();
  dataEnd = addDays (dataStart, Number(document.getElementById('nights').value));

  var d  = dataEnd.getDate();
  var day = (d < 10) ? '0' + d : d;
  var m = dataEnd.getMonth() + 1;
  var month = (m < 10) ? '0' + m : m;
  document.getElementById('dep_date').value = dataEnd.getFullYear()+"-"+month+"-"+day;

	return true;
}

function setNumNights() {
  var date_ini_str = document.getElementById('arr_date').value;
  var date_end_str = document.getElementById('dep_date').value;
  var date_ini=date_ini_str.split("-");
  var date_end=date_end_str.split("-");
	var dataStart = new Date(date_ini[0],date_ini[1]-1,date_ini[2],12);
	var dataEnd = new Date(date_end[0],date_end[1]-1,date_end[2],12);
	
	if (dataStart<dataEnd) {
		document.getElementById('nights').value=diffDays(dataStart, dataEnd);
	} else {
			document.getElementById('nights').value=2;
			dataEnd = addDays (dataStart, Number(document.getElementById('nights').value));
      var d  = dataEnd.getDate();
      var day = (d < 10) ? '0' + d : d;
      var m = dataEnd.getMonth() + 1;
      var month = (m < 10) ? '0' + m : m;
      document.getElementById('dep_date').value = dataEnd.getFullYear()+"-"+month+"-"+day;
	}
	return true;
}