$(document).ready(function() {
   
  $('a.tip').cluetip({
    cluetipClass: 'jtip', 
    arrows: true, 
    dropShadow: false,
    hoverIntent: false,
    sticky: false,
    mouseOutClose: true
  }); 
  

	$('.date-pick').datePicker({clickInput:true});
  
  $('#date-in').change(function() {
    var odkdy = $('#date-in').val();
    var dokdy = $('#date-out').val();
    var oodkdy = new Date(odkdy.substring(6,10), odkdy.substring(3,5), odkdy.substring(0,2));
    var ddokdy = new Date(dokdy.substring(6,10), dokdy.substring(3,5), dokdy.substring(0,2));
    var one_day=1000*60*60*24;
    
    var pocet = Math.ceil((ddokdy.getTime()-oodkdy.getTime())/(one_day));
    if(pocet>1) {
      $('#nights').html(pocet + " nights" )
    }
    else if (pocet == 1) {
      $('#nights').html("1 night" )
    }
    else {
      $('#nights').html("0 nights" )
    }
  });
  
  $('#date-out').change(function() {
    var odkdy = $('#date-in').val();
    var dokdy = $('#date-out').val();
    var oodkdy = new Date(odkdy.substring(6,10), odkdy.substring(3,5), odkdy.substring(0,2));
    var ddokdy = new Date(dokdy.substring(6,10), dokdy.substring(3,5), dokdy.substring(0,2));
    var one_day=1000*60*60*24;
    
    var pocet = Math.ceil((ddokdy.getTime()-oodkdy.getTime())/(one_day));
    if(pocet>1) {
      var aaa=pocet+' nights';
      $('#nights').html(aaa)
    }
    else if (pocet == 1) {
      $('#nights').html("1 night" )
    }
    else {
      $('#nights').html("0 nights" )
    }
  });  
});