Using server date inside datepicker

Using server date inside datepicker

Hello everyone,
I have implement datepicker plug-in who works pretty cool, but I found an issue - when someone has wrong date on his computer datepicker also showing wrong date (what is logical). Now I'm trying to use date from server, but I don't know how to "insert" it into datepicker. My code looks like that:

JS:
  1. $(function () {
  2.    
  3. $.datepicker.setDefaults({
  4.     dateFormat: 'dd/mm/yy', dayNamesMin: ['Nie', 'Pon', 'Wt', 'Śr', 'Czw', 'Pt', 'Sob'],
  5.     dayNames: ['Niedziela','Poniedzialek','Wtorek','Środa','Czwartek','Piątek','Sobota'],
  6.     monthNamesShort: ['Sty', 'Lut', 'Mar', 'Kwi', 'Maj', 'Cze', 'Lip', 'Sie', 'Wrz', 'Paź', 'Lis', 'Gru'],   
  7.     changeMonth: true, changeYear: true, numberOfMonths: 1, constrainInput: true, firstDay: 1});
  8.    
  9. $('#date_from, #date_to').datepicker({
  10.     defaultDate: '+1d', minDate: '+1d',
  11.     onSelect: function (dateText, inst) {       
  12.         var dateMin = $('#date_from').datepicker('getDate');           
  13.         var dateMax = $('#date_to').datepicker('getDate');           
  14.         if (this.id == 'date_from') {           
  15.             var rent_date_from = new Date(
  16.                 dateMin.getFullYear(), dateMin.getMonth(), dateMin.getDate() + 1);           
  17.             var rent_date_to = new Date(
  18.                 dateMin.getFullYear(), dateMin.getMonth(), dateMin.getDate() + 29);           
  19.             $('#date_to').datepicker('option', {minDate: rent_date_from, maxDate: rent_date_to});       
  20.         }  
  21.               
  22.         compute(); //Add compute   
  23.     }
  24.     });
  25. });

HTML:

  1. <div class="type-text">
  2.   <label for="date_from">Data wynajmu: </label>
  3.   <input type="text" size="20" id="date_from" name="rent-a-car-next[date_from]" value="" readonly="readonly" />
  4. </div>
  5. <div class="type-text">
  6.   <label for="date_to">Data zwrotu: </label>
  7.   <input type="text" size="20" id="date_to" name="rent-a-car-next[date_to]" value="" readonly="readonly" />
  8. </div>
  9. <div id="cur-date">09/12/2013</div>

In #cur-date I have date from server.

I also have a jsfiddle for this thread: http://jsfiddle.net/P69Fv/3/

Thanks for any help.