function setUpDatePicker(){ $( "#id_start_date" ).datepicker(); $( "#id_start_date" ).datepicker( "option", "dateFormat", "yy-mm-dd" ); $( "#id_start_date" ).datepicker( "option", "defaultDate", "-1m" ); $( "#id_end_date" ).datepicker(); $( "#id_end_date" ).datepicker( "option", "defaultDate", "-1d" ); $( "#id_end_date" ).datepicker( "option", "dateFormat", "yy-mm-dd" ); }