var today = new Date();
var dd = today.getDate();
var next_dd = today.getDate()+180;
var mm = today.getMonth();
var yyyy = today.getFullYear();
$(‘#date_from,#date_to’).fdatepicker({
format: ‘dd-mm-yyyy’,
startDate: new Date(yyyy, mm, dd),
endDate: new Date(yyyy, mm, next_dd),
disableDblClickSelection: true
});