jQuery(document).ready(function() {

$("#TextBox1").datepicker({

    minDate: 0,

    maxDate: '+1Y+6M',

    onSelect: function (dateStr) {

        var min = $(this).datepicker('getDate'); // Get selected date

        $("#TextBox2").datepicker('option', 'minDate', min || '0'); // Set other min, default to today

    }

});

 

$("#TextBox2").datepicker({

    minDate: '0',

    maxDate: '+1Y+6M',

    onSelect: function (dateStr) {

        var max = $(this).datepicker('getDate'); // Get selected date

        $('#datepicker').datepicker('option', 'maxDate', max || '+1Y+6M'); // Set other max, default to +18 months

        var start = $("#TextBox1").datepicker("getDate");

        var end = $("#TextBox2").datepicker("getDate");

        var days = (end - start) / (1000 * 60 * 60 * 24);

	var dayss = days*10;

	var dayeu = days*2.896200185356812;

        $("#TextBox3").val(dayss);

	$("#TextBox4").val(dayeu);

    }

});

});