<?php
$day = date('d'); //today
$month2 = date('m') + 1;
$year2 = date('y');
$date1 = '7-31-2009';
$month1 = '7';
$year1 = '09';

$month_diff = (($year2 - $year1) * 12) + ($month2 - $month1);
$canonyears_diff = $month_diff * 6;

$base_year = -2;
if($day >= 0 && day < 6) {
$extra_year = $base_year;
}
else if($day >= 6 && $day < 11) {
$extra_year = $base_year + 1;
}
else if($day >= 11 && $day < 16) {
$extra_year = $base_year + 2;
}
else if($day >= 16 && $day < 21) {
$extra_year = $base_year + 3;
}
else if($day >= 21 && $day < 26) {
$extra_year = $base_year + 4;
}
else if($day >= 26) {
$extra_year = $base_year + 5;
}

$current_year = $canonyears_diff + $extra_year;

?>

$( ".target" ).change(function() {
//var value = this.value; // omit "var" to make it global
//var date1 = '07/31/2009';
//$(".target").text(value);
//alert( value );
});

$('#calendar').datepicker({
minDate: '2015-11-26', //Start date, before this the dates get all messed up
dateFormat: 'yy-m-d',
inline: true,
onSelect: function(dateText, inst) {
var date = $(this).datepicker('getDate'),
day = date.getDate(),
month2 = date.getMonth() + 1,
year2 = date.getFullYear();

var date1 = '7-31-2009';
var month1 = '7';
var year1 = '2009';
month_diff = ((year2 - year1) * 12) + (month2 - month1);
canonyears_diff = month_diff * 6;

base_year = -2;
if (day >= 0 && day < 6) {
extra_year = base_year;
} else if (day >= 6 && day < 11) {
extra_year = base_year +1;
} else if (day >= 11 && day < 16) {
extra_year = base_year +2;
} else if (day >= 16 && day < 21) {
extra_year = base_year +3;
} else if (day >= 21 && day < 26) {
extra_year = base_year +4;
} else if (day >=26) {
extra_year = base_year +5;
}

current_year = canonyears_diff + extra_year;

$('#datepicker2').val(current_year + ' AI');

}
});