<?php
function showCalendar($month, $year){
    if($month!='' && $year!=''){
               $today['mon'] = $month;
               $today['year'] = $year;
    }else{
	$today    = getdate();
    }
	$firstDay = getdate(mktime(0,0,0,$today['mon'],1,$today['year']));
	$lastDay  = getdate(mktime(0,0,0,$today['mon']+1,0,$today['year']));

?>