var limi = 0;
var d_from = new Date();
var s_from = cal_generate_date(d_from);
if (makeDayNumber(s_from) < 2012119){
var limi = 1;
s_from = '28-04-2012'}			
new calendar(s_from, 'book', 'date_from', 0, '21-10-2012');