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, '30-09-2012');