var booking = {
env : {
b_simple_weekdays: ['2ª','3ª','4ª','5ª','6ª','Sa.','Do.'],
b_simple_weekdays_for_js: ['Seg.','Ter.','Qua.','Qui.','Sex.','Sab.','Dom.'],
b_long_weekdays: ['Segunda-feira','Terça-feira','Quarta-feira','Quinta-feira','Sexta-feira','Sábado','Domingo']
}
}
function addzero( value )
{
while( value.length<2 ) value = String("0") + value;
return value;
}

function checkDateOrder(frm, ci_day, ci_month_year, co_day, co_month_year) {
if (document.getElementById) {
var frm = document.getElementById(frm);
// create date object from checkin values
// set date to 12:00 to avoid problems with one
// date being wintertime and the other summertime
var my = frm[ci_month_year].value.split("-");
var ci = new Date (my[0], my[1]-1, frm[ci_day].value, 12, 0, 0, 0);

// create date object from checkout values
my = frm[co_month_year].value.split("-");
var co = new Date (my[0], my[1]-1, frm[co_day].value, 12, 0, 0, 0);

// if checkin date is at or after checkout date,
// add a day full of milliseconds, and set the
// selectbox values for checkout date to new value
if (ci >= co){
co.setTime(ci.getTime() + 1000 * 60 * 60 * 24);
frm[co_day].value =  co.getDate();
var com = co.getMonth()+1;
frm[co_month_year].value = co.getFullYear() + "-" + com;
}
}
}