var today_date = new Date(); 
today_date.setDate(today_date.getDate()+1);
function disabledDate(date, y, m, d)
{
    if(today_date.getFullYear()==y && today_date.getMonth()==m && today_date.getDate()==d)
        return true;
    if (date <= today_date) 
        return true; 
    else 
        return false;
}