/**
 * Checks if the restaurnt with given working_hours_info array is open at the current time. Receives restaurant.working_hours_info array
 */

function isRestaurantOpen(s, td) {
  var d; 
  if (typeof td == 'undefined') 
    d = new Date(); 
  else 
    d = td;
  var m = d.getHours()*60+d.getMinutes();
  if (d.getHours() <= 4) // Up to 4am next day checking...
    m += 24*60;
  var t = s[d.getDay() % 7];
  for (var i=0; i<t.length; i++) {
    if (t[i][0] <= m && m <= t[i][1]) return true;
  }
  return false;
}
;