function weAreOpen() {
 var startDay = 1
 var endDay = 5
 var startHour = 9.5
 var endHour = 16.5
 var myTZOffset = 7
 var now = new Date()
 var day = now.getDay()
 var hour = now.getHours() + now.getMinutes()/60
 var yourTZOffset=now.getTimezoneOffset()/60
 hour += yourTZOffset - myTZOffset
 if(hour > 24) {
  hour = hour % 24
  ++day
 }else if(hour < 0) {
  hour += 24
  --day
 }
 result = false
 if(hour >= startHour && hour <= endHour && 
    day >= startDay && day <= endDay)
     result = true
 return result
}