JS Unix Timestamp Conversion

First, Unix time stamping to normal time:varunixtime=1358932051;varUnixtimestamp =NewDate (unixtime* 1000); Commontime=unixtimestamp.tolocalestring (); Alert ("Normal time is:" +commontime); second, normal time to UNIX timestampvarstr = "2013-01-01 00:00:00"; Str= Str.replace (/-/g, "/");varDate =NewDate (str);varHumandate =NewDate (DATE.UTC (Date.getfullyear (), Date.getmonth (), Date.getdate (), date.gethours (), Date.getminutes (), Date.getseconds ())); Alert (Humandate.gettime ()/1000-8*60*60);varMyDate =NewDate (); Mydate.getyear (); //get Current year (2-bit)Mydate.getfullyear ();//Get the full year (4-bit, 1970-????)Mydate.getmonth ();//Get the current month (0-11, 0 for January)Mydate.getdate ();//get current day (1-31)Mydate.getday ();//get Current week x (0-6, 0 for Sunday)Mydate.gettime ();//Gets the current time (the number of milliseconds since 1970.1.1)Mydate.gethours ();//gets the current number of hours (0-23)Mydate.getminutes ();//gets the current number of minutes (0-59)Mydate.getseconds ();//gets the current number of seconds (0-59)Mydate.getmilliseconds ();//gets the current number of milliseconds (0-999)Mydate.tolocaledatestring ();//Get Current datevarMytime=mydate.tolocaletimestring ();//Get current TimeMydate.tolocalestring ();//get date and time