var ds_month = [ [1283373000000.0000,639.92000195384],[1283457600000.0000,627.439998328686],[1283544000000.0000,620.269990921021],[1283630400000.0000,633.209999293089],[1283716800000.0000,644.310003727674],[1283803200000.0000,644.13999658823] ];