var saleprice =[
[1254696482000,1299,8991],
[1316145637000,898.88,22694],
[1336613978000,1989,22074],
[1345150243000,1799,27806],
[1349725373000,760,28721],
[1387080566000,2354,34082],
[1489294241000,2899,49376],
[1493501666000,2899,49376],
[1544141431000,2150,56777],
]