highcharts渲染黑色ajax刷新

yesterday i upgraded my highcharts.js file from the last V.2 file to the latest 3.0 file. Since i upgraded my file, when i refresh my page via an ajax call, all the charts display correct except they render black! I even downgraded my jquery version from 1.9.1 to 1.8.2(the version they use in their examples). I do not get any javascript errors.yesterday i upgraded my highcharts.js file from