highcharts中对"另存为"进行汉化

$(function () {   
    var chart = new Highcharts.Chart({   
        chart: {   
            renderTo: 'container'  
        },   
       lang{   
                  printChart:"打印图表",
                  downloadJPEG: "下载JPEG 图片"  
                  downloadPDF: "下载PDF文档"  
                  downloadPNG: "下载PNG 图片"  
                  downloadSVG: "下载SVG 矢量图"  
                  exportButtonTitle: "导出图片"  
      },  
  .....
  })
})