如何设置用javascript设置word页边距

function SetWordPageSetup()
{
    var WordObj=new ActiveXObject("Word.Application");
    WordObj.Documents.Open "E:\测试\设置页边距\面试英语五.doc";
    WordObj.ActiveDocument.PageSetup.TopMargin = 3.2;
    WordObj.ActiveDocument.PageSetup.LeftMargin = 2.8;
    WordObj.ActiveDocument.PageSetup .BottomMargin = 3.2;
    WordObj.ActiveDocument.PageSetup.RightMargin = 2.6;
    WordObj.ActiveDocument.PageSetup .LinesPage = 22 
    WordObj=null;
}