No waybut try:
1) window.showModalDialog
2) window.execScript("MsgBox 'msg content',0,'message title'", "VBScript")
1) window.showModalDialog
2) window.execScript("MsgBox 'msg content',0,'message title'", "VBScript")
var str="<html><body>自己去写一个漂亮的窗体</body></html>"
document.write str