用JS实现网页打印，打印预览默认为A4纸，纵向，如何把默认的改成A5，横向

Question

用JS实现网页打印，打印预览默认为A4纸，纵向，如何把默认的改成A5，横向

<object id="WebBrowser" classid="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2" height="0"
        width="0" viewastext>
</object>
<input type="button" value="打印" onclick="document.all.WebBrowser.ExecWB(6,1)" class="NOPRINT">
<input type="button" value="直接打印" onclick="document.all.WebBrowser.ExecWB(6,6)" class="NOPRINT">
<input type="button" value="页面设置" onclick="document.all.WebBrowser.ExecWB(8,1)" class="NOPRINT">
<input type="button" value="打印预览" onclick="document.all.WebBrowser.ExecWB(7,1)" class="NOPRINT"> 

Answer 1

http://school.cnd8.com/javascript/jiaocheng/49944.htm