WebBrowser 的页面设置 怎么动态设定!???

<style media="print">
.Noprint{display:none;}
.PageNext{page-break-after: always;}
</style>
<style media="screen">
.Noscreen{display:none;}
</style>
<style>
.font_style {
  font-family:     宋体;
font-size:       85pt;
font-style:      normal;
font-weight:     bolder;
}
.font_style1 {
  font-family:     宋体;
font-style:      normal;
font-weight:     normal; 
font-size:       25pt;     
}
</style><object id="Factory" style="display:none" viewastext
codeBase=http://www.meadroid.com/scriptx/ScriptX.cab#Version=5,60,0,360
classid=clsid:1663ed61-23eb-11d2-b92f-008048fdd814 viewastext>
</object><div align=center>
<font class="font_style1" >黑龙江省分行(1)(2)</font><p></p>
<font class="font_style">嘿嘿</font>
</div>
<table class="Noprint">
<tr>
<td>
<input type="button" value="打    印" onclick="print()">
<input type="button" value="页面设置" onclick="Factory.printing.PageSetup()">
<input type="button" value="打印预览" onclick="Factory.printing.Preview()">
</td>
</tr>
</table>
<script>
function print() {
        Factory.printing.topMargin=20;
Factory.printing.leftMargin=0;
        Factory.printing.rightMargin=0;
        Factory.printing.Print(true);
}
function SetPrintSettings()
{ 
try
{
//Factory.printing.SetMarginMeasure(2);
//Factory.SetPageRange(false,1,3);
//Factory.printing.printer="HP DeskJet 870C";
//Factory.printing.copies=2;
//Factory.printing.collate=true;
//Factory.printing.paperSize="3*3";
//Factory.printing.paperSource="Manual feed";

//Factory.printing.header="This is MeadCo";
//Factory.printing.footer="Advanced Printing by ScriptX";
//Factory.printing.portrait=false; //Factory.printing.topMargin=0; //Factory.printing.bottomMargin=0;
}
catch(e)
{}
} 
</script>