JavaScript设置打印页边距与页眉页脚操作

<SCRIPT language=javascript>   
var HKEY_Root,HKEY_Path,HKEY_Key;   
HKEY_Root="HKEY_CURRENT_USER";   
HKEY_Path="\\Software\\Microsoft\\Internet Explorer\\PageSetup\";   
var head,foot,top,bottom,left,right;   
  
//取得页面打印设置的原参数数据   
function PageSetup_temp() {   
    try   
{   
   var Wsh=new ActiveXObject("WScript.Shell");   
   HKEY_Key="header";   
//取得页眉默认值   
   head = Wsh.RegRead(HKEY_Root+HKEY_Path+HKEY_Key);   
   HKEY_Key="footer";   
//取得页脚默认值   
   foot = Wsh.RegRead(HKEY_Root+HKEY_Path+HKEY_Key);   
   HKEY_Key="margin_bottom";   
//取得下页边距   
   bottom = Wsh.RegRead(HKEY_Root+HKEY_Path+HKEY_Key);   
   HKEY_Key="margin_left";   
//取得左页边距   
   left = Wsh.RegRead(HKEY_Root+HKEY_Path+HKEY_Key);   
   HKEY_Key="margin_right";   
//取得右页边距   
   right = Wsh.RegRead(HKEY_Root+HKEY_Path+HKEY_Key);   
   HKEY_Key="margin_top";   
//取得上页边距   
   top = Wsh.RegRead(HKEY_Root+HKEY_Path+HKEY_Key);   
}