清空IE的頁眉和頁腳

<script type="text/javascript" language="javascript">

var hkey_root,hkey_path,hkey_key
    hkey_root="HKEY_CURRENT_USER"
    hkey_path="//Software//Microsoft//Internet Explorer//PageSetup//"
    //设置网页打印的页眉页脚为空
    function pagesetup_null()
    {
        try{
            var RegWsh = new ActiveXObject("WScript.Shell")
            hkey_key="header"
            RegWsh.RegWrite(hkey_root+hkey_path+hkey_key,"")
            hkey_key="footer"
            RegWsh.RegWrite(hkey_root+hkey_path+hkey_key,"")
        }
        catch(e){}
    }
    //设置网页打印的页眉页脚为默认值
    function pagesetup_default()
    {
        try{
        var RegWsh = new ActiveXObject("WScript.Shell")
        hkey_key="header"
        RegWsh.RegWrite(hkey_root+hkey_path+hkey_key,"&w&b页码，&p/&P")
        hkey_key="footer"
        RegWsh.RegWrite(hkey_root+hkey_path+hkey_key,"&u&b&d")
        }
        catch(e){}
    }

 

 function printPage()
    {
        PageSetup_Null();
        var newWin = window.open('about:blank,'','');
        var titleHTML = document.getElementById("printdiv").innerHTML;
        newWin.document.write(titleHTML);
        newWin.document.location.reload();
        newWin.print();
        newWin.close();
        PageSetup_Default();
    }

</script>

 

<td align="center" visible="false">
                        <input type="button" value="清空页码" onclick="pagesetup_null()"/>
                        <input type="button" value="恢复页码" onclick="pagesetup_default()"/>
                    </td>