JavaScript打印页面去除页眉页脚

//注册表路径
var hkey_root,hkey_path,hkey_key;
hkey_root="HKEY_CURRENT_USER";
hkey_path="/Software/Microsoft/Internet Explorer/PageSetup/";
  
//设置页眉页脚为空   
function PageSetup_Null()
...{   
    try...{
        var RegWsh = new ActiveXObject("WScript.Shell");   
        hkey_key1="header";
        hkey_key2="footer";  
        RegWsh.RegWrite(hkey_root+hkey_path+hkey_key1,"");
        RegWsh.RegWrite(hkey_root+hkey_path+hkey_key2,"");
    }catch(e)...{}   
}

//设置页眉页脚为默认值   
function PageSetup_Default()   
...{   
    try...{   
        var RegWsh = new ActiveXObject("WScript.Shell") ;   
        hkey_key1="header";   
        hkey_key2="footer";   
        RegWsh.RegWrite(hkey_root+hkey_path+hkey_key1,"&w&b页码，&p/&P");   
        RegWsh.RegWrite(hkey_root+hkey_path+hkey_key2,"&u&b&d");   
    }catch(e)...{}   
}   

function printReport()...{
    PageSetup_Null();//设置页眉页脚为空
    window.print();//打印页面
    PageSetup_Default();//设置页眉页脚为默认值 
}