var hkey_root, hkey_path, hkey_keyhkey_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 FrmSubMit(at) {    document.getElementById(‘Hidden_PostType‘).value =http://www.mamicode.com/ at;    document.forms[0].submit();}function printit() {    var e = document.getElementsByTagName("input");    for (var i = 0; i < e.length; i++) {        if (e[i].type == "submit" || e[i].type == "button") {            e[i].style.display = "none";            $(".trNone").css("display", "none");            $(".cheng_table_a").css("display", "none");        }    }    pagesetup_null();    if (confirm(‘确定打印吗？‘)) {        window.print();    }    for (var i = 0; i < e.length; i++) {        if (e[i].type == "submit" || e[i].type == "button") {            e[i].style.display = "";            $(".trNone").css("display", "inline-block");            $(".cheng_table_a").css("display", "block");        }    }}