JS 页面打印

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 FrmSubMit(at) {
    document.getElementById('Hidden_PostType').value = 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");
        }
    }
}