function myKeyDown() {
    var k = window.event.keyCode;
    var mun = document.getElementById[""]
    if ((k == 46) || (k == 8) || (k == 189) || (k == 109) || (k == 190) || (k == 110) || (k >= 48 && k <= 57) || (k >= 96 && k <= 105) || (k >= 37 && k <= 40))
    { }
    else if (k == 13) {
        window.event.keyCode = 9;
    } else {
        window.event.returnValue = false;
    }
}
function fncKeyStop(evt) {
    if (!window.event) {
        var keycode = evt.keyCode;
        var key = String.fromCharCode(keycode).toLowerCase();
        if (evt.ctrlKey && key == "v") {
            evt.preventDefault();
            evt.stopPropagation();
        }
    }
}
//添加到收藏夹   
function AddToFavorite() {
    if (document.all) {
        window.external.addFavorite(document.URL, document.title);
    } else if (window.sidebar) {
        window.sidebar.addPanel(document.title, document.URL, "");
    }
}
//设为首页 <a href="#" onclick="setHomepage();" visible="false">设为首页</a>
function setHomepage() {
    if (document.all) {
        document.body.style.behavior = 'url(#default#homepage)';
        document.body.setHomePage(document.URL);
    } else if (window.sidebar) {
        if (window.netscape) {
            try {
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
            } catch (e) {
                alert("该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true");
            }
        }
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
        prefs.setCharPref('browser.startup.homepage', document.URL);
    }
}