function MM_preloadImages() { //v3.0
    var d = document;
    if (d.images) {
        if (!d.MM_p) {
            d.MM_p = new Array();
        }
        var i, j = d.MM_p.length, a = MM_preloadImages.arguments;
        for (i = 0; i < a.length; i++) {
            if (a[i].indexOf("#") != 0) {
                d.MM_p[j] = new Image;
                d.MM_p[j++].src = a[i];
            }
        }
    }
}
function MM_swapImgRestore() { //v3.0
    var i, x, a = document.MM_sr;
    for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) {
        x.src = x.oSrc;
    }
}
function MM_findObj(n, d) { //v4.01
    var p, i, x;
    if (!d) {
        d = document;
    }
    if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
        d = parent.frames[n.substring(p + 1)].document;
        n = n.substring(0, p);
    }
    if (!(x = d[n]) && d.all) {
        x = d.all[n];
    }
    for (i = 0; !x && i < d.forms.length; i++) {
        x = d.forms[i][n];
    }
    for (i = 0; !x && d.layers && i < d.layers.length; i++) {
        x = MM_findObj(n, d.layers[i].document);
    }
    if (!x && d.getElementById) {
        x = d.getElementById(n);
    }
    return x;
}
function MM_swapImage() { //v3.0
    var i, j = 0, x, a = MM_swapImage.arguments;
    document.MM_sr = new Array;
    for (i = 0; i < (a.length - 2); i += 3) {
        if ((x = MM_findObj(a[i])) != null) {
            document.MM_sr[j++] = x;
            if (!x.oSrc) {
                x.oSrc = x.src;
            }
            x.src = a[i + 2];
        }
    }
}
function _(id) {
    return document.getElementById(id);
}
function checkName() {
    if (_("userName").value == "") {
        _("nameStr").innerHTML = "\u8bf7\u8f93\u5165\u7528\u6237\u540d!";
    }else{
	    _("nameStr").innerHTML ="";
    }
}
function checkPwd() {
    if (_("password").value == "") {
        _("pwdStr").innerHTML = "\u8bf7\u8f93\u5165\u5bc6\u7801!";
    }else{
    	_("pwdStr").innerHTML="";
    }
}
function checkImg() {
	if (_("valData").value == "") {
		_("imgStr").innerHTML = "请输入验证码!";
	} else {
		_("imgStr").innerHTML = "";
	}
}
function checkForm() {

    if (_("userName").value == "") {
        _("nameStr").innerHTML = "\u8bf7\u8f93\u5165\u7528\u6237\u540d!";
        return false;
    }
    if (_("userName").value != "") {
        _("nameStr").innerHTML = "";

    }
    if (_("password").value == "") {
        _("pwdStr").innerHTML = "\u8bf7\u8f93\u5165\u5bc6\u7801!";
        return false;
    }
    if (_("password").value != "") {
        _("pwdStr").innerHTML = "";
    }

    var password = _("password").value;
    var encrypt = new JSEncrypt();
    encrypt.setPublicKey("MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuq4u0T5MAmLIIvVJWmLGOmezQr60j5+eGuWmGtN/yBUpKLWtHB01+1v8mpaC8Q3MxK9RUVkL/W8iitLNmt1LNcB8NMMDiInInN3sp+VpKs8JRes3XUuGAlIjK/FASKVEXkeltbOyIfRdyss90O2GKOfr7iPZ1nTomJQvWzh7FN3WkX7luYV0+tV4wzoETSD3C9SjFvfrww5r4QAFStq10GRSpIR48aG05MfrJwq1lpEczv90uTywkRmLcRvlofpUwcbnbufL5QZCVpDsxTTJWi4lUUGyKan+qoSBjRndVwVDMIGFNZEBmgKi2BjEaROg6zXnYF9xS63y7GHF339URwIDAQAB");//此处为RSA公钥
    var passwordRSA = encrypt.encrypt(password);
    _("password").value = passwordRSA;

    if (_("valData").value == "") {
		_("imgStr").innerHTML = "请输入验证码!";
		return false;
	}
    if (_("valData").value != "") {
        _("imgStr").innerHTML = "";
    }

}