function chkinputlogin(form) {
	if (form.netname.value == "") {
		alert("请输入用户名！");
		form.netname.focus();
		return false;
	}
	if (form.pwd.value == "") {
		alert("请输入登录密码！");
		form.pwd.focus();
		return false;
	}
	if (form.xym.value == "") {
		alert("请输入验证码！");
		form.xym.focus();
		return false;
	}
	if (form.xym.value != form.xym1.value) {
		alert("验证码输入有误！");
		form.xym.focus();
		return false;
	}
	return true;
}

function chkinputlogin1(form) {
	if (form.netname.value == "") {
		alert("请输入用户名！");
		form.netname.focus();
		return false;
	}
	if (form.pwd.value == "") {
		alert("请输入登录密码！");
		form.pwd.focus();
		return false;
	}
	return true;
}

function chkchangeface(form) {
	if (form.face.value == "") {
		alert("请选择要更改的头像！");
		form.face.focus();
		return false;
	}
	return true;
}

function chkinputstudypj(form) {
	if (form.content.value == "") {
		alert("请输入评论内容！");
		form.content.focus();
		return false;
	}
	return true;
}
//
function chkinputaddserver(form) {
	if (form.servername.value == '') {
		alert("请输入服务人员名称！");
		form.servername.focus();
		return false;
	}

	if (form.bccdtypeid.value == '') {
		alert("请选择负责编程词典名称！");
		form.bccdtypeid.focus();
		return false;
	}

	if (form.zw.value == '') {
		alert("请输入服务人员职务！");
		form.zw.focus();
		return false;
	}
	if (form.address.value == '') {
		alert("请选择服务人员照片！");
		form.address.focus();
		return false;
	}
	if (form.about.value == '') {
		alert("请输入服务人员简介！");
		form.about.focus();
		return false;
	}
	return true;

}

//
function chkinputaddbcjyz(form) {
	if (form.title.value == "") {
		alert("请输入主题！");
		form.title.focus();
		return false;
	}

	if (form.bccdtypeid.value == "") {
		alert("请选择编程词典类别！");
		form.bccdtypeid.focus();
		return false;
	}
	if (form.classid.value == "") {
		alert("请选择课程名称！");
		form.classid.focus();
		return false;
	}
	if (form.type.value == "") {
		alert("请选择所属类别！");
		form.type.focus();
		return false;
	}
	if (form.serverid.value == "") {
		alert("请选择开发或服务人员名称！");
		form.serverid.focus();
		return false;
	}
	if (form.address.value == "") {
		alert("请选择程序主界面！");
		form.address.focus();
		return false;
	}
	if (form.filename.value == "") {
		alert("请选择上传文件名！");
		form.filename.focus();
		return false;
	}
	if (form.vodname.value == "") {
		alert("请选择视频文件名！");
		form.vodname.focus();
		return false;
	}
	var oEditor = FCKeditorAPI.GetInstance("content");
	var chkContent = oEditor.GetXHTML();
	chkContent = chkContent.replace("<br />", "");
	chkContent = chkContent.replace("nbsp;", "");
	if (chkContent == "") {
		alert("请输入详细内容！");
		return false;
	}
	return true;
}

//
function chkinputaddctype(form) {
	if (form.typename.value == "") {
		alert("请输入类别名称！");
		form.typename.focus();
		return false;
	}
	if (form.flag.value == "") {
		alert("请选择类别！");
		form.flag.focus();
		return false;
	}
	if (form.flag.value == "1" && form.aboutserver.value == "") {
		alert("请输入服务团队介绍！");
		form.aboutserver.focus();
		return false;
	}
	return true;
}

//

function chkinputbuyuserinfo(form, mark) {
	if (mark == 0 || mark == "all") {
		if (form.username.value == "") {
			chkusername.innerHTML = "<font color='#990000'>·</font>&nbsp;&nbsp;请输入收货人姓名！";
			chkusername.style.display = '';
			form.username.style.backgroundColor = "#FF0000";
			return false;
		} else {
			chkusername.innerHTML = "";
			chkusername.style.display = 'none';
			form.username.style.backgroundColor = "#FFFFFF";
		}

	}

	if (mark == 1 || mark == "all") {
		if (form.sex.value == "") {
			chksex.innerHTML = "<font color='#990000'>·</font>&nbsp;&nbsp;请选择收货人性别！";
			chksex.style.display = '';
			form.sex.style.backgroundColor = "#FF0000";
			return false;
		} else {
			chksex.innerHTML = "";
			chksex.style.display = 'none';
			form.sex.style.backgroundColor = "#FFFFFF";
		}

	}

	if (mark == 2 || mark == "all") {
		if (form.address.value == "") {
			chkaddress.innerHTML = "<font color='#990000'>·</font>&nbsp;&nbsp;请输入收货人详细联系地址！";
			chkaddress.style.display = '';
			form.address.style.backgroundColor = "#FF0000";
			return false;
		} else {
			chkaddress.innerHTML = "";
			chkaddress.style.display = 'none';
			form.address.style.backgroundColor = "#FFFFFF";
		}

	}

	if (mark == 3 || mark == "all") {
		if (form.yb.value == "") {
			chkyb.innerHTML = "<font color='#990000'>·</font>&nbsp;&nbsp;请输入邮编！";
			form.yb.style.backgroundColor = "#FF0000";
			chkyb.style.display = '';
			return false;
		} else if (isNaN(form.yb.value)) {
			chkyb.innerHTML = "<font color='#990000'>·</font>&nbsp;&nbsp;邮编由数字组成！";
			form.yb.style.backgroundColor = "#FF0000";
			chkyb.style.display = '';
			return false;
		} else if (form.yb.value.length != 6) {
			chkyb.innerHTML = "<font color='#990000'>·</font>&nbsp;&nbsp;邮编由6位数字组成！";
			form.yb.style.backgroundColor = "#FF0000";
			chkyb.style.display = '';
			return false;
		} else {
			chkyb.innerHTML = "";
			chkyb.style.display = 'none';
			form.yb.style.backgroundColor = "#FFFFFF";
		}
	}

	if (mark == 4 || mark == "all") {
		if (form.tel.value == "") {
			chktel.innerHTML = "<font color='#990000'>·</font>&nbsp;&nbsp;请输入联系电话！";
			form.tel.style.backgroundColor = "#FF0000";
			chktel.style.display = '';
			return false;
		} else if (isNaN(form.tel.value)) {
			chktel.innerHTML = "<font color='#990000'>·</font>&nbsp;&nbsp;电话号由数字组成！";
			form.tel.style.backgroundColor = "#FF0000";
			chktel.style.display = '';
			return false;
		} else {
			chktel.innerHTML = "";
			chktel.style.display = 'none';
			form.tel.style.backgroundColor = "#FFFFFF";
		}
	}

	if (form.but_showtt.checked && (mark == 5 || mark == "all")) {
		if (form.tt.value == "") {
			chktt.innerHTML = "<font color='#990000'>·</font>&nbsp;&nbsp;请输入发票抬头！";
			chktt.style.display = '';
			form.tt.style.backgroundColor = "#FF0000";
			return false;
		} else {
			chktt.innerHTML = "";
			chktt.style.display = 'none';
			form.tt.style.backgroundColor = "#FFFFFF";
		}

	}

	return true;

}

function isShowtt(form) {
	if (showtt.style.display == '') {
		showtt.style.display = 'none';
		form.tt.value = '';
	} else {
		showtt.style.display = '';
	}
}