function form_check() {
var email = document.getElementById("email").value; //获取邮箱地址
//判断邮箱格式是否正确
if(!/^w+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*$/.test(email)) {
alert("邮箱格式错误!");
document.getElementById("email").focus(); //让邮箱文本框获得焦点
return false;
}
return true;
}

function checkMobile(s) {
var regu = /^[1][0-9][0-9]{9}$/;
var re = new RegExp(regu);
if (re.test(s)) {
return true;
} else {
return false;
}
}