function form_check() {
var email = document.getElementById("email").value; //Get email address
//Determine if the mailbox format is correct
if(!/^w+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*$/.test(email)) {
alert(" Mailbox format error !");
document.getElementById("email").focus(); //Let the mailbox text box get focus
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;
}
}