function in1(name) {
name.className="in"
}
function out1(name) {
name.className="out"
}
function pres1(name) {
name.className="press"
}

function checkform(theForm) {

 if (theForm.key.value == "31243")
{
    return (true);
 } 
 
alert("Неверный код подтверждения!");
    theForm.key.focus();
    return (false);
}