<?php
    //ob_start();
    include "db.php";
    $action = $_GET['action'];

    $myusername=$_POST['myusername'];
    $epost=$_POST['epost'];
    $telefon=$_POST['telefon'];
    $mypassword=$_POST['mypassword'];
    $myusername = stripslashes($myusername);
    $epost = stripslashes($epost);
    $telefon = stripslashes($telefon);
    $mypassword = stripslashes($mypassword);
    $myusername = mysql_real_escape_string($myusername);
    $epost = mysql_real_escape_string($epost);
    $telefon = mysql_real_escape_string($telefon);
    $mypassword = mysql_real_escape_string($mypassword);
    $IPADR = $_SERVER['REMOTE_ADDR'];

    if($action == "registrering") {

    echo '

    <script>

    </script>

    ';


    echo '
    <div id="registrering">
    <form name="form2" method="post" action="index.php?action=registrering">
        <input name="myusername" type="text" id="myusername" value="brukernavn" class="errorcheck" onClick="reg_brukernavn()">
        <input name="epost" type="text" id="epost" value="epost" class="errorcheck" onClick="changeValuePass()">
        <input name="telefon" type="text" id="telefon" value="telefon" class="errorcheck" onClick="changeValuePass()">
        <input name="mypassword" type="password" id="mypassword" value="Passord" class="errorcheck" onClick="changeValuePass()">
        <input type="submit" name="reg" value="Registrer meg" class="button">
    </form>
    </div>
    ';

    if($_POST['reg']) {


    if(empty($myusername)) {

    echo '
    <div class="loginerror">
        <h1> Mangler brukernavn. </h1>
        <span class="close"> <a href="#"> x </a> </span>
    </div>
    ';

    }

    if(empty($epost)) {

    echo '
    <div class="loginerror">
        <h1> Mangler epost. </h1>
        <span class="close"> <a href="#"> x </a> </span>
    </div>
    ';
    }

    if(preg_match("/^[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,4}$/i", $epost)) {
    // Treff. Gyldig epostadresse.
    } else {

    echo '
    <div class="loginerror">
        <h1> Ugyldig Epost adresse. </h1>
        <span class="close"> <a href="#"> x </a> </span>
    </div>
    ';

    }

    if(empty($telefon)) {

    echo '
    <div class="loginerror">
        <h1> Mangler Telefon nr. </h1>
        <span class="close"> <a href="#"> x </a> </span>
    </div>
    ';

    }

    if(empty($mypassword)) {

    echo '
    <div class="loginerror">
        <h1> Mangler passord. </h1>
        <span class="close"> <a href="#"> x </a> </span>
    </div>
    ';

    }

    else {

    $query = "INSERT INTO brukere (username, epost, telefon, password, ip) VALUES('$myusername', '$epost', '$telefon', '$mypassword', '$IPADR')";

    mysql_query($query) or die(mysql_error());
    mysql_close();

    echo '
    <div class="loginerror">
        <h1> Gratulerer!!! </h1>
        <span class="close"> <a href="#"> x </a> </span>
    </div>
    ';

    }

    }

    }

    ?>