Ja, det kan du da:
<?php
session_start();
$toplinks ="";
if (isset($_SESSION['id'])){
    $userid = $_SESSION['id'];
    $username = $_SESSION['username'];
    $toplinks = '<a href="member_profile.php?id=' . $userid . '">' . $username . '</a>•
    <a href="member_account.php">Profil</a>•
    <a href="logout.php">Log ud</a>';
  }else{
    $toplinks = '<a href="join.php">Bliv medlem</a> • <a href="login.php">Log ind</a>';
  }  
$errorMsg = "";
if (isset($_POST['username'])){     
    include_once "connect_to_mysql.php";    
    $username = ereg_replace("[^A-Za-z0-9]", "", $_POST['username']); 
    $fnavn = ereg_replace("[^A-Z a-z0-9]", "", $_POST['fnavn']); 
    $land = ereg_replace("[^A-Z a-z0-9]", "", $_POST['land']); 
    $by = ereg_replace("[^A-Z a-z0-9]", "", $_POST['by']); 
    $accounttype = ereg_replace("[^a-z]", "", $_POST['accounttype']);
    $email = stripslashes($_POST['email']);
    $email = strip_tags($email);
    $email = mysql_real_escape_string($email);
    $password = ereg_replace("[^A-Za-z0-9]", "", $_POST['password']); 
    if((!$username) || (!$fnavn) || (!$land) || (!$by) || (!$accounttype) || (!$email) || (!$password)){        
        $errorMsg = "Du skal udfylde alle felter!<br /><br />";
        if(!$username){
            $errorMsg .= "--- Brugernavn";
        } else if(!$fnavn){
            $errorMsg .= "--- Fuldenavn"; 
        } else if(!$land){ 
            $errorMsg .= "--- Land"; 
       } else if(!$by){ 
           $errorMsg .= "--- By"; 
       } else if(!$accounttype){ 
           $errorMsg .= "--- Account Type"; 
       } else if(!$email){ 
           $errorMsg .= "--- Email Adresse"; 
       } else if(!$password){ 
           $errorMsg .= "--- Password"; 
       }
    } else {    
    $sql_username_check = mysql_query("SELECT id FROM members WHERE username='$username' LIMIT 1");
    $sql_email_check = mysql_query("SELECT id FROM members WHERE email='$email' LIMIT 1");
    $username_check = mysql_num_rows($sql_username_check);
    $email_check = mysql_num_rows($sql_email_check); 
    if ($username_check > 0){ 
        $errorMsg = "<u>ERROR:</u><br />Dit brugernavn er allerede registret, prøv igen.";
    } else if ($email_check > 0){ 
        $errorMsg = "<u>ERROR:</u><br />Din e-mail er allerede registeret, prøv igen.";
    } else {        
       $hashedPass = md5($password);         
        $sql = mysql_query("INSERT INTO members (username, fuldenavn, land, by, accounttype, email, password, signupdate) 
        VALUES('$username','$fnavn','$land','$by','$accounttype','$email','$hashedPass', now())") or die (mysql_error());        
        $id = mysql_insert_id();        
        mkdir("memberFiles/$id", 0755);         
        $to = "$email";        
        $from = "info@shotokan-dvd.dk";
        $subject = "Fuldfør din registering.";        
        $message = '<html>
        <body bgcolor="#FFFFFF">
        Osu ' . $username . ',
        <br /><br />
        Du bedes udfylde dette felt for at aktivere din profil.
        <br /><br />
        Tryk her for at blive aktiveret >>
        <a href="
http://www.shotokan-dvd.dk/shotokan/activation.php?id=' . $id . '">
        AKTIVERE NU</a>
        <br /><br />
        Dine informationer er : 
        <br /><br />
        E-mail Adresse: ' . $email . ' <br />
        Password: ' . $password . ' 
        <br /><br /> 
        Tak! 
        </body>
        </html>';        
        $headers = "From: $from\r\n";
        $headers .= "Content-type: text/html\r\n";
        $to = "$to";        
        mail($to, $subject, $message, $headers);    
        print "<br /><br /><br /><h4>OK $fnavn, et skridt mere og vi har godkendt din e-mail:</h4><br />
        Vi har sendt et aktiverings link til: $email<br /><br />
        <strong><font color=\"#990000\">Vær venlig at gå til din indbakke, og check din mail</font></strong> for at aktivere din konto <br />
        Med det link som er sendt til dig. Efter aktiveringen kan du logge ind.";
        exit(); 
    } 
  } 
}   
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "
http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="
http://www.w3.org/1999/xhtml"><head>
<title>Shotokan DVD - Registere</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<style>
A:link {text-decoration:none; color:#7F7F7D; }
A:visited {text-decoration:none; color:#7F7F7D; }
A:hover    {text-decoration:underline; color:#FFFFFF}
#register tr td table form tr td input {
    color: #CCC;
}
#register tr td p {
    font-family: Verdana, Geneva, sans-serif;
    color: #FFF;
    font-size: 18px;
    text-align: center;
}
#register tr td a {
    font-family: Verdana, Geneva, sans-serif;
}
#register tr td a {
    font-size: 10px;
}
#register tr td a {
    font-size: 12px;
}
#register tr td b font a {
    text-align: right;
}
#register {
    text-align: right;
}
</style>
</head>
<body bgcolor="#FFFFFF" topmargin="0" leftmargin="0" rightmargin="0" bottommargin="0" background="../../../image/bag.jpg">
<center>
<table id="register" width="1080" border="0" cellpadding="0" cellspacing="0">
    <tr>
        <td rowspan="4">
            <img id="join_01" src="image/join_01.png" width="37" height="884" alt="" /></td>
        <td>
            <img id="join_02" src="image/join_02.png" width="427" height="96" alt="" /></td>
        <td background="image/join_03.png" width="576" height="96"><b><font face="Verdana" color="#C0C0C0" size="2"><a href="indextest2.php">F<span id="register">orside</span></a> <span id="register">• <a href="introduktion.php">Introduktion</a> • <?php echo $toplinks; ?></span></font></b>
      </td>
        <td rowspan="4">
            <img id="join_04" src="../../../image/join_04.png" width="40" height="884" alt="" /></td>
    </tr>
    <tr>
        <td background="../../../image/join_05.png" width="427" height="564"> 
            </td>
        <td background="../../../image/join_06.png" width="576" height="564">        
<p>Registere nu</p>
<table width="318" align="center" cellpadding="5">
  <form action="join_form.php" method="post" enctype="multipart/form-data">
    <tr>
      <td colspan="2"><font color="#FF0000"><?php echo "$errorMsg"; ?></font></td>
    </tr>
    <tr>
      <td width="302"><input name="username" type="text" placeholder="Brugernavm" value="<?php echo "$username"; ?>" size="44" /></td>
    </tr>
        <tr>
      <td><input name="fnavn" type="text" placeholder="Fulde navn" value="<?php echo "$fnavn"; ?>" size="44" /></td>
    </tr>
    <tr>
      <td><select name="Land">
      <option value="<?php echo "$land"; ?>"><?php echo "$land"; ?></option>
          <option value="AF">Afghanistan</option> 
          <option value="AL">Albania</option> 
          <option value="DZ">Algeria</option> 
          <option value="AS">American Samoa</option> 
          <option value="AD">Andorra</option> 
          <option value="AO">Angola</option> 
          <option value="AI">Anguilla</option> 
          <option value="AQ">Antarctica</option> 
          <option value="AG">Antigua and Barbuda</option> 
          <option value="AR">Argentina</option> 
          <option value="AM">Armenia</option> 
          <option value="AW">Aruba</option> 
          <option value="AU">Australia</option> 
          <option value="AT">Austria</option> 
          <option value="AZ">Azerbaijan</option> 
          <option value="BS">Bahamas</option> 
          <option value="BH">Bahrain</option> 
          <option value="BD">Bangladesh</option> 
          <option value="BB">Barbados</option> 
          <option value="BY">Belarus</option> 
          <option value="BE">Belgium</option> 
          <option value="BZ">Belize</option> 
          <option value="BJ">Benin</option> 
          <option value="BM">Bermuda</option> 
          <option value="BT">Bhutan</option> 
          <option value="BO">Bolivia</option> 
          <option value="BA">Bosnia and Herzegowina</option> 
          <option value="BW">Botswana</option> 
          <option value="BV">Bouvet Island</option> 
          <option value="BR">Brazil</option> 
          <option value="IO">British Indian Ocean Territory</option> 
          <option value="BN">Brunei Darussalam</option> 
          <option value="BG">Bulgaria</option> 
          <option value="BF">Burkina Faso</option> 
          <option value="BI">Burundi</option> 
          <option value="KH">Cambodia</option> 
          <option value="CM">Cameroon</option> 
          <option value="CA">Canada</option> 
          <option value="CV">Cape Verde</option> 
          <option value="KY">Cayman Islands</option> 
          <option value="CF">Central African Republic</option> 
          <option value="TD">Chad</option> 
          <option value="CL">Chile</option> 
          <option value="CN">China</option> 
          <option value="CX">Christmas Island</option> 
          <option value="CC">Cocos (Keeling) Islands</option> 
          <option value="CO">Colombia</option> 
          <option value="KM">Comoros</option> 
          <option value="CG">Congo</option> 
          <option value="CD">Congo, the Democratic Republic of the</option> 
          <option value="CK">Cook Islands</option> 
          <option value="CR">Costa Rica</option> 
          <option value="CI">Cote d'Ivoire</option> 
          <option value="HR">Croatia (Hrvatska)</option> 
          <option value="CU">Cuba</option> 
          <option value="CY">Cyprus</option> 
          <option value="CZ">Czech Republic</option> 
          <option value="DK" selected="selected">Denmark</option> 
          <option value="DJ">Djibouti</option> 
          <option value="DM">Dominica</option> 
          <option value="DO">Dominican Republic</option> 
          <option value="TP">East Timor</option> 
          <option value="EC">Ecuador</option> 
          <option value="EG">Egypt</option> 
          <option value="SV">El Salvador</option> 
          <option value="GQ">Equatorial Guinea</option> 
          <option value="ER">Eritrea</option> 
          <option value="EE">Estonia</option> 
          <option value="ET">Ethiopia</option> 
          <option value="FK">Falkland Islands (Malvinas)</option> 
          <option value="FO">Faroe Islands</option> 
          <option value="FJ">Fiji</option> 
          <option value="FI">Finland</option> 
          <option value="FR">France</option> 
          <option value="FX">France, Metropolitan</option> 
          <option value="GF">French Guiana</option> 
          <option value="PF">French Polynesia</option> 
          <option value="TF">French Southern Territories</option> 
          <option value="GA">Gabon</option> 
          <option value="GM">Gambia</option> 
          <option value="GE">Georgia</option> 
          <option value="DE">Germany</option> 
          <option value="GH">Ghana</option> 
          <option value="GI">Gibraltar</option> 
          <option value="GR">Greece</option> 
          <option value="GL">Greenland</option> 
          <option value="GD">Grenada</option> 
          <option value="GP">Guadeloupe</option> 
          <option value="GU">Guam</option> 
          <option value="GT">Guatemala</option> 
          <option value="GN">Guinea</option> 
          <option value="GW">Guinea-Bissau</option> 
          <option value="GY">Guyana</option> 
          <option value="HT">Haiti</option> 
          <option value="HM">Heard and Mc Donald Islands</option> 
          <option value="VA">Holy See (Vatican City State)</option> 
          <option value="HN">Honduras</option> 
          <option value="HK">Hong Kong</option> 
          <option value="HU">Hungary</option> 
          <option value="IS">Iceland</option> 
          <option value="IN">India</option> 
          <option value="ID">Indonesia</option> 
          <option value="IR">Iran (Islamic Republic of)</option> 
          <option value="IQ">Iraq</option> 
          <option value="IE">Ireland</option> 
          <option value="IL">Israel</option> 
          <option value="IT">Italy</option> 
          <option value="JM">Jamaica</option> 
          <option value="JP">Japan</option> 
          <option value="JO">Jordan</option> 
          <option value="KZ">Kazakhstan</option> 
          <option value="KE">Kenya</option> 
          <option value="KI">Kiribati</option> 
          <option value="KP">Korea, Democratic People's Republic of</option> 
          <option value="KR">Korea, Republic of</option> 
          <option value="KW">Kuwait</option> 
          <option value="KG">Kyrgyzstan</option> 
          <option value="LA">Lao People's Democratic Republic</option> 
          <option value="LV">Latvia</option> 
          <option value="LB">Lebanon</option> 
          <option value="LS">Lesotho</option> 
          <option value="LR">Liberia</option> 
          <option value="LY">Libyan Arab Jamahiriya</option> 
          <option value="LI">Liechtenstein</option> 
          <option value="LT">Lithuania</option> 
          <option value="LU">Luxembourg</option> 
          <option value="MO">Macau</option> 
          <option value="MK">Macedonia</option> 
          <option value="MG">Madagascar</option> 
          <option value="MW">Malawi</option> 
          <option value="MY">Malaysia</option> 
          <option value="MV">Maldives</option> 
          <option value="ML">Mali</option> 
          <option value="MT">Malta</option> 
          <option value="MH">Marshall Islands</option> 
          <option value="MQ">Martinique</option> 
          <option value="MR">Mauritania</option> 
          <option value="MU">Mauritius</option> 
          <option value="YT">Mayotte</option> 
          <option value="MX">Mexico</option> 
          <option value="FM">Micronesia, Federated States of</option> 
          <option value="MD">Moldova, Republic of</option> 
          <option value="MC">Monaco</option> 
          <option value="MN">Mongolia</option> 
          <option value="MS">Montserrat</option> 
          <option value="MA">Morocco</option> 
          <option value="MZ">Mozambique</option> 
          <option value="MM">Myanmar</option> 
          <option value="NA">Namibia</option> 
          <option value="NR">Nauru</option> 
          <option value="NP">Nepal</option> 
          <option value="NL">Netherlands</option> 
          <option value="AN">Netherlands Antilles</option> 
          <option value="NC">New Caledonia</option> 
          <option value="NZ">New Zealand</option> 
          <option value="NI">Nicaragua</option> 
          <option value="NE">Niger</option> 
          <option value="NG">Nigeria</option> 
          <option value="NU">Niue</option> 
          <option value="NF">Norfolk Island</option> 
          <option value="MP">Northern Mariana Islands</option> 
          <option value="NO">Norway</option> 
          <option value="OM">Oman</option> 
          <option value="PK">Pakistan</option> 
          <option value="PW">Palau</option> 
          <option value="PA">Panama</option> 
          <option value="PG">Papua New Guinea</option> 
          <option value="PY">Paraguay</option> 
          <option value="PE">Peru</option> 
          <option value="PH">Philippines</option> 
          <option value="PN">Pitcairn</option> 
          <option value="PL">Poland</option> 
          <option value="PT">Portugal</option> 
          <option value="PR">Puerto Rico</option> 
          <option value="QA">Qatar</option> 
          <option value="RE">Reunion</option> 
          <option value="RO">Romania</option> 
          <option value="RU">Russian Federation</option> 
          <option value="RW">Rwanda</option> 
          <option value="KN">Saint Kitts and Nevis</option> 
          <option value="LC">Saint LUCIA</option> 
          <option value="VC">Saint Vincent and the Grenadines</option> 
          <option value="WS">Samoa</option> 
          <option value="SM">San Marino</option> 
          <option value="ST">Sao Tome and Principe</option> 
          <option value="SA">Saudi Arabia</option> 
          <option value="SN">Senegal</option> 
          <option value="SC">Seychelles</option> 
          <option value="SL">Sierra Leone</option> 
          <option value="SG">Singapore</option> 
          <option value="SK">Slovakia (Slovak Republic)</option> 
          <option value="SI">Slovenia</option> 
          <option value="SB">Solomon Islands</option> 
          <option value="SO">Somalia</option> 
          <option value="ZA">South Africa</option> 
          <option value="GS">South Georgia and the South Sandwich Islands</option> 
          <option value="ES">Spain</option> 
          <option value="LK">Sri Lanka</option> 
          <option value="SH">St. Helena</option> 
          <option value="PM">St. Pierre and Miquelon</option> 
          <option value="SD">Sudan</option> 
          <option value="SR">Suriname</option> 
          <option value="SJ">Svalbard and Jan Mayen Islands</option> 
          <option value="SZ">Swaziland</option> 
          <option value="SE">Sweden</option> 
          <option value="CH">Switzerland</option> 
          <option value="SY">Syrian Arab Republic</option> 
          <option value="TW">Taiwan, Province of China</option> 
          <option value="TJ">Tajikistan</option> 
          <option value="TZ">Tanzania, United Republic of</option> 
          <option value="TH">Thailand</option> 
          <option value="TG">Togo</option> 
          <option value="TK">Tokelau</option> 
          <option value="TO">Tonga</option> 
          <option value="TT">Trinidad and Tobago</option> 
          <option value="TN">Tunisia</option> 
          <option value="TR">Turkey</option> 
          <option value="TM">Turkmenistan</option> 
          <option value="TC">Turks and Caicos Islands</option> 
          <option value="TV">Tuvalu</option> 
          <option value="UG">Uganda</option> 
          <option value="UA">Ukraine</option> 
          <option value="AE">United Arab Emirates</option> 
          <option value="GB">United Kingdom</option> 
          <option value="US">United States</option> 
          <option value="UM">United States Minor Outlying Islands</option> 
          <option value="UY">Uruguay</option> 
          <option value="UZ">Uzbekistan</option> 
          <option value="VU">Vanuatu</option> 
          <option value="VE">Venezuela</option> 
          <option value="VN">Viet Nam</option> 
          <option value="VG">Virgin Islands (British)</option> 
          <option value="VI">Virgin Islands (U.S.)</option> 
          <option value="WF">Wallis and Futuna Islands</option> 
          <option value="EH">Western Sahara</option> 
          <option value="YE">Yemen</option> 
          <option value="YU">Yugoslavia</option> 
          <option value="ZM">Zambia</option> 
          <option value="ZW">Zimbabwe</option> 
      </select></td>
    </tr>
    <tr>
      <td>
        <input name="By" type="text" placeholder="By" value="<?php echo "$by"; ?>" size="44" />
      </td>
    </tr>
    <tr>
      <td><select name="accounttype">
        <option value="<?php echo "$accounttype"; ?>" ><?php echo "$accounttype"; ?> </option>
        <option value="a" selected="selected">Normal Bruger</option>
        <option value="b">Expert Bruger</option>
        <option value="c">Super Bruger</option>
      </select></td>
    </tr>
    <tr>
      <td><input name="email" type="text" placeholder="E-mail" value="<?php echo "$email"; ?>" size="44" />
      </td>
    </tr>
    <tr>
      <td><input name="password" type="password" placeholder="Password" value="<?php echo "$password"; ?>" size="44" /> 
      <font size="-2" color="#006600"><br />
      <span class="st">      <span class="farve">(Kun bogstaver og tal, ingen mellemrum eller symboler)</span></span></font></td>
    </tr>   
    <tr>
      <td><div align="right">
        <input type="submit" name="Submit" value="Udfør" />
      </div></td>
    </tr>
  </form>
</table>
<p> </p>
<p><br />
</p>        
      </td>
    </tr>
    <tr>
        <td colspan="2" background="../../../image/join_07.png" width="1003" height="176"> 
            </td>
    </tr>
    <tr>
        <td colspan="2">
            <img id="join_08" src="../../../image/join_08.png" width="1003" height="48" alt="" /></td>
    </tr>
</table>
</center>
</body>
</html>