Problème dans la vérification du formulaire.

<form method="post" action="verif.php">
   
  <fieldset>
			<legend>&nbsp;Informations de connection&nbsp;</legend>
		
		<p><label for="username">Votre pseudo&nbsp;:</label><INPUT TYPE="text" NAME="username" tabindex="10" VALUE="<?php if (isset($username)) echo(htmlspecialchars(stripslashes($username))); ?>"<?php if ($done) echo(" READONLY"); ?> onKeyUp="javascript:couleur(this);"></p>
			
		
		<p><label for="password">Votre mot de passe&nbsp;:</label><INPUT TYPE="password" NAME="password" tabindex="20" VALUE="<?php if (isset($password)) echo(htmlspecialchars(stripslashes($lastname))); ?>"<?php if ($done) echo(" READONLY"); ?> onKeyUp="javascript:couleur(this);"></p>
			
		
		<p><label for="password_conf">Comfirmez votre mot de passe&nbsp;:</label><INPUT TYPE="password" NAME="password_conf"  tabindex="30" VALUE="<?php if (isset($password_conf)) echo(htmlspecialchars(stripslashes($password_conf))); ?>"<?php if ($done) echo(" READONLY"); ?> onKeyUp="javascript:couleur(this);"></p>

  
	</fieldset>

	
	
  <fieldset>
			<legend>&nbsp;Informations personnelles&nbsp;</legend>
			
			
			
		<p>Civilité :&nbsp;<label for="gender">Homme</label><INPUT TYPE="radio" NAME="gender" tabindex="40" VALUE="1" <?php if (isset($gender) && $gender == "1") echo("CHECKED"); if ($done) echo(" READONLY"); ?>>
				<label for="gender">Femme</label><INPUT TYPE="radio" NAME="gender" tabindex="50" VALUE="2" <?php if (isset($gender) && $gender == "2") echo("CHECKED"); if ($done) echo(" READONLY"); ?>></p>

		
		<p><label for="lastname">Nom&nbsp;:</label><­INPUT TYPE="text" NAME="lastname" tabindex="60" VALUE="<?php if (isset($lastname)) echo(htmlspecialchars(stripslashes($lastname))); ?>"<?php if ($done) echo(" READONLY"); ?> onKeyUp="javascript:couleur(this);"></p>
					
		
		<p><label for="firstname">Pr&eacute;nom&nbsp;:<­;/label><INPUT TYPE="text" NAME="firstname" tabindex="70" VALUE="<?php if (isset($firstname)) echo(htmlspecialchars(stripslashes($firstname))); ?>"<?php if ($done) echo(" READONLY"); ?> onKeyUp="javascript:couleur(this);"></p>
				

		<p><label for="DOB">Date de naissance&nbsp;(JJ/MM/AAAA)&nbsp;:</label>&­;nbsp;
		<input class="text" id="DOBDay" name="DOBDay" size="2" maxlength="2" value="" tabindex="80" type="text" onKeyUp="javascript:couleur(this);"/>&nbsp;­
				<span>/</span>
		<input class="text" id="DOBMonth" name="DOBMonth" size="2" maxlength="2" value="" tabindex="90" type="text"onKeyUp="javascript:couleur(this);­"/>&nbsp;
				<span>/</span>
		<input class="text" id="DOBYear" name="DOBYear" size="4" maxlength="4" value="" tabindex="100" type="text" onKeyUp="javascript:couleur(this);"/>&nbsp;­</p>

		
		<p><label for="country">Pays :</label><INPUT TYPE="text" NAME="country" tabindex="110" VALUE="<?php if (isset($country)) echo(htmlspecialchars(stripslashes($country))); ?>"<?php if ($done) echo(" READONLY"); ?> onKeyUp="javascript:couleur(this);"></p>
		
		
		<p><label for="city">Ville :</label><INPUT TYPE="text" NAME="city" tabindex="120" VALUE="<?php if (isset($city)) echo(htmlspecialchars(stripslashes($city))); ?>"<?php if ($done) echo(" READONLY"); ?> onKeyUp="javascript:couleur(this);"></p>
		
		
		<p><label for="email">E-mail&nbsp;:</label><­INPUT TYPE="text" NAME="email" tabindex="130" VALUE="<?php if (isset($email)) echo(htmlspecialchars(stripslashes($email))); ?>"<?php if ($done) echo(" READONLY"); ?> onKeyUp="javascript:couleur(this);"></p>
				
	

	</fieldset>
												<br>
		<p><input class="boutons" type="reset" tabindex="140" /> <input class="boutons" type="submit" tabindex="150" /></p>
	

	
  
	</form>

<?php

include('member/config.php');

if ( empty($username) ||empty($password) ||empty($password_conf) ||empty($lastname) ||empty($firstname) ||empty($DOBDay) ||empty($DOBMonth) ||empty($DOBYear) ||empty($country) ||empty($city) ||empty($email) )
{
	viewheader();
	echo"<h2>$champsrequis</h2>";
	viewfooter();
	exit;
}

if (strlen($username) > 30) 
{
	viewheader();
	echo"<h2>$pseudomaxcar</h2>";
	viewfooter();
	exit;
}

if (strlen($username) < 3)
{
	viewheader();
	echo"<h2>$pseudomincar</h2>";
	viewfooter();
	exit;
}

if (strspn($username,"abcdefghijklmnopqrstuvwxyzABCDEFGHIJ­KLMNOPQRSTUVWXYZ") == 0) 
{
	viewheader();
	echo"<h2>$pseudocar</h2>";
	viewfooter();
	exit;
}

if (strrpos($username,' ') > 0)
{
	viewheader();
	echo"<h2>$pseudospc</h2>";
	viewfooter();
	exit;
}
	
if (strlen($password) > 30) 
{
	viewheader();
	echo"<h2>$passmaxcar</h2>";
	viewfooter();
	exit;
}

if (strlen($password) < 5)
{
	viewheader();
	echo"<h2>$passmincar</h2>";
	viewfooter();
	exit;
}

if (strrpos($password,' ') > 0)
{
	viewheader();
	echo"<h2>$passspc</h2>";
	viewfooter();
	exit;
}

if ($password != $password_conf)
{	
	viewheader();
	echo"<h2>$pass_not_equal</h2>";
	viewfooter();
	exit;
}
		
if(!ereg('^[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+'.
        '@'.
        '[-!#$%&\'*+\\/0-9=?A-Z^_`a-z{|}~]+\.'.
        '[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+$',
        $email))
   	{
		viewheader();
		echo "Email non valide...<br>";
		viewfooter();
		exit;
   	}

	db_connect();
	$requete=mysql_query("SELECT * FROM membres WHERE pseudo='$pseudo' ");
	@$num=mysql_num_rows($requete);

	if($num <> 0)
	{
		viewheader();
		echo"<h2>$pseudopris<a href=\"javascript:history.back()\">retour</a­></h2>";
		viewfooter();
		exit;
	}
	
	$requetem=mysql_query("SELECT * FROM membres WHERE email='$email' ");
	$numm=mysql_num_rows($requetem);

	if($numm <> 0)
	{
		viewheader();
		echo"<h2>$emailpris<a href=\"javascript:history.back()\">retour</a­></h2>";
		viewfooter();
		exit;
	}
		
	if ( ($num == 0) && ($numm == 0) )
	{
			$Latin1 = ($Charset == "iso-8859-1");
			if (!isset($gender)) $gender = "";
			include("chat/lib/get_IP.lib.php3");		
			$PWD_Hash = md5(stripslashes($password));

			$sql = "INSERT INTO `membres` VALUES('', '$Latin1', '$username', '$PWD_Hash','$gender', '$lastname', '$firstname', '$DOBDay', '$DOBMonth', '$DOBYear', '$country', '$city', '$email', '', '', '', '1', ".time().", '0', 'user', '', '$IP')";
	
	
		$insert = mysql_query($sql);
		mysql_close();
	}


	if ($insert)
	{
		viewheader();
?>
		<META HTTP-EQUIV="refresh" CONTENT="3"; URL="member/index.php?<?php echo $id ?>">
		Enregistrement en cours... Merci de patienter.
<?php
		viewfooter();
		exit;
	}

?>