am here coding a registration page but am kinda stuck i neeed an error that shows that the name is already taken.....i do have one but when u register it a name thats not already there it still says already exits here is my coding please help out
<?php
include("utils.php");
include("tbc.php");
//include("functions.php");
echo "<link rel=\"StyleSheet\" type=\"text/css\" href=\"http://chillblock.wapdesire.com/nt4_us/teamblaze_css\" />";
echo "<?xml version=\"1.0\" encoding=\"ISO-8859-1\" ?>";
echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">";
?>
<?php
$login = $_POST["login"];
$pass = $_POST["pass"];
$email = $_POST["email"];
echo "<head>";
echo "<link rel=\"icon\" type=\"favicon_ico\" href=\"http://chillblock.wapdesire.com/nt4_us/img/teamblaze.ico\" />";
echo "<title>NT4.us - mobile wapsite creator/Mobile site builder</title>";
echo "</head>";
echo "<p align=\"center\">";
if($_POST["login"] == '' || $_POST["pass"] == ''|| $_POST["email"] == '' )
{
$error = "<img src=\"img/no.gif\" alt=\"\"/> Please Fill out all the fields";
}
else if(strlen($_POST["login"]) < 4)
{
$error = "<img src=\"img/no.gif\" alt=\"\"/> Username - (sitename) must be 4 characters or more";
}
else if(strlen($_POST["pass"]) <4)
{
$error = "<img src=\"img/no.gif\" alt=\"\"/> Password must be 4 characters or more";
}
else if(!ereg('^[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+'. '@'.'[-!#$%&\'*+\\/0-9=?A-Z^_`a-z{|}~]+\.'.'[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+$', $_POST['email']))
{
$error = "<img src=\"img/no.gif\" alt=\"\"/> Please provide a valid email address";
}
else if($_POST["login"])
{
$error = "<img src=\"img/no.gif\" alt=\"\"/> Username - (sitename) is already taken, please try again";
}else{
mysql_query('INSERT INTO users (login, pass, email) VALUES ("' . addslashes($_POST['login']) . '", "' . md5($_POST['pass']) . '", "' . addslashes($_POST['email']) . '")');
$uid = mysql_insert_id();
echo "<img src=\"img/yes.gif\" alt=\"\"/> Site created successfully<br/>---<br/>";
echo "<p>";
echo "Site url: <b>$login$hostname</b><br/>";
echo "Password: <b>$pass</b><br/>";
echo "Email Address: <b>$email</b><br/>---<br/>";
echo "<a href=\"sitepanel.php\">Site Manager/Admin Control</a><br/>";
echo "</p>";
}
echo "$error";
echo "</p>";
?>
<?php
include("utils.php");
include("tbc.php");
//include("functions.php");
echo "<link rel=\"StyleSheet\" type=\"text/css\" href=\"http://chillblock.wapdesire.com/nt4_us/teamblaze_css\" />";
echo "<?xml version=\"1.0\" encoding=\"ISO-8859-1\" ?>";
echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">";
?>
<?php
$login = $_POST["login"];
$pass = $_POST["pass"];
$email = $_POST["email"];
echo "<head>";
echo "<link rel=\"icon\" type=\"favicon_ico\" href=\"http://chillblock.wapdesire.com/nt4_us/img/teamblaze.ico\" />";
echo "<title>NT4.us - mobile wapsite creator/Mobile site builder</title>";
echo "</head>";
echo "<p align=\"center\">";
if($_POST["login"] == '' || $_POST["pass"] == ''|| $_POST["email"] == '' )
{
$error = "<img src=\"img/no.gif\" alt=\"\"/> Please Fill out all the fields";
}
else if(strlen($_POST["login"]) < 4)
{
$error = "<img src=\"img/no.gif\" alt=\"\"/> Username - (sitename) must be 4 characters or more";
}
else if(strlen($_POST["pass"]) <4)
{
$error = "<img src=\"img/no.gif\" alt=\"\"/> Password must be 4 characters or more";
}
else if(!ereg('^[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+'. '@'.'[-!#$%&\'*+\\/0-9=?A-Z^_`a-z{|}~]+\.'.'[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+$', $_POST['email']))
{
$error = "<img src=\"img/no.gif\" alt=\"\"/> Please provide a valid email address";
}
else if($_POST["login"])
{
$error = "<img src=\"img/no.gif\" alt=\"\"/> Username - (sitename) is already taken, please try again";
}else{
mysql_query('INSERT INTO users (login, pass, email) VALUES ("' . addslashes($_POST['login']) . '", "' . md5($_POST['pass']) . '", "' . addslashes($_POST['email']) . '")');
$uid = mysql_insert_id();
echo "<img src=\"img/yes.gif\" alt=\"\"/> Site created successfully<br/>---<br/>";
echo "<p>";
echo "Site url: <b>$login$hostname</b><br/>";
echo "Password: <b>$pass</b><br/>";
echo "Email Address: <b>$email</b><br/>---<br/>";
echo "<a href=\"sitepanel.php\">Site Manager/Admin Control</a><br/>";
echo "</p>";
}
echo "$error";
echo "</p>";
?>
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