buenas, a que se debe este error
Warning: Cannot modify header information - headers already sent by (output started at /home/pag/public_html/login.php:33) in /home/pag/public_html/index.php on line 16
creo qu es producido por este codigo
<?php
include("login.php");
mysql_connect("localhost", "pag", "0000" ) or die(mysql_error());
mysql_select_db("xxx" ) or die(mysql_error());
if($loginCorrecto)
{
echo "<font color='red'><BLOCKQUOTE><BLOCKQUOTE><BLOCKQUOTE><B LOCKQUOTE><BLOCKQUOTE><BLOCKQUOTE><BLOCKQUOTE><BLO CKQUOTE><BLOCKQUOTE><BLOCKQUOTE><BLOCKQUOTE><BLOCK QUOTE><BLOCKQUOTE><BLOCKQUOTE><BLOCKQUOTE><br><br> <br><br><br><br><br><br><br><br><br><br><br><br><b r><br><br><br><br>Bienvenido,$nickUsuarioL<br/></BLOCKQUOTE></span></font>";
}
else
{
echo header ("Location: http://www.pag/index.php");
}
?>