Warning: mysql_connect() [function.mysql-connect]: Client does not support authentication protocol requested by server; consider upgrading MySQL client in C:\inetpub\ftproot\llvillas\ventas\includes\conexion.php on line 7

Fatal error: Client does not support authentication protocol requested by server; consider upgrading MySQL client in C:\inetpub\ftproot\llvillas\ventas\includes\conexion.php on line 7