Dual Connection and Database Connectivity Failure

[eluser]pakistanvoices[/eluser]
hi man i have remove @ from mysql_connect() and in database.php ( db config ) file, i have change the connection type from pconnect to normal connect. I m getting this error " Too many connections".

I am closing connection in models destruct-er, method given below

function __destruct() {

$this->DBw->close();

$this->DBr->close();

}
Any solution?