function dbconnect($db_host, $db_user, $db_pass, $db_name) {
global $db_connect, $db_charset;
$db_connect = @mysqli_connect($db_host, $db_user, $db_pass, $db_name) or die("Unable to establish connection to MySQL
".mysqli_errno($db_connect)." : ".mysqli_error($db_connect));
if(function_exists('mysqli_set_charset')){mysqli_set_charset($db_connect,$db_charset);}else{mysqli_query($db_connect,'SET NAMES '.$db_charset);}}