Erro no meu formulario

[Brutallus]

Tente ae!

<?php virtual('/Connections/sistemaCadastro.php'); ?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "") 
{
  $theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;

  $theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);

  switch ($theType) {
    case "text":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;    
    case "long":
    case "int":
      $theValue = ($theValue != "") ? intval($theValue) : "NULL";
      break;
    case "double":
      $theValue = ($theValue != "") ? "'" . doubleval($theValue) . "'" : "NULL";
      break;
    case "date":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;
    case "defined":
      $theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
      break;
  }
  return $theValue;
}
}

$editFormAction = $_SERVER['PHP_SELF'];
if (isset($_SERVER['QUERY_STRING'])) {
  $editFormAction .= "?" . htmlentities($_SERVER['QUERY_STRING']);
}

if ((isset($_POST["MM_insert"])) && ($_POST["MM_insert"] == "form1")) {
       //confere se a senha combina
       $cadastro = false;
       if($_POST['usoSenha']== $_POST ['usosenha2']){
              $cadastro = true;
     }
     }
        if($cadastro) {      
       
  $insertSQL = sprintf("INSERT INTO usuarios (usuid, usuNome, usuEmail, usoSenha, usuCodigo, usuData) VALUES (%s, %s, %s, %s, %s, %s)",
                       GetSQLValueString($_POST['usuid'], "int"),
                       GetSQLValueString($_POST['usuNome'], "text"),
                       GetSQLValueString($_POST['usuEmail'], "text"),
                       GetSQLValueString(md5($_POST['usoSenha']), "text"),
                       GetSQLValueString($_POST['usuCodigo'], "text"),
                       GetSQLValueString($_POST['usuData'], "date"));

  mysql_select_db($database_sistemaCadastro, $sistemaCadastro);
  $Result1 = mysql_query($insertSQL, $sistemaCadastro) or die(mysql_error());

  $insertGoTo = "login.php";
  if (isset($_SERVER['QUERY_STRING'])) {
    $insertGoTo .= (strpos($insertGoTo, '?')) ? "&" : "?";
    $insertGoTo .= $_SERVER['QUERY_STRING'];
  }
  header(sprintf("Location: %s", $insertGoTo));
  
    }else{
    
             $msg_erro = 'As senhas digitadas nao conferem';
      }
?>