--- a/update-compra.php	Wed Nov 08 22:43:00 2006 +0100
+++ b/update-compra.php	Wed Nov 08 23:03:52 2006 +0100
@@ -423,6 +423,11 @@
 	/* Posem a 0 els toca_pagar finals */
 	foreach($habitants as $j)
 		$toca_pagar[$j["id"]] = 0.;
+	for($i=0; $i < $_POST["num_altres"]; $i++)
+	{
+		$persona = $_POST["altres"][$i];
+		$toca_pagar[$persona] = 0.;
+	}
 
 	for ($i = 1; $i <= $_POST["num_excepcions"]; $i++)
 	{
@@ -438,6 +443,7 @@
 
 			$preu_per_compradors -= $_POST["epreu"][$i];
 
+			$participants = 0;
 			foreach($habitants as $j)
 				if (isset($_POST["eparticipat"][$i][$j["id"]]))
 					$participants++;