--- fenglin/lib/astro.inc.php	2004/08/04 22:47:10	1.1
+++ fenglin/lib/astro.inc.php	2004/12/07 01:59:24	1.2
@@ -2,12 +2,14 @@
 
 function Date2Astro($month,$day)
 {
+	if ($month < 1 || $month >12 || $day < 1 || $day > 31)
+		return $astro[0];
 	$dates = array(21, 20, 21, 21, 22, 22, 23, 24, 24, 24, 23, 22);
 	$astro = array("摩羯", "水瓶", "双鱼", "白羊", "金牛", "双子", "巨蟹", "狮子", "处女", "天秤", "天蝎", "射手", "摩羯");
-    if ($day < $dates[$month-1])
-    	return $astro[$month-1];
-    else
-    	return $astro[$month];
+	if ($day < $dates[$month-1])
+		return $astro[$month-1];
+	else
+		return $astro[$month];
 }
 
 ?>