Consolidate all definitions of probably_alive() into one.

svn: r623

src/Date.py

@@ -22,6 +22,7 @@
 
 from re import IGNORECASE, compile
 import string
+import time
 
 from Calendar import *
 from intl import gettext
@@ -962,6 +963,18 @@ class SingleDate:
             self.month = m-1
             self.day = d
 
+#-------------------------------------------------------------------------
+#
+# 
+#
+#-------------------------------------------------------------------------
+def not_too_old(date):
+    time_struct = time.localtime(time.time())
+    current_year = time_struct[0]
+    if date.year != UNDEF and current_year - date.year > 110:
+        return 0
+    return 1
+
 #-------------------------------------------------------------------------
 #
 #