added istrue function

git-svn-id: svn://svn.open-ils.org/ILS/branches/rel_1_4@11603 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/web/js/dojo/openils/Util.js b/Open-ILS/web/js/dojo/openils/Util.js
index a421a6f..61ed9bc 100644 (file)
--- a/Open-ILS/web/js/dojo/openils/Util.js
+++ b/Open-ILS/web/js/dojo/openils/Util.js
@@ -178,4 +178,8 @@ if(!dojo._hasResource["openils.Util"]) {
         }
         return [];
     };
+
+    openils.Util.isTrue = function(val) {
+        return (val && val != '0' && !(val+'').match(/^f$/i));
+    };
 }