diff --git a/Nasal/globals.nas b/Nasal/globals.nas
index e296ab972..65f949171 100644
--- a/Nasal/globals.nas
+++ b/Nasal/globals.nas
@@ -76,6 +76,18 @@ setlistener = func {
 }
 
 
+##
+# Convenience wrapper for the _condition function. Takes a
+# property path string or props.Node object as argument,
+# evaluates the property as <condition> and returns 1 or 0
+# for true/false (see $FG_ROOT/Docs/README.condition).
+#
+condition = func(prop) {
+    if(isa(prop, props.Node)) { prop = prop._g; }
+    elsif(typeof(prop) != "scalar") { return; }
+    return _condition(prop);
+}
+
 ##
 # Returns true if the symbol name is defined in the caller, or the
 # caller's lexical namespace.  (i.e. defined("varname") tells you if