From 1f7a724dedde9503e0742f8874ec78dcb51cb940 Mon Sep 17 00:00:00 2001
From: shiin <shiin@avatar2.fritz.box>
Date: Mon, 30 Jul 2012 14:39:01 +0200
Subject: [PATCH] added function to check whether a variable holds a number

---
 WebContent/utils/OSRM.Utils.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/WebContent/utils/OSRM.Utils.js b/WebContent/utils/OSRM.Utils.js
index 74cfbf2e9..c3935ce57 100644
--- a/WebContent/utils/OSRM.Utils.js
+++ b/WebContent/utils/OSRM.Utils.js
@@ -77,6 +77,9 @@ isLongitude: function(value) {
 		return true;
 	else
 		return false;
+},
+isNumber: function(n) {
+	  return !isNaN(parseFloat(n)) && isFinite(n);
 }
 
 };
\ No newline at end of file