--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/network.js	Tue Jul 06 11:31:19 2010 -0700
@@ -0,0 +1,36 @@
+function Network() {
+    /**
+     * The last known Network status.
+     */
+	this.lastReachability = null;
+};
+
+Network.prototype.isReachable = function(hostName, successCallback, options) {
+	var req = new XMLHttpRequest();  
+   	req.open('GET', hostName, true);  
+   	req.onreadystatechange = function (aEvt) {  
+     	if (req.readyState == 4) {  
+        	if(req.status == 200)  
+        		successCallback(NetworkStatus.REACHABLE_VIA_CARRIER_DATA_NETWORK);
+         	else  
+          		successCallback(NetworkStatus.NOT_REACHABLE);
+ 		}  
+  	};  
+  	req.send(null);
+
+};
+
+/**
+ * This class contains information about any NetworkStatus.
+ * @constructor
+ */
+function NetworkStatus() {
+	this.code = null;
+	this.message = "";
+}
+
+NetworkStatus.NOT_REACHABLE = 0;
+NetworkStatus.REACHABLE_VIA_CARRIER_DATA_NETWORK = 1;
+NetworkStatus.REACHABLE_VIA_WIFI_NETWORK = 2;
+
+if (typeof navigator.network == "undefined") navigator.network = new Network();
\ No newline at end of file