Using the IE cache fix from XMLHttpRequest.js allows us to send asynchronous requests without a setTimeout handler. r=bartvde (closes #2065)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@10347 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Request.js

@@ -161,18 +161,8 @@ OpenLayers.Request = {
             }
         };
         
-        // send request (optionally with data) and return
-        // call in a timeout for asynchronous requests so the return is
-        // available before readyState == 4 for cached docs
-        if(config.async === false) {
-            request.send(config.data);
-        } else {
-            window.setTimeout(function(){
-                if (request._aborted !== true) {
-                    request.send(config.data);
-                }
-            }, 0);
-        }
+        request.send(config.data);
+
         return request;
     },