fixes #153 - erroneous mouse event results when event.preventDefault() was used

@@ -5,6 +5,7 @@ XXXX-XX-XX, v1.0.0
 ------------------
 
 - fixed [#164](https://github.com/n1k0/casperjs/issues/164) - ability to force CLI parameters as strings (see [related documentation](http://casperjs.org/cli.html#raw)).
+- fixed [#153](https://github.com/n1k0/casperjs/issues/153) - erroneous mouse event results when event.preventDefault() was used
 
 2012-06-26, v1.0.0-RC1
 ----------------------

-Subproject commit 03a0fac7329753f0b25bfe10d517fb214de479d0
+Subproject commit f2d604f78f2c6005c6fd6b63617a2df67c48bab3

@@ -407,11 +407,20 @@
                 this.log("mouseEvent(): Couldn't find any element matching '" + selector + "' selector", "error");
                 return false;
             }
-            var evt = document.createEvent("MouseEvents");
-            evt.initMouseEvent(type, true, true, window, 1, 1, 1, 1, 1, false, false, false, false, 0, elem);
-            // dispatchEvent return value is false if at least one of the event
-            // handlers which handled this event called preventDefault
-            return elem.dispatchEvent(evt);
+            try {
+                var evt = document.createEvent("MouseEvents");
+                evt.initMouseEvent(type, true, true, window, 1, 1, 1, 1, 1, false, false, false, false, 0, elem);
+                // dispatchEvent return value is false if at least one of the event
+                // handlers which handled this event called preventDefault;
+                // so we cannot returns this results as it cannot accurately informs on the status
+                // of the operation
+                // let's assume the event has been sent ok it didn't raise any error
+                elem.dispatchEvent(evt);
+                return true;
+            } catch (e) {
+                this.log("Failed dispatching " + type + "mouse event on " + selector + ": " + e, "error");
+                return false;
+            }
         };
 
         /**