fixed #368 - check that a link still exists after click for processing further

@@ -4,6 +4,7 @@ CasperJS Changelog
 XXXX-XX-XX, v1.0.2
 ------------------
 
+- fixed [#368](https://github.com/n1k0/casperjs/issues/368) - Remote JS error is thrown when a click target is missing after `click()`
 - merged PR [#357](https://github.com/n1k0/casperjs/pull/357) - fire the `input` event after setting input value (required to support [angular.js](http://angularjs.org/) apps)
 
 2013-01-17, v1.0.1

@@ -389,7 +389,10 @@ Casper.prototype.click = function click(selector) {
     this.checkStarted();
     var success = this.mouseEvent('click', selector);
     this.evaluate(function(selector) {
-        document.querySelector(selector).focus();
+        var element = __utils__.findOne(selector);
+        if (element) {
+            element.focus();
+        }
     }, selector);
     return success;
 };