fixed invalid selector for some samples

@@ -30,7 +30,7 @@ casper.start("http://google.fr/");
 
 casper.each(terms, function(self, term, i) {
     self.then(function(self) {
-        self.fill('form[name=f]', { q: term }, true);
+        self.fill('form[action="/search"]', { q: term }, true);
     }).then(function(self) {
         var score = self.fetchScore();
         scores.push({

@@ -11,7 +11,7 @@ if casper.cli.args.length == 0
   casper.exit()
 
 casper.start 'http://google.com', ->
-  @fill 'form[name=f]',  q: casper.cli.args.join(' '), true
+  @fill 'form[action="/search"]',  q: casper.cli.args.join(' '), true
   @click 'input[value="Google Search"]'
 
 casper.then ->