Apply AJAX for deleting a StockArticle

app/views/stockit/_destroy_fail.js.haml

@@ -0,0 +1,7 @@
+-# please polish the following line if you know how
+var errorDiv = $('<div class="alert fade in alert-error"><a class="close" data-dismiss="alert" href="#">×</a></div>');
+
+-# next line, createTextNode called by .text(textString) helps escaping for html, but what about ' signs?
+errorDiv.text('#{fail_msg}');
+
+$('div.container-fluid').prepend(errorDiv);