moved stylesheets and javascripts to assets

app/assets/javascripts/utility.js

@@ -0,0 +1,21 @@
+(function() {
+  Danbooru.meta = function(key) {
+    return $("meta[name=" + key + "]").attr("content");
+  }
+  
+  Danbooru.j_alert = function(title, msg) {
+    $('<div title="' + title + '"></div>').html(msg).dialog();
+  }
+  
+  Danbooru.j_error = function(msg) {
+    this.j_alert("Error", msg);
+  }
+  
+  Danbooru.ajax_start = function(target) {
+    $(target).after(' <img src="/images/wait.gif" width="15" height="5" class="wait">');
+  }
+  
+  Danbooru.ajax_stop = function(target) {
+    $(target).next("img.wait").remove();
+  }
+})();