first commit

public/assets/js/as/btn.js

@@ -0,0 +1,19 @@
+as.btn = {};
+
+as.btn.loading = function(button, text) {
+    var oldText = button.text();
+    var newText = typeof text == "undefined" ? '' : text;
+
+    var html = '<i class="fa fa-spinner fa-spin"></i> ' + newText;
+    button.data("old-text", oldText)
+        .html(html)
+        .addClass("disabled")
+        .attr('disabled', "disabled");
+};
+
+as.btn.stopLoading = function (button) {
+    var oldText = button.data('old-text');
+    button.text(oldText)
+        .removeClass("disabled")
+        .removeAttr("disabled");
+};