Char counter for notice update text area. http://laconi.ca/PITS/00094

Added a util.js and this uses JQuery.

darcs-hash:20080624174613-982e4-1a6f11365957e6f4ed70b87ce64fb9938441f01f.gz

js/util.js

@@ -0,0 +1,21 @@
+$(document).ready(function(){
+        // count character on keyup
+        function counter(){ 
+            var maxLength     = 140; 
+            var currentLength = $("#status_textarea").val().length;
+            var remaining = 140 - currentLength;
+            $("#counter").text(remaining);
+
+            if(remaining <= 0) {
+                $("#counter").attr("class", "toomuch");
+                } else {
+                $("#counter").attr("class", "");
+                }
+        }
+
+        if ($("#status_textarea").length) {
+            $("#status_textarea").bind("keyup", counter);
+        }
+
+});
+