/**
+ * Adds support for the <code>scroll</code> property in <code>to</code>
+ * and <code>from</code> attributes.
+ * @module anim
+ * @submodule anim-scroll
+ */
+
+var NUM = Number;
+
+//TODO: deprecate for scrollTop/Left properties?
+Y.Anim.behaviors.scroll = {
+ set: function(anim, att, from, to, elapsed, duration, fn) {
+ var
+ node = anim._node,
+ val = ([
+ fn(elapsed, NUM(from[0]), NUM(to[0]) - NUM(from[0]), duration),
+ fn(elapsed, NUM(from[1]), NUM(to[1]) - NUM(from[1]), duration)
+ ]);
+
+ if (val[0]) {
+ node.set('scrollLeft', val[0]);
+ }
+
+ if (val[1]) {
+ node.set('scrollTop', val[1]);
+ }
+ },
+ get: function(anim) {
+ var node = anim._node;
+ return [node.get('scrollLeft'), node.get('scrollTop')];
+ }
+};
+