wp/nwyj/.svn/pristine/73/73ad41a1e0baaec464619d9aa93c8d4a49065eac.svn-base

if (!dojo._hasResource["dojox.fx.scroll"]) { // _hasResource checks added by
												// build. Do not use
												// _hasResource directly in your
												// code.
	dojo._hasResource["dojox.fx.scroll"] = true;
	dojo.provide("dojox.fx.scroll");
	dojo.experimental("dojox.fx.scroll");

	dojo.require("dojox.fx._core");

	dojox.fx.smoothScroll = function(/* Object */args) {
		// summary: Returns an animation that will smooth-scroll to a node
		// (specified in etup())
		// description: This implementation support either horizental or
		// vertical scroll, as well as
		// both. In addition, element in iframe can be scrolled to correctly.
		// offset: {x: int, y: int} this will be added to the target position
		// duration: Duration of the animation in milliseconds.
		// win: a node or window object to scroll

		if (!args.target) {
			args.target = dojo.coords(args.node, true);
		}

		var isWindow = dojo[(dojo.isIE ? "isObject" : "isFunction")](args["win"].scrollTo);

		var _anim = (isWindow) ? (function(val) {
			args.win.scrollTo(val[0], val[1]);
		}) : (function(val) {
			args.win.scrollLeft = val[0];
			args.win.scrollTop = val[1];
		});

		var anim = new dojo._Animation(dojo.mixin({
					beforeBegin : function() {
						if (this.curve) {
							delete this.curve;
						}
						var current = isWindow ? dojo._docScroll() : {
							x : args.win.scrollLeft,
							y : args.win.scrollTop
						};
						anim.curve = new dojox.fx._Line([current.x, current.y],
								[args.target.x, args.target.y]);
					},
					onAnimate : _anim
				}, args));
		return anim; // dojo._Animation
	};

}