1 files changed, 60 insertions, 0 deletions
diff --git a/external/mousewheel/jquery.mousewheel.js b/external/mousewheel/jquery.mousewheel.js
new file mode 100755
index 000000000..b6b89ba60
--- /dev/null
+++ b/external/mousewheel/jquery.mousewheel.js
@@ -0,0 +1,60 @@
+/*! Copyright (c) 2009 Brandon Aaron (http://brandonaaron.net)
+ * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
+ * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
+ * Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
+ * Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
+ *
+ * Version: 3.0.2
+ * 
+ * Requires: 1.2.2+
+ */
+
+(function($) {
+
+var types = ['DOMMouseScroll', 'mousewheel'];
+
+$.event.special.mousewheel = {
+	setup: function() {
+		if ( this.addEventListener )
+			for ( var i=types.length; i; )
+				this.addEventListener( types[--i], handler, false );
+		else
+			this.onmousewheel = handler;
+	},
+	
+	teardown: function() {
+		if ( this.removeEventListener )
+			for ( var i=types.length; i; )
+				this.removeEventListener( types[--i], handler, false );
+		else
+			this.onmousewheel = null;
+	}
+};
+
+$.fn.extend({
+	mousewheel: function(fn) {
+		return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel");
+	},
+	
+	unmousewheel: function(fn) {
+		return this.unbind("mousewheel", fn);
+	}
+});
+
+
+function handler(event) {
+	var args = [].slice.call( arguments, 1 ), delta = 0, returnValue = true;
+	
+	event = $.event.fix(event || window.event);
+	event.type = "mousewheel";
+	
+	if ( event.wheelDelta ) delta = event.wheelDelta/120;
+	if ( event.detail     ) delta = -event.detail/3;
+	
+	// Add events and delta to the front of the arguments
+	args.unshift(event, delta);
+
+	return $.event.handle.apply(this, args);
+}
+
+})(jQuery);
+\ No newline at end of file