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+/**
+ * LavaLamp - A menu plugin for jQuery with cool hover effects.
+ * @requires jQuery v1.1.3.1 or above
+ *
+ * http://gmarwaha.com/blog/?p=7
+ *
+ * Copyright (c) 2007 Ganeshji Marwaha (gmarwaha.com)
+ * Dual licensed under the MIT and GPL licenses:
+ * http://www.opensource.org/licenses/mit-license.php
+ * http://www.gnu.org/licenses/gpl.html
+ *
+ * Version: 0.2.0
+ * Requires Jquery 1.2.1 from version 0.2.0 onwards. 
+ * For jquery 1.1.x, use version 0.1.0 of lavalamp
+ */
+
+/**
+ * Creates a menu with an unordered list of menu-items. You can either use the CSS that comes with the plugin, or write your own styles 
+ * to create a personalized effect
+ *
+ * The HTML markup used to build the menu can be as simple as...
+ *
+ *       <ul class="lavaLamp">
+ *           <li><a href="#">Home</a></li>
+ *           <li><a href="#">Plant a tree</a></li>
+ *           <li><a href="#">Travel</a></li>
+ *           <li><a href="#">Ride an elephant</a></li>
+ *       </ul>
+ *
+ * Once you have included the style sheet that comes with the plugin, you will have to include 
+ * a reference to jquery library, easing plugin(optional) and the LavaLamp(this) plugin.
+ *
+ * Use the following snippet to initialize the menu.
+ *   $(function() { $(".lavaLamp").lavaLamp({ fx: "backout", speed: 700}) });
+ *
+ * Thats it. Now you should have a working lavalamp menu. 
+ *
+ * @param an options object - You can specify all the options shown below as an options object param.
+ *
+ * @option fx - default is "linear"
+ * @example
+ * $(".lavaLamp").lavaLamp({ fx: "backout" });
+ * @desc Creates a menu with "backout" easing effect. You need to include the easing plugin for this to work.
+ *
+ * @option speed - default is 500 ms
+ * @example
+ * $(".lavaLamp").lavaLamp({ speed: 500 });
+ * @desc Creates a menu with an animation speed of 500 ms.
+ *
+ * @option click - no defaults
+ * @example
+ * $(".lavaLamp").lavaLamp({ click: function(event, menuItem) { return false; } });
+ * @desc You can supply a callback to be executed when the menu item is clicked. 
+ * The event object and the menu-item that was clicked will be passed in as arguments.
+ */
+(function($) {
+$.fn.lavaLamp = function(o) {
+    o = $.extend({ fx: "linear", speed: 500, click: function(){} }, o || {});
+
+    return this.each(function() {
+        var me = $(this), noop = function(){},
+            $back = $('<li class="back"><div class="left"></div></li>').appendTo(me),
+            $li = $("li", this), curr = $("li.current", this)[0] || $($li[0]).addClass("current")[0];
+
+        $li.not(".back").hover(function() {
+            move(this);
+        }, noop);
+
+        $(this).hover(noop, function() {
+            move(curr);
+        });
+
+        $li.click(function(e) {
+            setCurr(this);
+            return o.click.apply(this, [e, this]);
+        });
+
+        setCurr(curr);
+
+        function setCurr(el) {
+            $back.css({ "left": el.offsetLeft+"px", "width": el.offsetWidth+"px" });
+            curr = el;
+        };
+
+        function move(el) {
+            $back.each(function() {
+                $(this).dequeue(); }
+            ).animate({
+                width: el.offsetWidth,
+                left: el.offsetLeft
+            }, o.speed, o.fx);
+        };
+
+    });
+};
+})(jQuery);