/**
 * jQuery.ScrollTo - Easy element scrolling using jQuery.
 * Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 * Date: 2/19/2008
 * @author Ariel Flesler
 * @version 1.3.3
 */
;(function($){var o=$.scrollTo=function(a,b,c){o.window().scrollTo(a,b,c)};o.defaults={axis:'y',duration:1};o.window=function(){return $($.browser.safari?'body':'html')};$.fn.scrollTo=function(l,m,n){if(typeof m=='object'){n=m;m=0}n=$.extend({},o.defaults,n);m=m||n.speed||n.duration;n.queue=n.queue&&n.axis.length>1;if(n.queue)m/=2;n.offset=j(n.offset);n.over=j(n.over);return this.each(function(){var a=this,b=$(a),t=l,c,d={},w=b.is('html,body');switch(typeof t){case'number':case'string':if(/^([+-]=)?\d+(px)?$/.test(t)){t=j(t);break}t=$(t,this);case'object':if(t.is||t.style)c=(t=$(t)).offset()}$.each(n.axis.split(''),function(i,f){var P=f=='x'?'Left':'Top',p=P.toLowerCase(),k='scroll'+P,e=a[k],D=f=='x'?'Width':'Height';if(c){d[k]=c[p]+(w?0:e-b.offset()[p]);if(n.margin){d[k]-=parseInt(t.css('margin'+P))||0;d[k]-=parseInt(t.css('border'+P+'Width'))||0}d[k]+=n.offset[p]||0;if(n.over[p])d[k]+=t[D.toLowerCase()]()*n.over[p]}else d[k]=t[p];if(/^\d+$/.test(d[k]))d[k]=d[k]<=0?0:Math.min(d[k],h(D));if(!i&&n.queue){if(e!=d[k])g(n.onAfterFirst);delete d[k]}});g(n.onAfter);function g(a){b.animate(d,m,n.easing,a&&function(){a.call(this,l)})};function h(D){var b=w?$.browser.opera?document.body:document.documentElement:a;return b['scroll'+D]-b['client'+D]}})};function j(a){return typeof a=='object'?a:{top:a,left:a}}})(jQuery);

/**
 * jQuery.LocalScroll
 * Copyright (c) 2007-2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
 * Dual licensed under MIT and GPL.
 * Date: 6/3/2008
 *
 * @projectDescription Animated scrolling navigation, using anchors.
 * http://flesler.blogspot.com/2007/10/jquerylocalscroll-10.html
 * @author Ariel Flesler
 * @version 1.2.6
 *
 * @id jQuery.fn.localScroll
 * @param {Object} settings Hash of settings, it is passed in to jQuery.ScrollTo, none is required.
 * @return {jQuery} Returns the same jQuery object, for chaining.
 *
 * @example $('ul.links').localScroll();
 *
 * @example $('ul.links').localScroll({ filter:'.animated', duration:400, axis:'x' });
 *
 * @example $.localScroll({ target:'#pane', axis:'xy', queue:true, event:'mouseover' });
 *
 * Notes:
 *	- The plugin requires jQuery.ScrollTo.
 *	- The hash of settings, is passed to jQuery.ScrollTo, so the settings are valid for that plugin as well.
 *	- jQuery.localScroll can be used if the desired links, are all over the document, it accepts the same settings.
 *  - If the setting 'lazy' is set to true, then the binding will still work for later added anchors.
 *  - The setting 'speed' is deprecated, use 'duration' instead.
 *	- If onBefore returns false, the event is ignored.
 **/
;(function( $ ){
	var URI = location.href.replace(/#.*/,'');//local url without hash

	var $localScroll = $.localScroll = function( settings ){
		$('body').localScroll( settings );
	};

	//Many of these defaults, belong to jQuery.ScrollTo, check it's demo for an example of each option.
	//@see http://www.freewebs.com/flesler/jQuery.ScrollTo/
	$localScroll.defaults = {//the defaults are public and can be overriden.
		duration:1000, //how long to animate.
		axis:'y',//which of top and left should be modified.
		event:'click',//on which event to react.
		stop:true//avoid queuing animations 
		/*
		lock:false,//ignore events if already animating
		lazy:false,//if true, links can be added later, and will still work.
		target:null, //what to scroll (selector or element). Keep it null if want to scroll the whole window.
		filter:null, //filter some anchors out of the matched elements.
		hash: false//if true, the hash of the selected link, will appear on the address bar.
		*/
	};

	//if the URL contains a hash, it will scroll to the pointed element
	$localScroll.hash = function( settings ){
		settings = $.extend( {}, $localScroll.defaults, settings );
		settings.hash = false;//can't be true
		if( location.hash )
			setTimeout(function(){ scroll( 0, location, settings ); }, 0 );//better wrapped with a setTimeout
	};

	$.fn.localScroll = function( settings ){
		settings = $.extend( {}, $localScroll.defaults, settings );

		return ( settings.persistent || settings.lazy ) 
				? this.bind( settings.event, function( e ){//use event delegation, more links can be added later.
					var a = $([e.target, e.target.parentNode]).filter(filter)[0];//if a valid link was clicked.
					a && scroll( e, a, settings );//do scroll.
				})
				: this.find('a,area')//bind concretely, to each matching link
						.filter( filter ).bind( settings.event, function(e){
							scroll( e, this, settings );
						}).end()
					.end();

		function filter(){//is this a link that points to an anchor and passes a possible filter ? href is checked to avoid a bug in FF.
			return !!this.href && !!this.hash && this.href.replace(this.hash,'') == URI && (!settings.filter || $(this).is( settings.filter ));
		};
	};

	function scroll( e, link, settings ){
		var id = link.hash.slice(1),
			elem = document.getElementById(id) || document.getElementsByName(id)[0];
		if ( elem ){
			e && e.preventDefault();
			var $target = $( settings.target || $.scrollTo.window() );//if none specified, then the window.

			if( settings.lock && $target.is(':animated') ||
			settings.onBefore && settings.onBefore.call(link, e, elem, $target) === false ) return;

			if( settings.stop )
				$target.queue('fx',[]).stop();//remove all its animations
			$target
				.scrollTo( elem, settings )//do scroll
				.trigger('notify.serialScroll',[elem]);//notify serialScroll about this change
			if( settings.hash )
				$target.queue(function(){
					location = link.hash;
					// make sure this function is released
					$(this).dequeue();
				});
		}
	};

})( jQuery );