/**
 * jQuery.ScrollTo - Easy element scrolling using jQuery.
 * Copyright (c) 2007-2009 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
 * Dual licensed under MIT and GPL.
 * Date: 5/25/2009
 * @author Ariel Flesler
 * @version 1.4.2
 *
 * http://flesler.blogspot.com/2007/10/jqueryscrollto.html
 */
;(function(d){var k=d.scrollTo=function(a,i,e){d(window).scrollTo(a,i,e)};k.defaults={axis:'xy',duration:parseFloat(d.fn.jquery)>=1.3?0:1};k.window=function(a){return d(window)._scrollable()};d.fn._scrollable=function(){return this.map(function(){var a=this,i=!a.nodeName||d.inArray(a.nodeName.toLowerCase(),['iframe','#document','html','body'])!=-1;if(!i)return a;var e=(a.contentWindow||a).document||a.ownerDocument||a;return d.browser.safari||e.compatMode=='BackCompat'?e.body:e.documentElement})};d.fn.scrollTo=function(n,j,b){if(typeof j=='object'){b=j;j=0}if(typeof b=='function')b={onAfter:b};if(n=='max')n=9e9;b=d.extend({},k.defaults,b);j=j||b.speed||b.duration;b.queue=b.queue&&b.axis.length>1;if(b.queue)j/=2;b.offset=p(b.offset);b.over=p(b.over);return this._scrollable().each(function(){var q=this,r=d(q),f=n,s,g={},u=r.is('html,body');switch(typeof f){case'number':case'string':if(/^([+-]=)?\d+(\.\d+)?(px|%)?$/.test(f)){f=p(f);break}f=d(f,this);case'object':if(f.is||f.style)s=(f=d(f)).offset()}d.each(b.axis.split(''),function(a,i){var e=i=='x'?'Left':'Top',h=e.toLowerCase(),c='scroll'+e,l=q[c],m=k.max(q,i);if(s){g[c]=s[h]+(u?0:l-r.offset()[h]);if(b.margin){g[c]-=parseInt(f.css('margin'+e))||0;g[c]-=parseInt(f.css('border'+e+'Width'))||0}g[c]+=b.offset[h]||0;if(b.over[h])g[c]+=f[i=='x'?'width':'height']()*b.over[h]}else{var o=f[h];g[c]=o.slice&&o.slice(-1)=='%'?parseFloat(o)/100*m:o}if(/^\d+$/.test(g[c]))g[c]=g[c]<=0?0:Math.min(g[c],m);if(!a&&b.queue){if(l!=g[c])t(b.onAfterFirst);delete g[c]}});t(b.onAfter);function t(a){r.animate(g,j,b.easing,a&&function(){a.call(this,n,b)})}}).end()};k.max=function(a,i){var e=i=='x'?'Width':'Height',h='scroll'+e;if(!d(a).is('html,body'))return a[h]-d(a)[e.toLowerCase()]();var c='client'+e,l=a.ownerDocument.documentElement,m=a.ownerDocument.body;return Math.max(l[h],m[h])-Math.min(l[c],m[c])};function p(a){return typeof a=='object'?a:{top:a,left:a}}})(jQuery);


/**
*
* Here starts the myScroller-plug. Depending on jQuery and scrollTo.
*
**/
$(document).ready(function(){
	myScroller.init();
});

var myScroller = {
	init: function()
	{
		myScroller.enableHistory();
		myScroller.setHistory( '' );
		var page	= myScroller.getCurrentPage();
		if ( page != '' )
		{
			myScroller.takeMeThere( page );
		}
		myScroller.counter = 0;
		myScroller.historyInterval = setInterval( 'myScroller.checkHistory()',500 );
	},

	getCurrentPage: function()
	{
		var page	= location.hash;
		page		= page.replace('#','');
		return page;
	},

	setCurrentPage: function( page )
	{
		location.hash = page;
	},

	takeMeThere: function( page, speed )
	{
		if ( !speed )
			speed = 800;
		var part		= $("#"+page);
		if ( part.length > 0 )
		{
			var newYPos		= part.offset().top;
			var currentYPos	= $(window).scrollTop();
			var diff		= 0;
			var speed		= 0;
			if ( currentYPos < newYPos)
			{
				diff = (newYPos - currentYPos);
			}
			else
			{
				diff = (currentYPos - newYPos);
			}
			speed	= Math.floor((diff / 2));
			speed	= (speed < 800)? 800: speed;
			$.scrollTo( part ,speed);
		}
	},

	quickScroll: function( page )
	{
		var part		= $(page);
		var newYPos		= part.offset().top;
		var currentYPos	= $(window).scrollTop();
		var diff		= 0;
		var speed		= 0;
		if ( currentYPos < newYPos)
		{
			diff = (newYPos - currentYPos);
		}
		else
		{
			diff = (currentYPos - newYPos);
		}
		speed	= Math.floor((diff / 2));
		speed	= (speed < 800)? 800: speed;
		$.scrollTo( part ,speed);
	},


	setHistory: function( page )
	{
		myScroller.lastPage = page;
	},

	checkHistory: function()
	{
		if ( myScroller.historyEnabled )
		{
			var current	= myScroller.getCurrentPage();
			if ( current == '' && myScroller.lastPage != '' )
				current = '';
			if ( current != '' && myScroller.lastPage != current ) {
				myScroller.takeMeThere( current );
			}
		}
	},

	disableHistory: function()
	{
		myScroller.historyEnabled = false;
	},

	enableHistory: function()
	{
		myScroller.historyEnabled = true;
	}
}