jQuery(function( $ ){
	/**
	 * Demo binding and preparation, no need to read this part
	 */
		//borrowed from jQuery easing plugin
		//http://gsgd.co.uk/sandbox/jquery.easing.php
		$.easing.elasout = function(x, t, b, c, d) {
			var s=1.70158;var p=0;var a=c;
			if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
			if (a < Math.abs(c)) { a=c; var s=p/4; }
			else var s = p/(2*Math.PI) * Math.asin (c/a);
			return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
		};
	
	//by default, the scroll is only done vertically ('y'), change it to both.
	$.scrollTo.defaults.axis = 'xy'; 			
	//this one is important, many browsers don't reset scroll on refreshes
	$('div.pane').scrollTo( 0 );//reset all scrollable panes to (0,0)
	$.scrollTo( 0 );//reset the screen to (0,0)
	
	//Target examples bindings
	var $paneTarget = $('#pane-target');			
	var totalItem = document.getElementById("totalNum").value;	
	totalItem = parseInt(totalItem, 10);
	// 
	var thisNum = document.getElementById("defaultNum").value;
	if (thisNum != "" && thisNum != "0") {
		thisNum = parseInt(totalItem, 10) - parseInt(thisNum, 10) < 5 ? (parseInt(totalItem, 10) - 5) + 1 : parseInt(thisNum, 10);
	} else {
		thisNum = 1;
	}
   $(document).ready(function() {  
		$('#pane-target').stop().scrollTo( '#s'+thisNum, 800 );
   });  
	
	
	$('#go_next').click(function(){
		if (thisNum <= totalItem-5) {
			thisNum += 5;
			if (5 > totalItem - thisNum) {
				thisNum = (thisNum - 5) + (totalItem - thisNum) + 1;	
			}
			$paneTarget.stop().scrollTo( '#s'+thisNum, 800 );
		} 
	});
	
	$('#go_prev').click(function(){
		if (thisNum > 1) {
			thisNum -= 5;
			if (thisNum < 1) {
				thisNum = 1;	
			}
			$paneTarget.stop().scrollTo( '#s'+thisNum, 800 );
		}
	});
});