// JavaScript Document






if (window.location.hash) { 
trigger({ id : window.location.hash.substr(1)});
} else { 
$('#slider_a .slider_navigation a:first').click();
}




// when the DOM is ready...
$(document).ready(function () {
var $panels = $('#slider_a .scrollContainer > div');
var $container = $('#slider_a .scrollContainer');
// if false, we'll float all the panels left and fix the width 
// of the container
var horizontal = true;


// float the panels left if we're going horizontal
if (horizontal) { 
	$panels.css({
				
				 'float' : 'left',
				 'position' : 'relative' // IE fix to ensure overflow is hidden
				 
				});
	
	 // calculate a new width for the container (so it holds all panels)  
	 $container.css('width', $panels[0].offsetWidth * $panels.length);
	 }
	 
	 
	 // collect the scroll object, at the same time apply the hidden overflow
	 // to remove the default scrollbars that will appear
	 
	 var $scroll = $('#slider_a .scroll').css('overflow', 'hidden');
	 
	 // apply our left + right buttons
	 
	 
	 
	 /*
	 $scroll
	 	.before('<img class="scrollButtons left" src="../images/arrow_green.png" />') 
		.after('<img class="scrollButtons right" src="../images/arrow_green.png" />');
	*/
	
	
	
		// handle nav selection
		function selectNav() {
			$(this)
			.parents('ul:first')
			.find('a')
					.removeClass('selected')
			 	.end()    
			 .end()    
			 .addClass('selected');
		}
		
		$('#slider_a .slider_navigation').find('a').click(selectNav);

// go find the navigation link that has this target and select the nav
function trigger(data) {
	
	var el = $('#slider_a .slider_navigation').find('a[href$="' + data.id + '"]').get(0); 
	selectNav.call(el);
}

if (window.location.hash) {
	trigger({ id : window.location.hash.substr(1) });
	
} else {
	$('ul.slider_navigation a:first').click();
}


// offset is used to move to *exactly* the right place, since I'm using
// padding on my example, I need to subtract the amount of padding to
// the offset.  Try removing this to get a good idea of the effect

var offset = parseInt((horizontal ? 
					   $container.css('paddingTop') :
					   $container.css('paddingLeft')) 
					  || 0) * -1;
var scrollOptions = {
	
	target: $scroll,
	// the element that has the overflow
// can be a selector which will be relative to the target
items: $panels,
navigation: '.slider_navigation a',

// selectors are NOT relative to document, i.e. make sure they're unique 

prev: 'img.left', 
next: 'img.right',
// allow the scroll effect to run both directions 

axis: 'xy',

onAfter: trigger, 
// our final callback  
offset: offset,

// duration of the sliding effect  
duration: 800,  

// easing - can be used with the easing plugin: 
// http://gsgd.co.uk/sandbox/jquery/easing/  
easing: 'swing'

};

// apply serialScroll to the slider - we chose this plugin because it
// supports// the indexed next and previous scroll along with hooking 
// in to our navigation.
$('#slider_a').serialScroll(scrollOptions);

// now apply localScroll to hook any other arbitrary links to trigger
// the effect
$.localScroll(scrollOptions);

// finally, if the URL has a hash, move the slider in to position, 
// setting the duration to 1 because I don't want it to scroll in the
// very first page load.  We don't always need this, but it ensures
// the positioning is absolutely spot on when the pages loads.
scrollOptions.duration = 1;
$.localScroll.hash(scrollOptions);
});
