section = 1;

function page_categories_precedente()
{
	refresh_links(-1);
}

function page_categories_suivante()
{
	refresh_links(1);
}

function refresh_links(previous_next)
{
	section = section + previous_next;
	
	var previous_button = document.getElementById("page_categories_suivante");
	var next_button = document.getElementById("page_categories_precedente");

	if(section > 3)
	{
		section = 1;
	}
	
	if(section < 1)
	{
		section = 3;
	}
	
	
	previous_button.href = '#page_categories_' + (section);
	next_button.href = '#page_categories_' + (section);	


}

jQuery(function( $ ){
	/**
	 * Most jQuery.localScroll's settings, actually belong to jQuery.ScrollTo, check it's demo for an example of each option.
	 * @see http://flesler.demos.com/jquery/scrollTo/
	 * You can use EVERY single setting of jQuery.ScrollTo, in the settings hash you send to jQuery.LocalScroll.
	 */
	
	// The default axis is 'y', but in this demo, I want to scroll both
	// You can modify any default like this
	$.localScroll.defaults.axis = 'x';
	
	// Scroll initially if there's a hash (#something) in the url 
	//$.localScroll.hash({
	//	target: '#content', // Could be a selector or a jQuery object too.
	//	queue:true,
	//	duration:delai_fondu_bouton0
	//});
	
	/**
	 * NOTE: I use $.localScroll instead of $('#navigation').localScroll() so I
	 * also affect the >> and << links. I want every link in the page to scroll.
	 */
	$.localScroll({
		target: '#content', // could be a selector or a jQuery object too.
		queue:true,
		duration:1000,
		hash:true,
		onBefore:function( e, anchor, $target ){
			// The 'this' is the settings object, can be modified
		},
		onAfter:function( anchor, settings ){
			// The 'this' contains the scrolled element (#content)
		}
	});
});