/* 
	diaporama page d'accueil 

*/


function show_slide(pos) {
	// marge à gauche
	$('ul#diapo_nav li').children().css('margin-left','0px');
	$('ul#diapo_nav li').eq(pos).children().css('margin-left','20px');
	// classe current
	$('ul#diapo_nav li').removeClass('current');
	$('ul#diapo_nav li').eq(pos).addClass('current');
	// fade
	$('ul#diaporama li').fadeOut('fast');
	$('ul#diaporama li').eq(pos).fadeIn('fast');
}


// slideshow
function init() {
	initTimeout(0);
}

function initTimeout(current,click) {
	var timing = null;
	if (click)
		timing = 10000;
	else  
		timing = 4000;
	t = setTimeout('diaporama('+current+')', timing);
}

function diaporama(current) {
	var nb_diapos = $('ul#diaporama li').size() - 1;	
	if (current == nb_diapos)
	{
		current = 0;
	}
	else {
		current = current + 1;
	}
	show_slide(current);
	initTimeout(current);
}

$(document).ready(function() {
	$('ul#diaporama li:first').show();
	$('ul#diapo_nav li:first').children().css('margin-left','20px');
	$('ul#diapo_nav li:first').addClass('current');

	// click nav
	$('ul#diapo_nav li').click(function(){
		clearTimeout(t);
		var pos = $('ul#diapo_nav li.slide').index($(this));
		show_slide(pos);
		//initTimeout(pos,1);
	});

	init();
});