slider = new Array();
big = new Array();
big["width"] = 237;
big["height"] = 237;
big["height2"] = big["height"] + 0;
small = new Array();
small["width"] = 145;
small["height"] = 145;
small["height2"] = small["height"] + 0;

extraSmall = new Array();
extraSmall["width"] = 80;
extraSmall["height"] = 80;
extraSmall["height2"] = small["height"] + 0;

font = new Array();
font["big"] = 16;
font["small"] = 12;

//smallMargin = new Array();
//smallMargin["top"] = 10;

//bigMargin = new Array();
//bigMargin["top"] = 20;

timer = -1;

function equilibrate() {

	$('#slider ul li').each(function(i) {
		//alert(i);
		//alert(Math.abs(actual));
		d = Math.abs(actual - i);
		//alert(actual - i);
		var a = $(this);
		//alert(d);
		var img = a.children('a').children('img');
		//alert(img);
		var ttl = a.children('.imtitle');
		//alert(actual);
		//alert(d);
		switch(d) {
			case 0:
				//alert('0');
				
				a.animate({width: big["width"], height: big["height2"]}, function () { ttl.css({'font-size': font["big"]+'%'}); });
				//showtext(a.attr('id').substr(5));
				//img.css({'margin-top': '0px'});
				img.animate({width: big["width"], height: big["height"] });
				
			break;
			case 2:
				//alert('2');
				//ttl.css({'font-size': font["small"]+'px'});
				//img.css({'margin-top': bigMargin["top"]+'px'});
				//if (a.css('display') == 'none') {
				if (slider[i] == 1)
				{
					//alert(slider[i]);
					slider[i] = 0;
					a.css({display: 'inline', width: '0px', height: '0px'});
					
					//img.css({'margin-top': '0px'});
					ttl.css({opacity: '0'});
					img.css({width: '0px', height: '0px'});
				}
				
				a.animate({width: extraSmall["width"], height: extraSmall["height2"]});
				img.animate({width: extraSmall["width"], height: extraSmall["height"]}, function () { ttl.fadeTo(500, 1); });
				
				//img.css({'margin-top': smallMargin["top"]+'px'});
			break;
			case 1:
				//alert('1');
				//ttl.css({'font-size': font["small"]+'px'});
				//if (a.css('display') == 'none') {
				if (slider[i] == 1)
				{
					//alert(slider[i]);
					slider[i] = 0;
					a.css({display: 'inline', width: '0px', height: '0px'});
					img.css({width: '0px', height: '0px'});
					//img.css({'margin-top': '0px'});
					ttl.css({opacity: '0'});
				}
				
				a.animate({width: small["width"], height: small["height2"]});
				img.animate({width: small["width"], height: small["height"]}, function () { ttl.fadeTo(500, 1); });
				//img.css({'margin-top': smallMargin["top"]+'px'});
				
			break;
			case 3:
				//alert('3');
				if (slider[i] == 1) {
					slider[i] = 1;
					a.hide('fast');
				}
				a.css({display: 'none', width: '0px', height: '0px'});
			break;
			default:
				//alert('DEFAULT');
				if (slider[i] != 1) {
					slider[i] = 1;
					a.hide('fast');
				}
				a.css({display: 'none', width: '0px', height: '0px'});
				//img.animate({width: small["width"], height: small["height"]}, function () { ttl.fadeTo(500, 1); });
				//a.animate({width: small["width"], height: small["height2"]});
			break;
		}
	});
	directlink();
	//rotate();
}
function actual_change(diff) {
	if (actual + diff > 0 && actual + diff < max) {
		actual = actual + diff;
		//alert(actual);
		return true;
	}
	return false;
};
function directlink() {
	$('#directlink').attr('href', location.href.replace(location.search, '') + '?show=' + actual);
}
$(document).ready(function(){
	var requete = location.search.substring(1);
	//alert(requete);
	var tab_paires = requete.split("&");
	var tab_elts = new Array();
	//alert(tab_paires.length);
	for (var i = 0; i < tab_paires.length; i++) {
		temp = tab_paires[i].split("=");
		tab_elts[temp[0]] = unescape(temp[1]);
	}

	//$('#slider ul').css('overflow', 'hidden');
	
	$('#slider ul').prepend('<li><a><img src="common/images/vide.png" alt="" /></a></li>');
	//$('#slider ul').append('<li><a><img src="common/images/vide.png" alt="" /></a></li>');
	max = $('#slider ul li').size();
	//alert(max);
	i = (tab_elts["show"]) ? parseInt(tab_elts["show"]) : 3;
	//alert(i);
	actual = (!isNaN(i) && i > 0 && i < max) ? i : 2;
	//alert(actual);

	$('#slider ul li .text').appendTo("#texts");
	$('#slider ul li').each( function(i) {
		d = Math.abs(actual - i);
		var a = $(this);
		var img = a.children('a').children('img');
		var ttl = a.children('.imtitle');
		//alert(d);
		switch(d) {
			case 0:
				
				a.css({width: big["width"]+'px', height: big["height2"]+'px'});
				//img.css({'margin-top': '0px'});
				//showtext(a.attr('id').substr(5));
				img.css({width: big["width"]+'px', height: big["height"]+'px'});
			break;
			case 2:
				
				a.css({width: extraSmall["width"]+'px', height: extraSmall["height2"]+'px'});
				//showtext(a.attr('id').substr(5));
				//img.css({'margin-top': '0px'});
				img.css({width: extraSmall["width"]+'px', height: extraSmall["height"]+'px'});
			break;
			case 1:
				a.css({width: small["width"]+'px', height: small["height2"]+'px'});
				//img.css({'margin-top': smallMargin["top"]+'px'});
				img.css({width: small["width"]+'px', height: small["height"]+'px'});
			break;
			case 3:
				a.css({display: 'none', width: '0px', height: '0px'});
			break;
			
			default:
				a.css({display: 'none', width: '0px', height: '0px'});
			break;
		}
	});
	$('#butleft').click( function () {
	//alert('ok');
		if (actual_change(-1))
		timer_stop();
		equilibrate();
		return false;
	});
	$('#butright').click( function () {
		//alert('ok');
		if (actual_change(+1))
		timer_stop();
		equilibrate();		
		return false;
	});
	$('#playpause').click( function () {
		var a = $('#playpause').children('img').attr('src');
		var a = a.split("/");
		if (a[a.length - 1] == 'pause.png') {
			timer_stop();
		}
		else {
			next();
			timer = window.setInterval("next()", 2200);
			$('#playpause').children('img').attr('src', 'images/pause.png');
		}
		return false;
	});
	$('#slider ul li a').click( function () {
		timer_stop();
	});
/*
	$('#slider').mousewheel(function(objEvent, intDelta){
		if (intDelta > 0) {
			if (actual_change(-1))
				equilibrate();
		}
		else if (intDelta < 0) {
			if (actual_change(+1))
				equilibrate();
		}
		return false;
	});
*/
	//timer = window.setInterval("next()", 3000);
});
function timer_stop() {
	//var a = $('#playpause').children('img').attr('src');
	var a = $('#playpause');
	//var a = a.split("/");
	if (a[a.length - 1] == 'pause.png') {
		$('#playpause'); /* ou play.png */
		window.clearInterval(timer);
	}
}
function next() {
	if (actual_change(+1))
		equilibrate();
}
/*function rotate() {
	//alert(max + ' ' + actual + ' ' + (max - actual));

	if (actual < (max / 2)) {
		var a = $('#slider ul li').eq(max-1).remove();
		$('#slider ul').prepend(a);
		actual = actual + 1;
	}


	if (diff < 0) {
		var a = $('#slider ul li:last').remove();
		$('#slider ul').prepend(a);
	}
	else {
		var a = $('#slider ul li:first').remove();
		$('#slider ul').append(a);
	}

}*/

function showtext(id) {
	$('#texts .text').each( function (i) {
		if ($(this).css('display') != 'none')
			//$(this).fadeOut('slow');
			//alert(id);
			$(this).hide();
	});
	$('#texts #text'+id).slideDown('slow');
}