slider = new Array();
big = new Array();
big["width"] = 80;
big["height"] = 100;
big["height2"] = 120;
small = new Array();
small["width"] = 40;
small["height"] = 50;
small["height2"] = 90;
font = new Array();
font["big"] = 16;
font["small"] = 9;
timer = -1;

function equilibrate() {
	$('#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');
		switch(d) {
			case 0:
				img.animate({opacity: '1',paddingTop: "0px",width: big["width"], height: big["height"]});
				a.animate({   
				            width: big["width"],
				            height: big["height2"],
				            paddingTop: "0px",
				            opacity: '1'
				        },
				            
				            function () { ttl.css({'font-size': font["big"]+'px'}); });
				showtext(a.children('a').attr('id').substr(5));
			break;
			case 1:
			
				ttl.css({'font-size': font["small"]+'px'});
				//if (a.css('display') == 'none') {
				if (slider[i] == 1) {
					slider[i] = 0;
					a.css({display: 'inline', width: '0px', height: '0px'});
					img.css({width: '0px', height: '0px'});
					ttl.css({opacity: '0'});
				}
				img.animate({ 
				        width: small["width"],
				        height: small["height"],
				        paddingTop: "20px",
				        opacity: '0.4'				       },
				  function () { ttl.fadeTo(500, 1); });
				  a.animate({ opacity: '0.4',width: small["width"], height: small["height2"] });
			break;
			default:
			
				if (slider[i] != 1) {
					slider[i] = 1;
					a.hide('fast');
				}
			break;
		}
	});
	directlink();
	rotate();
}
function actual_change(diff) {
	if (actual + diff > 0 && actual + diff < max) {
		actual = actual + diff;
		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);
    var tab_paires = requete.split("&");
    var tab_elts = new Array();
    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="/Images/SOLibImages/Tpixel.gif" alt="" /></a></li>');
    max = $('#slider ul li').size();

    i = (tab_elts["show"]) ? parseInt(tab_elts["show"]) : 0;
    actual = (!isNaN(i) && i > 0 && i < max) ? i : 1;

    $('#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');
        switch (d) {
            case 0:
                ttl.css({ 'font-size': font["big"] + 'px' });
                img.css({ width: big["width"] + 'px', height: big["height"] + 'px' });
                a.css({ height: big["height2"] + 'px' });
                showtext(a.children('a').attr('id').substr(5));
                break;
            case 1:
                img.css({ opacity: '0.4', paddingTop: '20px', width: small["width"] + 'px', height: small["height"] + 'px' });
                a.css({ opacity: '0.4', width: small["width"] + 'px', height: small["height2"] + 'px' });
                break;
            default:
                a.css({ display: 'none', width: '0px', height: '0px' });
                break;
        }
    });
    $('#butleft').click(function () {
        if (actual_change(-1))
            equilibrate();
        timer_stop();
        return false;
    });
    $('#butright').click(function () {
        if (actual_change(+1))
            equilibrate();
        timer_stop();
        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 = a.split("/");
	if (a[a.length - 1] == 'pause.png') {
		$('#playpause').children('img').attr('src', 'images/playred.png'); /* 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('fast');
			$(this).hide();
	});
	$('#texts #text'+id).slideDown('slow');
}