var slide_double_active = 1;
var combien_slide;
var interv_slide_double;
$(document).ready(function() {
	combien_slide = $(".slider_double .slide_double_img").size();
	if(combien_slide > 0) {
		slider_double();
	}
});

function slider_double() {	
	var slide_top = slide_double_active;
	var slide_fond = slide_double_active + 1;
	if(slide_fond > combien_slide) {
		slide_fond = 1;
	}
	slide_double_active = slide_fond;
	$(".text_h_accueil").hide();
	$("#slide_top").css({
		marginLeft: 0,
		opacity: 0
	});	
	$("#slide_fond").css({
		marginLeft: 700,
		opacity: 0
	});

	$(".slider_double_pager_span_active").removeClass("slider_double_pager_span_active");	
	$("#pager_sd_"+slide_top).addClass("slider_double_pager_span_active");
	
	$(".titre_page").html($("#slide_double_titre_"+slide_top).html());
	$(".titre_page").fadeIn(400);
	
	$(".text_h_accueil").html($("#slide_double_descr_"+slide_top).html());
	$(".text_h_accueil").fadeIn(400);
	
	$("#slide_top").html($("#slide_double_"+slide_top).html());
	$("#slide_fond").html($("#slide_double_"+slide_fond).html());
	
	
	$("#slide_top").animate({
		marginLeft: 280,
		opacity: 1
	},800);	
	$("#slide_fond").animate({
		marginLeft: 460,
		opacity: 0.7
	},800,function() {
		interv_slide_double = setInterval(slide_double_suivant, 10000);	
	});
	
}

function slide_double_suivant() {
	clearInterval(interv_slide_double);
	$(".titre_page").fadeOut(400);
	$(".text_h_accueil").fadeOut(400);
	$("#slide_top").animate({
		marginLeft: 700,
		opacity: 0
	},800);
	$("#slide_fond").animate({
		marginLeft: 0,
		opacity: 0
	},800,function() {
		slider_double();
	});
}

function slide_double_change(quoi,quel) {
	clearInterval(interv_slide_double);
	if(quoi == "suivant") {
		slide_double_suivant();
	}
	if(quoi == "precedent") {	
		var nv_slide_active = slide_double_active - 2;
		if(nv_slide_active == -2 || nv_slide_active == 0) {
			nv_slide_active = combien_slide;
		}
		if(nv_slide_active == -1) {
			nv_slide_active = 1;
		}
		slide_double_active = nv_slide_active;
		slide_double_suivant();
	}
	if(quoi == "precis") {
		slide_double_active = quel;
		slide_double_suivant();		
	}
}