$(document).ready( function () { 
	//Grand slider homepage
	$("#slider1_ong .slider_nav a").click( function() {
		clearInterval(slider_promo_timer);
		if($(this).hasClass('nav_slider1_1')) var this_var = 1;
		if($(this).hasClass('nav_slider1_2')) var this_var = 2;
		slider_promo(this_var);
		return false;
	});
	//Grand slider homepage AUTOMATIQUE
	slider_promo_timer = setInterval('slider_promo_auto();',5000); 
});	

//Grand slider homepage FONCTION
var zindex = 1;
function slider_promo(this_var) {
		if(this_var == 1){	
			$("#slider1_1").css("z-index",zindex);$("#slider1_2").css("z-index",0);
			$("#slider1_2").fadeOut("slow");
			$("#slider1_1").fadeIn("slow");
			$("#slider1_ong .slider_nav .slider_nav_wrap").css('background-position','left top');
		}
		if(this_var == 2){
			$("#slider1_2").css("z-index",zindex);$("#slider1_1").css("z-index",0);
			$("#slider1_1").fadeOut("slow");
			$("#slider1_2").fadeIn("slow");
			$("#slider1_ong .slider_nav .slider_nav_wrap").css('background-position','left bottom');
		}
		zindex++;
}

var slider_promo_step = 2;
function slider_promo_auto() {
	if(slider_promo_step == 1)var this_var = 1;
	if(slider_promo_step == 2)var this_var = 2;
	if(slider_promo_step > 2){
		var this_var = 1;
		slider_promo_step=1;
	}	
	slider_promo(this_var);
	slider_promo_step++;
}