$(document).ready(function() { 
	//Hide all img
	$("#photo_gal div").hide();
	// Var
	comp = 0;
	vign_courant = 0;
	nbr_vign = 3;
	vignwidth = 220;
	number = $("#photo_gal li").size();
	gal_width = vignwidth*number;
	$("#photo_gal ul").css({ width: gal_width});
	// Carrousel Effect
	$("#prev").click(function() { 
		if(comp != 0){
			comp++;
			vign_courant--;
			$("#photo_gal ul").animate({ 
				marginLeft: (vignwidth * comp)
			}); 
		}
    }); 
	$("#next").click(function() { 
		if(vign_courant < number-nbr_vign){
			comp--;
			vign_courant++;
			$("#photo_gal ul").animate({ 
			marginLeft: (vignwidth * comp)
			}); 
		}
	}); 	
	
	// Start Show img
	$("#photo_gal img").click(function() { 
		$("#photo_gal div").hide();
		$(this).next("div").fadeIn();
	}); 
	
});