$(document).ready(function(){
   
   $(".sub_menu li").mouseover(function(){
   	
   		$(this).css("background-color","#80abd6");

   	
 	});
 	
 	$(".sub_menu li").mouseout(function(){
   	
   		$(this).css("background-image","url(images/fond_menu_75.png)");
   		$(this).css("background-repeat","repeat");
   		$(this).css("background-color","transparent");
   	
 	});
 	
 	
 	$("#abonner").click(function(){
   		if($("#email").attr("value") == '') {
   			alert("Veuillez remplir le champs email.");
   		}   	
 	});

	$("#button_d").click(function(){
   		if($("#emaildesin").attr("value") == '') {
   			alert("Veuillez remplir le champs email.");
		}
   		
 	});	

   
 });