$(document).ready(
			   function(){
			   
				   $(".over1").hover (
					   function() {
							$(".sub1").css("display","block");
							$("li.over1 a").not('.active').css("background-image","url('../img/butt_active_bg.jpg')");
							$(".sub1 li a").css("background-image","none");
					   },
					   
					   function() {
							$(".sub1").css("display","none");
							$("li.over1 a").not('.active').css("background-image","none");
					   }
				   );
				   
				   $(".over2").hover (
					   function() {
							$(".sub2").css("display","block");
							$("li.over2 a").css("background-image","url('../img/butt_active_bg.jpg')");
							$(".sub2 li a").css("background-image","none");
							
					   },
					   
					   function() {
							$(".sub2").css("display","none");
							$("li.over2 a").not('.active').css("background-image","none");
							
							
					   }
				   );
				   
			   }
		   );