#nav{
	margin: 0 0 0 0;
	padding: 0 0 0 20px;
	width:130px;
	float:left
}
	
ul li {
    /*position: relative;*/
	margin: 0;
	list-style: none;
   }

ul li a {
    display: block;
    text-decoration: none;
    }

li ul {
    /*position: absolute*/
	display: none;
	margin: 0 0 0 0;
   }

li:hover ul, li.over ul { display: block; }

li ul a{ 
	margin: 0 0 0 10px; 
	}
	
   
/* per versioni di IE 6 e precendenti e Mac */
* html ul li { float: left; }
* html ul li a { height: 1%; }
/* End */