.part_menu{
    height: 25px;
	width: 984px;
	border-bottom: 1px dotted #e6e6e6;
	float:left;
	margin: 0px;
	padding: 0px;
}
ul.menu
{
    list-style:none;
    float: left;
	height: 25px;
	margin: 0px	;
	padding:0;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 13px;
	color: #787782;
	font-weight: bold;
	width: 775px;
}

ul.menu li {
	float: left;
	position: relative;
    width: 153px;
	text-align: left;
	cursor: default;
	background-color: transparent;
	list-style: none;
}
ul.menu li a{
	color: #787782;
	list-style: none;
	text-decoration:none;
}



<!----------------------menu nou --------------------------------------------->

#nav a {
	font-weight: bold;
	color: #787782;
	list-style: none;
	text-decoration: none;
    width: 153px;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 13px;
	font-weight: bold;
	text-decoration:none;
}
#nav a:hover {
	font-weight: bold;
	list-style: none;
	text-decoration: none;
    width: 151px;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 13px;
	color: #006cb4;
	font-weight: bold;
	text-decoration:none;
}
#nav h1 {
	font-weight: bold;
	color: #787782;
	list-style: none;
	text-decoration: none;
    width: 151px;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 13px;
	font-weight: bold;
	text-decoration:none;
}
#nav h1 a:hover {
	font-weight: bold;
	list-style: none;
	text-decoration: none;
    width: 153px;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 13px;
	color: #006cb4;
	font-weight: bold;
	text-decoration:none;
}
#nav li li a {
	display: block;
	font-weight: normal;
	color: #787782;
	padding-left: 10px;
	list-style: none;
    width: 130px;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	margin: 0px;
	height:15px;
	background-color: #FFF;
}

#nav li li a:hover {
	padding-left: 10px;
	border:none;
	color: #ffffff;
    width: 130px;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	margin: 0px;
	height:15px;
	background-color:#94be1e;
}

li ul {
	display: none;
	position: absolute;
	top: 100%;
	left: 0;
    background-color: transparent;
	font-weight: normal;
	padding:0;
	border:none;
}
li>ul {
	/*top: 16px;
	left: -20px;*/
	float:left;
	margin:0px;
	padding-top:2px;
}
li li {
	display: block;
	float: left;
	border: 0;
	margin:0px;
}

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


}
<!---------------- menu idiomes nou --------------------------------------------->
#nav li li.eng{
	display: block;
	font-weight: normal;
	color: #787782;
	list-style: none;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	margin: 0px;
	padding: 0px;
	height: 25px;
    width: 70px;
	background-color:#ffffff;
}

#nav li li.esp a {
	display: block;
	font-weight: normal;
	color: #787782;
	list-style: none;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	margin: 0px;
	padding: 0px;
	height: 25px;
    width: 70px;
	background-image:url(imatges/spana_off.jpg);
	background-position: right top;
	background-repeat:no-repeat;
	background-color:#ffffff;
}

#nav li li.esp a:hover {
	border:none;
	color: #006cb4;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	margin: 0px;
	padding: 0px;
	height: 25px;
    width: 70px;
	background-image:url(imatges/spana.jpg);
	background-position: right top;
	background-repeat:no-repeat;
	background-color:#ffffff;
}
#nav li li.eng{
	display: block;
	font-weight: normal;
	color: #787782;
	list-style: none;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	margin: 0px;
	padding: 0px;
	height: 25px;
    width: 70px;
	background-color:#ffffff;
}

#nav li li.eng a {
	display: block;
	font-weight: normal;
	color: #787782;
	list-style: none;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	margin: 0px;
	padding: 0px;
	height: 25px;
    width: 70px;
	background-image:url(imatges/inglessa_off.jpg);
	background-position: right top;
	background-repeat:no-repeat;
	background-color:#ffffff;
}

#nav li li.eng a:hover {
	border:none;
	color: #006cb4;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	margin: 0px;
	padding: 0px;
	height: 25px;
    width: 70px;
	background-image:url(imatges/inglessa.jpg);
	background-position: right top;
	background-repeat:no-repeat;
	background-color:#ffffff;
}
#nav li.opt_selected h1 {
	color: #006CB4;
}
#nav li ul {
	background-color: #FFF;
	width: 140px;
}
#nav li ul li.opt_selected h1 {
	font-size:10px;
	padding-left:10px;
	width: 130px;
}