.menu {position: absolute; left: 11px; top: 85px;}
li span {display: block; cursor:hand; padding-left: 5px; padding-top: 3px; height: 80%}
ul#menu form {display: none; margin: 0; padding: 0}
ul#menu a {font-family: Verdana; font-size: 9; color: black; display: block; height: 100%}

ul#menu {font-family: Verdana;position: relative; top: 0px; font-family: Arial, Helvetica, sans-serif; font-size: 9px; position: static; left: 10px; margin: 15px;}
/*efface le contenu*/
ul#menu li ul{ display:none;}
/*affiche le contenu*/
ul#menu li:hover>ul{ display:block;}		
ul#menu, ul#menu ul {list-style:none; margin:0; padding:0; width:130px;/*_width:13em;*/}
ul#menu ul{position:absolute; top:-1px; left:14.3em;}
ul#menu ul ul{left:15.3em;}
ul#menu ul li>ul{left:15.7em;}
ul#menu li{position:relative; margin:0px; padding:0px; _display:inline;}

/*sous niveau du menu*/
ul#menu li li {height: 20px; background: #FAFAFA; border: solid 1px #999999; z-index: 2; width: 140px; margin-bottom: 0px}
ul#menu li {margin-bottom: 2px}
ul#menu #top {background: #FAFAFA; border: solid 1px #999999; height: 20px}
#top_big {background: #FAFAFA; border: solid 1px #999999; height: 40px}
ul#menu a:hover, ul#menu li:hover, ul#menu #top:hover {background-color: #CCCCCC;}
ul#menu a{color: black; display:block; width:100%; text-decoration: none; /*width: 12.7em;*/; margin: 0}

/*premier niveau du menu*/
.parent, .parent_big {background-image: url(../images/arrow.gif); background-position: 13.5em 7px; background-repeat: no-repeat}
ul li li .parent {background-position: 14.8em 7px;}
.parent_big {background-position:  13.5em 15px;}
#border {background: url(../images/border.bmp) #BFD0E4 no-repeat; height: 8px; width: 133px}
#members_area {position: relative; left: -7px; background: url(../images/onglet.jpg); height: 27px; width: 140px}
<img style="position: relative; left: -5px" src="onglet.jpg"></img>