Submenu disappearing upon hover

#menubar {
    background: #transparent;
    width: 1200px;
    color: #FFF;
        margin: 0px;
        padding: 0;
        position: relative;
        border-top:1px solid #transparent;
        height:35px;
}
 
#menus {
    margin: 0;
    padding: 0;
}
 
#menus ul {
    float: left;
    list-style: none;
    margin: 0;
    padding: 0;
}
 
#menus li {
    list-style: none;
    margin: 0;
    padding: 0;
        border-left:0px solid #000000;
        border-right:2px solid #000000;
        height:35px;
}
#menus li a, #menus li a:link, #menus li a:visited {
    color: #000;
    display: block;
   font:normal 18px Georgia, Arial, Tahoma, Helvetica, FreeSans, sans-serif;    margin: 0;
    padding: 9px 12px 10px 12px;
        text-decoration: none;
}
 
#menus li a:hover, #menus li a:active {
    background: #130000; /* Menu hover */
    color: #FFF;
    display: block;
    text-decoration: none;
        margin: 0;
    padding: 9px 12px 10px 12px;      
}
 
#menus li {
    float: left;
    padding: 0;
}
 
#menus li ul {
    z-index: 9999;
    position: absolute;
    left: -999em;
    height: auto;
    width: 160px;
    margin: 0;
    padding: 0;
}
 
#menus li ul a {
    width: 140px;
}
 
#menus li ul ul {
    margin: -25px 0 0 160px;
}
 
#menus li:hover ul ul, #menus li:hover ul ul ul, #menus li.sfhover ul ul, #menus li.sfhover ul ul ul {
    left: -999em;
}
 
#menus li:hover ul, #menus li li:hover ul, #menus li li li:hover ul, #menus li.sfhover ul, #menus li li.sfhover ul, #menus li li li.sfhover ul {
    left: auto;
}
 
#menus li:hover, #menus li.sfhover {
    position: static;
}
 
#menus li li a, #menus li li a:link, #menus li li a:visited {
    background: #ffffff; /* drop down background color */
    width: 120px;
    color: #000;
    display: block;
    font:normal 12px Arial, Tahoma, Helvetica, FreeSans, sans-serif;
    margin: 0;
    padding: 9px 12px 10px 12px;
        text-decoration: none;
z-index:9999;
border-bottom:0px solid #transparent;
}
 
#menus li li a:hover, #menusli li a:active {
    background: #130000; /* Drop down hover */
    color: #FFF;
    display: block;     margin: 0;
    padding: 9px 12px 10px 12px;
        text-decoration: none;
}