.displayNone{
display:none;
}

.displayBlock{
display:block;
}
dl, dt, dd, ul, li {
margin: 0;
padding: 0;
list-style-type: none;
}
#monmenu {
position: absolute;
z-index:100;
width: 800px;
background-color:#000;
height:22px;
line-height:22px;
text-align:left;
}
#monmenu dl {
float: left;
/*width: 110px;*/
margin: 0;
padding:0;
text-align:left;
}
#monmenu dt {
cursor: pointer;
text-align: left;
background: #000;
margin:0;
padding:0;
text-align:left;
}
#monmenu dd {
width:180px;
height:80px;
background-color:#000;
position:absolute;
margin:22px 0 0 0;
_margin:22px 0 0 -100px;
padding:0;
text-align:left;
/*float:left;*/
}
#monmenu ul{
width:180px;
height:80px;
margin:0;
padding:0;
}
#monmenu li {
text-align: left;
width:180px;
height:20px;
margin:0;
padding:0;
}
#monmenu dt a {
color: #fff;
text-decoration: none;
display: block;
height: 22px;
border: 0 none;
float:left;
padding:0 10px;
}
#monmenu ul li a{
color: #fff;
text-decoration: none;
display: block;
height: 20px;
padding:0 0 0 2px;
/*float:left;*/
}

#monmenu li a:hover, #monmenu dt a:hover {
background: #000;
}

#monmenu li a:hover{
background: #666;
}