.mtDropdownMenu {
	MARGIN-TOP:8px; 
	LEFT:0px; 
	OVERFLOW: hidden; 
	POSITION: absolute; 
	TOP: -1000px
}
.mtDropdownMenu .content {
	POSITION: absolute;
}
.mtDropdownMenu .items {
	BORDER-RIGHT:#333 1px solid; 
	BORDER-TOP:#333 1px solid;
	BORDER-LEFT:#333 1px solid; 
	BORDER-right:#333 3px solid;
	BORDER-BOTTOM:#333 2px solid;
	 Z-INDEX: 2; 
	POSITION: relative;
	color:#fff;
	TOP: 0px;
	LEFT:-64px; /*下拉菜单定位*/
}
.mtDropdownMenu .item {
	/*控制整个下拉菜单的样子*/
	FONT-SIZE: 12px; 
	TEXT-DECORATION: none;
	CURSOR: hand; 
}
.mtDropdownMenu .background {
	Z-INDEX: 1; 
	FILTER: alpha(opacity=85); 
	color:#00ff00;
	POSITION: absolute; 
	TOP: 0px; 
	LEFT: -64px; /*下拉菜单边框定位*/
	/*moz-opacity:.8px;*/
	width:122px;
	background:url(../images/downmenua.jpg) bottom ; 
}
.mtDropdownMenu .shadowRight {
	Z-INDEX: 3; 
	FILTER: alpha(opacity=50); 
	WIDTH: 2px; 
	POSITION: absolute; 
	/*TOP:3px; */
	moz-opacity: .4;
}
.mtDropdownMenu .shadowBottom {
	Z-INDEX: 1; 
	FILTER: alpha(opacity=50); 
	LEFT: 3px;
    POSITION: absolute;
	HEIGHT: 2px; 
	/*moz-opacity: .4*/
}
.mtDropdownMenu .hover {
	COLOR:#000;
	background: #000 url(../images/downmenub.jpg) repeat-x;
	width:122px;
    height:23px;
}