/* this is the clipping region for the menu. it's width and height get set by script, depending on the size of the items table */
.transMenu {
	position: absolute;
	overflow: hidden;
	left: -1000px;
	top: -1000px;
	margin-top: 1px;
}
/* this is the main container for the menu itself. it's width and height get set by script, depending on the size of the items table */
.transMenu .content {
	position: absolute;
}
/* this table comprises all menu items. each TR is one item. It is relatively positioned so that the shadow and background transparent divs can be positioned underneath it */
.transMenu .items {
	position: relative;
	left: 0px;
	top: 0px;
	z-index: 2;
}
.transMenu.top .items {
	border-top: none;
}
/* each TR.item is one menu item */
.transMenu .item {
	color: #336;
	font-size: 12px;
	font-family: sans-serif;
	text-decoration: none;
	/* this is a hack for mac/ie5, whom incorrectly cascades the border properties of the parent table to each row */
	border: none;
	cursor: pointer;
	cursor: hand;
}
/* this DIV is the semi-transparent white background of each menu. the -moz-opacity is a proprietary way to get transparency in mozilla, the filter is for IE/windows 5.0+. */
/* we set the background color in script because ie mac does not use it; that browser only uses a semi-transparent white PNG that the spacer gif inside this DIV is replaced by */
.transMenu .background {
	position: absolute;
	left: 0px;
	top: 0px;
	z-index: 1;
	-moz-opacity: .8;
	filter: alpha(opacity=100);
	/*上下边框的颜色*/	
	border-bottom: #e3e3d7 2px solid;
	border-top: #e3e3d7 2px solid;
}
/* same concept as .background, but this is the sliver of shadow on the right of the menu. It's left, height, and background are set by script. In IE5/mac, it uses a PNG */
.transMenu .shadowRight {
	position: absolute;
	z-index: 3;
	top: 3px;
	width: 2px;
	-moz-opacity: .4;
	filter: alpha(opacity=40);
}
/* same concept as .background, but this is the sliver of shadow on the bottom of the menu. It's top, width, and background are set by script. In IE5/mac, it uses a PNG */
.transMenu .shadowBottom {
	position: absolute;
	z-index: 1;
	left: 3px;
	height: 2px;
	-moz-opacity: .4;
	filter: alpha(opacity=40);
}
/* this is the class that is used when the mouse is over an item. script sets the row to this class when required. */
.transMenu .item.hover {
	/*鼠标经过子菜单背景颜色*/	
	background: #FFF;
	color: #dc2f40;
}
/* this is either the dingbat that indicates there is a submenu, or a spacer gif in it's place. We give it extra margin to create some space between the text and the dingbat */
.transMenu .item img {
	margin-left: 10px;
}