/* common styling */
/* set up the overall width of the menu div, the font and the margins */
.menu {
font-family: arial, sans-serif; 
width:750px; 
margin:0; 
margin:2px 0;
text-align:right;
}
/* remove the bullets and set the margin and padding to zero for the unordered list */
.menu ul {
padding:0; 
margin:0;
list-style-type: none;
}
/* float the list so that the items are in a line and their position relative so that the drop down list will appear in the right place underneath each list item */
.menu ul li {
float:left; 
position:relative;
}
/* style the links to be 104px wide by 30px high with a top and right border 1px solid white. Set the background color and the font size. */
.menu ul li a, .menu ul li a:visited {
display:block; 
text-align:center; 
text-decoration:none; 
width:104px; 
height:20px; 
color:#000; 
border:1px solid #fff;
border-width:1px 1px 0 0;
background:#f4f4f4; 
line-height:20px; 
font-size:11px;
}
/* make the dropdown ul invisible */
.menu ul li ul {
display: none;
}
/* specific to non IE browsers */
/* set the background and foreground color of the main menu li on hover */
.menu ul li:hover a {
color:#f4f4f4; 
background:#fff;
}
/* make the sub menu ul visible and position it beneath the main menu list item */
.menu ul li:hover ul {
display:block; 
position:absolute; 
top:31px; 
left:0; 
width:105px;
}
/* style the background and foreground color of the submenu links */
.menu ul li:hover ul li a {
display:block; 
background:#fff; 
color:#000;
}
/* style the background and forground colors of the links on hover */
.menu ul li:hover ul li a:hover {
background:#fff; 
color:#000;
}

/* styling specific to Internet Explorer IE5.5 and IE6. Yet to see if IE7 handles li:hover */
/* Get rid of any default table style */
table {
border-collapse:collapse;
margin:0; 
padding:0;
}
/* ignore the link used by 'other browsers' */
.menu ul li a.hide, .menu ul li a:visited.hide {
display:none;
}
/* set the background and foreground color of the main menu link on hover鼠标放上去 */
.menu ul li a:hover {
color:#000; 
background:#f3f3f3;
}
/* make the sub menu ul visible and position it beneath the main menu list item */
.menu ul li a:hover ul {
display:block; 
position:absolute; 
top:20px; 
left:0; 
width:105px;
}
/* style the background and foreground color of the submenu links */
.menu ul li a:hover ul li a {
background:#F4F4F4; 
color:#000;
}
/* style the background and forground colors of the links on hover */
.menu ul li a:hover ul li a:hover {
background:#fff; 
color:#000;
}