// close showed layer
function mclose(e)
{
if(document.body !== e.srcElement)
return;if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}onclick 冲突了
function mclose(e)
{
if(document.body !== e.srcElement)
return;if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}onclick 冲突了
高手
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>CSS下拉框体</title><style type="text/css">
#sddm {
margin: 0 auto;
padding: 0;
z-index: 30;
background-color: #F4F4F4;
width: 480px;
height: 46px;
}#sddm li {
margin: 0;
padding: 0;
list-style: none;
float: left;
font: bold 15px arial
}#sddm li a {
display: block;
margin: 0 1px 0 0;
padding: 4px 10px;
height: 25px;
width: 60px;
background: #5970B2;
color: #FFF;
text-align: center;
text-decoration: none
}#sddm li a:hover {
background: #49A3FF
}#sddm div {
position: absolute;
visibility: hidden;
margin: 0;
padding: 0;
background: #EAEBD8;
border: 1px solid #5970B2
}#sddm div a {
position: relative;
display: block;
margin: 0;
padding: 5px 10px;
width: auto;
white-space: nowrap;
text-align: left;
text-decoration: none;
background: #EAEBD8;
color: #2875DE;
/*下拉框下的问题大小*/
font: 16px arial
}#sddm div a:hover {
background: #49A3FF;
color: #FFF
}
</style>
<script type="text/javascript">
<!--
var timeout = 500;
var closetimer = 0;
var ddmenuitem = 0; // open hidden layer
function mopen(id) {
// cancel close timer
mcancelclosetime(); // close old layer
if (ddmenuitem)
ddmenuitem.style.visibility = 'hidden'; // get new layer and show it
ddmenuitem = document.getElementById(id);
ddmenuitem.style.visibility = 'visible'; //alert("111" + id); }
// close showed layer
function mclose() {
if (ddmenuitem)
ddmenuitem.style.visibility = 'hidden';
} // go close timer
function mclosetime() {
closetimer = window.setTimeout(mclose, timeout);
} // cancel close timer
function mcancelclosetime() {
if (closetimer) {
window.clearTimeout(closetimer);
closetimer = null;
}
} // close layer when click-out
//document.onclick = mclose;
// -->
</script>
</head><body style="text-align: center"> <ul id="sddm">
<li><a href="#" onclick="mopen('m1')" onmouseout="mclosetime()">Home</a>
<div id="m1" onmouseover="mcancelclosetime()"
onmouseout="mclosetime()">
<a href="#">HTML DropDown</a> <a href="#">DHTML DropDown menu</a> <a
href="#">JavaScript DropDown</a> <a href="#">DropDown Menu</a> <a
href="#">CSS DropDown</a>
</div></li> <li><a href="#" onclick="mopen('m2')"
onmouseout="mclosetime()">Download</a>
<div id="m2" onmouseover="mcancelclosetime()"
onmouseout="mclosetime()">
<a href="#">ASP Dropdown</a> <a href="#">Pulldown menu</a> <a
href="#">AJAX dropdown</a> <a href="#">DIV dropdown</a>
</div></li>
<li><a href="#" onclick="mopen('m3')"
onmouseout="mclosetime()">Language</a>
<div id="m3" onmouseover="mcancelclosetime()"
onmouseout="mclosetime()">
<a href="index.jsp">中文</a> <a href="#">English</a>
</div></li>
<li><a href="#" onclick="mopen('m4')"
onmouseout="mclosetime()">Help</a>
<div id="m4" onmouseover="mcancelclosetime()"
onmouseout="mclosetime()">
<a href="#">Download Help File</a> <a href="#">Read online</a>
</div></li>
<li><a href="#" onclick="mopen('m5')"
onmouseout="mclosetime()">Contact</a>
<div id="m5" onmouseover="mcancelclosetime()"
onmouseout="mclosetime()">
<a href="#">E-mail</a> <a href="#">Submit Request Form</a> <a
href="http://www.codefans.net/" target="_blank">codefans.net</a>
</div></li>
</ul>
<div style="clear: both"></div></body>
</html>