织梦dedecms二级菜单实现方法

if($typeid==0 || $typeid=='top') {
$tpsql = " reid=0 AND ispart2 AND ishidden1 AND channeltype>0 ";
}

if($typeid=='tops') {
$tpsql = " reid=0 AND ispart2 AND ishidden1 ";
}elseif($typeid==0 || $typeid=='top') {
$tpsql = " reid=0 AND ispart2 AND ishidden1 AND channeltype>0 ";
}

{dede:channelartlist typeid='tops' row=10}

*
{
PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px
}
A {
text-decoration:none;
}
DIV {
WORD-WRAP: break-word; WORD-BREAK: break-all
}
LI {
LIST-STYLE-TYPE: none; LIST-STYLE-IMAGE: none
}
.nav {
MARGIN: 7px auto 0px; WIDTH: 968px; OVERFLOW: hidden
}
.nav LI {
FLOAT: left; HEIGHT: 48px
}
.nav_left {
WIDTH: 8px; BACKGROUND: url(img/s02.gif) no-repeat
}
.nav_center {
WIDTH: 952px; BACKGROUND: url(img/s03.gif) repeat-x; FONT-SIZE: 16px
}
.nav_right {
WIDTH: 8px; BACKGROUND: url(img/s04.gif) no-repeat
}
.nav_li_li {
PADDING-RIGHT: 2px; BACKGROUND: url(img/s05.gif) no-repeat right top
}
.nav A {
PADDING-BOTTOM: 0px; LINE-HEIGHT: 42px; PADDING-LEFT: 49px; PADDING-RIGHT: 49px; FLOAT: left; HEIGHT: 48px; COLOR: #fff; PADDING-TOP: 0px
}
.nav .nav_on {
BACKGROUND: url(img/s06.jpg) no-repeat center top; TEXT-DECORATION: none
}
.nav A:hover {
BACKGROUND: url(img/s06.jpg) no-repeat center top; TEXT-DECORATION: none
}
.nav_li_li DIV {
Z-INDEX: 1000; BORDER-BOTTOM: #5970b2 1px solid; POSITION: absolute; BORDER-LEFT: #5970b2 1px solid; PADDING-BOTTOM: 5px; MARGIN-TOP: 42px; PADDING-LEFT: 5px; WIDTH: 190px; PADDING-RIGHT: 5px; ZOOM: 1; BACKGROUND: #ffffff 0px 0px; VISIBILITY: hidden; BORDER-TOP: #5970b2 1px solid; BORDER-RIGHT: #5970b2 1px solid; PADDING-TOP: 5px
}
.nav_li_li DIV A {
POSITION: relative; TEXT-ALIGN: center; PADDING-BOTTOM: 5px; LINE-HEIGHT: 18px; MARGIN: 0px; PADDING-LEFT: 5px; WIDTH: 80px; PADDING-RIGHT: 5px; DISPLAY: block; WHITE-SPACE: nowrap; BACKGROUND: #ffffff 0px 0px; HEIGHT: 18px; COLOR: #2875de; FONT-SIZE: 12px; TEXT-DECORATION: none; PADDING-TOP: 5px
}
.nav_li_li DIV A:hover {
BACKGROUND: #49a3ff; COLOR: #fff
}

• 
  
• 
  
  
  
  • 
    {dede:channelartlist typeid='top' row='2'}
    
  • 
    
    
    
    
    {dede:channel type='son' }
    
    {/dede:channel}
    
  
  

var timeout=500;
var closetimer=0;
var ddmenuitem=0;
function mopen(id)
{
mcancelclosetime();
if(ddmenuitem)ddmenuitem.style.visibility='hidden';
ddmenuitem=document.getElementById(id);
ddmenuitem.style.visibility='visible';
}
function mclose()
{
if(ddmenuitem)ddmenuitem.style.visibility='hidden';
}
function mclosetime()
{
closetimer=window.setTimeout(mclose,timeout);
}
function mcancelclosetime()
{
if(closetimer)
{
window.clearTimeout(closetimer);
closetimer=null;
}
}
document.onclick=mclose;