导航条的修改

我仿了个站 做到导航条的时候怎么也把导航背景图片调用不出来！求高手帮忙！



CSS代码：#nv2 {
PADDING-LEFT: 0px; BACKGROUND: url(../../img/nv_bg.png) #fff; OVERFLOW: hidden; HEIGHT: 60px
}
#nv2 LI {
PADDING-RIGHT: 0px; FONT-WEIGHT: 700; FONT-SIZE: 12px; BACKGROUND: url(../../img/nv_g.png) no-repeat 100% 0px; FLOAT: left; LINE-HEIGHT: 60px; HEIGHT: 60px
}
.ie_all #nv2 LI {
LINE-HEIGHT: 60px
}
.ie6 #nv2 LI {
LINE-HEIGHT: 60px
}
#nv2 LI A {
PADDING-RIGHT: 20px; PADDING-LEFT: 20px; FLOAT: left; PADDING-BOTTOM: 0px; PADDING-TOP: 0px; HEIGHT: 60px
}
#nv2 LI A {
COLOR: #fff
}
#nv2 LI SPAN {
DISPLAY: none
}
#nv2 LI.a {
BACKGROUND: url(../../img/nv_a.png); MARGIN-LEFT: 0px
}
#nv2 LI.a A {
COLOR: #fff
}
#nv2 LI A:hover {
BACKGROUND: url(../../img/nv_hover.png); COLOR: #efef4c
}
#nv2 LI.hover A:hover {
BACKGROUND: url(../../img/nv_hover.png); COLOR: #efef4c
}
#nv2 LI.hover A {
BACKGROUND: url(../../img/nv_hover.png); COLOR: #efef4c
}
#mu UL {
FONT-SIZE: 12px; Z-INDEX: 2; BACKGROUND: #fff; LINE-HEIGHT: 22px


模版代码：
<!--导航开始-->
<div id="nv2">
     <a href="javascript:;" id="qmenu">{lang my_nav}</a>
     <ul>
      <!--{loop $_G['setting']['navs'] $nav}-->
       <!--{if $nav['available'] && (!$nav['level'] || ($nav['level'] == 1 && $_G['uid']) || ($nav['level'] == 2 && $_G['adminid'] > 0) || ($nav['level'] == 3 && $_G['adminid'] == 1))}--><li {if $mnid == $nav[navid]}class="a" {/if}$nav[nav]></li><!--{/if}-->
      <!--{/loop}-->
     </ul>
    </div>
    <!--{if !empty($_G['setting']['plugins']['jsmenu'])}-->
     <ul class="a" id="plugin_menu" style="display: none">
     <!--{loop $_G['setting']['plugins']['jsmenu'] $module}-->
       <!--{if !$module['adminid'] || ($module['adminid'] && $_G['adminid'] > 0 && $module['adminid'] >= $_G['adminid'])}-->
       <li> $module[url]</li>
       <!--{/if}-->
     <!--{/loop}-->
     </ul>
    <!--{/if}-->
    $_G[setting][menunavs]
    <div id="mu" class="cl">
    <!--{if $_G['setting']['subnavs']}-->
     <!--{loop $_G[setting][subnavs] $navid $subnav}-->
      <!--{if $_G['setting']['navsubhover'] || $mnid == $navid}-->
      <ul class="cl {if $mnid == $navid}current{/if}" id="snav__$navid" style="display:{if $mnid != $navid}none{/if}">
      $subnav
      </ul>
      <!--{/if}-->
     <!--{/loop}-->
    <!--{/if}-->
    </div>
    <!--{ad/subnavbanner/a_mu}-->
   </div>
  </div>





大概路径问题吧

哎............