<body>
<!--one start-->
<div id="yp_card1" class="pro_con" style="display:block" >
<div class="hei">
<div id="pro_left"><a href="#" onclick="changeMc(1,3)"><img src="images/left.gif" border="0" /></a></div>
<div onmouseover="changeMc(1,1)" onmouseout="hi()" id="pro_center" ><img src="images/navimg.gif" /></div>
<div id="pro_right"><a href="#" onclick="changeMc(1,2)"><img src="images/right.gif" border="0" /></a></div>
</div>
<div id="pro_nub">
<span onmouseover="changeMc(1,3)" onmouseout="hi()"><a href="#" class="over">1</a></span>
<span onmouseover="changeMc(1,2)" onmouseout="hi()" ><a href="#">2</a></span>
<span onmouseover="changeMc(1,1)" onmouseout="hi()"><a href="#">3</a></span>
</div>
</div>
<!--end-->
<!--two start-->
<div id="yp_card2" class="pro_con" style="display:none" >
<div class="hei">
<div id="pro_left"><a href="#" onclick="changeMc(2,1)"><img src="images/left.gif" border="0" /></a></div>
<div onmouseover="changeMc(2,2)" onmouseout="hi()" id="pro_center" ><img src="images/navimg2.gif" /></div>
<div id="pro_right"><a href="#" onclick="changeMc(2,3)"><img src="images/right.gif" border="0" /></a></div>
</div>
<div id="pro_nub">
<span onmouseover="changeMc(2,3)" onmouseout="hi()"><a href="#">1</a></span>
<span onmouseover="changeMc(2,2)" onmouseout="hi()" ><a href="#" class="over">2</a></span>
<span onmouseover="changeMc(2,1)" onmouseout="hi()"><a href="#">3</a></span>
</div>
</div>
<!--end-->
<!--three start-->
<div id="yp_card3" class="pro_con" style="display:none" >
<div class="hei">
<div id="pro_left"><a href="#" onclick="changeMc(3,2)"><img src="images/left.gif" border="0" /></a></div>
<div onmouseover="changeMc(3,3)" onmouseout="hi()" id="pro_center" ><img src="images/navimg3.gif" /></div>
<div id="pro_right"><a href="#" onclick="changeMc(3,1)"><img src="images/right.gif" border="0" /></a></div>
</div>
<div id="pro_nub">
<span onmouseover="changeMc(3,3)" onmouseout="hi()"><a href="#">1</a></span>
<span onmouseover="changeMc(3,2)" onmouseout="hi()" ><a href="#">2</a></span>
<span onmouseover="changeMc(3,1)" onmouseout="hi()"><a href="#" class="over">3</a></span>
</div>
</div>
<!--end-->
<script language="javascript" type="text/javascript">
<!--
var s=3;
var t=3000;//循环周期(1秒)
var timer;
function changeMc(x,y){
// x是当前显示的层 y是即将显示的层
clearTimeout(timer);
if (x!=y){
document.getElementById('yp_card'+x).style.display = "none";
document.getElementById('yp_card'+y).style.display = "block";
s=y
}
}
function hi(){
timer=setTimeout("sh()",t)
}
function sh(){
s=(s>=3)?1:s+1
for (var i=1;i<=3;i++){
document.getElementById("yp_card"+i).style.display = "none";
}
document.getElementById("yp_card"+s).style.display = "block"
timer=setTimeout("sh()",t)
}
sh()
-->
</script>
<style>
.about{ width:284px; height:200px; float:left;}
.type_bg{ height:22px; }
.aboutimg{ float:left; width:161px; margin-top:20px; border-right:dashed 1px #ccc; padding-right:20px;}
.about_content{ float:right; width:90px; line-height:25px; margin-top:20px; list-style:none;}
.mar{ margin-left:28px;}
.pro_con{ margin-top:10px; height:115px; padding:10px; padding-top:5px;}
#pro_left{ width:4px; float:left; margin-left:25px; padding-top:55px;}
#pro_center{ width:191px; float:left; margin-left:10px;}
#pro_right{ width:4px; float:left; margin-left:10px; padding-top:55px;}
#pro_nub{ padding-left:200px; font-family:Geneva, Arial, Helvetica, sans-serif;}
a.over{font-size:12px; text-decoration:none; color:#35A130}
.hei{ height:130px;}
</style>
</body>
</html>
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