// JavaScript Document
//二级菜单显示
function showMenu(num){
for(var id = 0;id<=8;id++)
{
if(id==num)
{
document.getElementById("subnav"+id).style.display="block";

}
else
{
document.getElementById("subnav"+id).style.display="none";

}
}
}
//首页新闻鼠标滑过显示详细信息
function showmore(getid)
{
  var dshow=document.getElementById(getid);  
  var showid=dshow.getElementsByTagName("dl");
  if(showid.length<1) return false;
  for(var i=0;i<showid.length;i++){
    //初始化，让第一个类为over
    if(showid[i].className.indexOf("over")==-1){
      showid[0].className="over";
    }
    //遍历循环，模拟:hover伪类
    showid[i].onmouseover=function(){
      for(var j=0;j<showid.length;j++){
        showid[j].className="";
      }
      this.className="over";
    }
  }  
}