// JavaScript Document
//二级菜单
fn_Hover=function(){  
	 var el = document.getElementById("pishu_nav");
	if(!el){return;}
	var liNodes = el.getElementsByTagName("li");
	 for (i=0; i<liNodes.length; i++){  
   liNodes[i].onmouseover = function(){  
        this.className += " list_current" ;
   }  
   liNodes[i].onmouseout = function() {  
          this.className = this.className.replace(new RegExp(" list_current\\b"), "") ; 
   }  
 }  
}  
if (window.attachEvent){ 
     window.attachEvent("onload", fn_Hover); 
} else if(window.addEventListener){ 
     window.addEventListener("load", fn_Hover, false);   
} 

/*$(function(){
	//去掉最后一个li的背景样式
	$("#pishu_nav > li:last").css("background","none");
})*/