// JavaScript Document
 function show(num){
 	var lis = document.getElementById('title').getElementsByTagName('a');
	for(i=0;i<lis.length;i++){
		lis[i].className = '';
		document.getElementById('con'+(i+1)).style.display = 'none';
	}
	document.getElementById('tit'+num).className = 'current';
	document.getElementById('con'+num).style.display = 'block';
 }
   function show2(num){
 	var lis = document.getElementById('tab_name').getElementsByTagName('a');
	for(i=0;i<lis.length;i++){
		lis[i].className = '';
		document.getElementById('content'+(i+1)).style.display = 'none';
	}
	document.getElementById('name'+num).className = 'current';
	document.getElementById('content'+num).style.display = 'block';
 }
  function show3(num){
 	var lis = document.getElementById('news_name').getElementsByTagName('a');
	for(i=0;i<lis.length;i++){
		lis[i].className = '';
		document.getElementById('cont'+(i+1)).style.display = 'none';
	}
	document.getElementById('newsName'+num).className = 'current';
	document.getElementById('cont'+num).style.display = 'block';
 }

//主导航下拉菜单
(function() {
        if(document.getElementById("mainNav")){
	var divs = document.getElementById("mainNav").getElementsByTagName("li");
	for(var i=0; i<divs.length; i++){
		divs[i].onmouseover=function(){
			this.className+=(this.className.length>0?" ":"") + "show";
		}
		divs[i].onmouseout=function(){
			this.className=this.className.replace(new RegExp("( ?|^)show\\b"), "");
		}
	}}
})();

//二级左侧导航
(function() {
        if(document.getElementById("leftNavs")){
	var divs = document.getElementById("leftNavs").getElementsByTagName("li");
	for(var i=0; i<divs.length; i++){
		divs[i].onmouseover=function(){
			this.className+=(this.className.length>0?" ":"") + "show";
		}
		divs[i].onmouseout=function(){
			this.className=this.className.replace(new RegExp("( ?|^)show\\b"), "");
		}
	}}
})();