// JavaScript Document
function setTab(name,cursel,n){ 
for(i=1;i<=n;i++){ 
var menu=document.getElementById(name+i); 
var con=document.getElementById("con_"+name+"_"+i); 
menu.className=i==cursel?"hover":""; 
con.style.display=i==cursel?"block":"none"; 
} 
} 



var timeout	= 400;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 

/////////////////////滚动公告/////////////////////////////////////////////////////////
//添加事件响应函数的函数，与本效果无关
function addEventSimple(obj,evt,fn){
 if(obj.addEventListener){
  obj.addEventListener(evt,fn,false);
 }else if(obj.attachEvent){
  obj.attachEvent('on'+evt,fn);
 }
}
addEventSimple(window,'load',initScrolling);
//保存想要滚动的容器
var scrollingBox;
var scrollingInterval;
//用于记录是否“滚到头”过一次
var reachedBottom=false;
//记录第一次滚到头时候的scrollTop
var bottom;
//初始化滚动效果
function initScrolling(){
 scrollingBox = document.getElementById("scrollText");
 //样式设置，与滚动基本无关，应该用CSS设置。
 scrollingBox.style.height = "145px";
 scrollingBox.style.overflow = "hidden";
 //滚动
 scrollingInterval = setInterval("scrolling()",50);
 //鼠标划过停止滚动效果
 scrollingBox.onmouseover = over;
 //鼠标划出回复滚动效果
 scrollingBox.onmouseout = out; 
}
//滚动效果
function scrolling(){
 //开始滚动,origin是原来scrollTop
 var origin = scrollingBox.scrollTop++;
 //如果到头了
 if(origin == scrollingBox.scrollTop){
  //如果是第一次到头
  if(!reachedBottom){
   scrollingBox.innerHTML+=scrollingBox.innerHTML;
   reachedBottom=true;
   bottom=origin;
  }else{
   //已经到头过，只需回复头接尾的效果
   scrollingBox.scrollTop=bottom;
  }
 }
}
function over(){
 clearInterval(scrollingInterval);
}
function out(){
 scrollingInterval = setInterval("scrolling()",50);
}
/////////////////////END滚动公告////////////////////////////////////////////////////////