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";
}
}


//totop("demo","demo1","demo2",40,"hehe1sdf12weq3")
//todown("demo01","demo11","demo21",40,"hehe1sdf112weq3")
function $$(id)
{
return document.getElementById(id)
}
//向上滚动函数，demo包含demo1与demo2,speed是滚动速度，flag一个网页内有多个时设置为不同的任意字符。
//by 柳永法(yongfa365)'Blog　www.yongfa365.com
function totop(demo,demo1,demo2,speed,flag)
{
demo=$$(demo);
demo1=$$(demo1);
demo2=$$(demo2)
demo2.innerHTML=demo1.innerHTML
function Marquee()
{
if(demo2.offsetTop-demo.scrollTop<=0)
{
demo.scrollTop-=demo1.offsetHeight
}else
{
demo.scrollTop++
}
}
flag=setInterval(Marquee,speed)
demo.onmouseover=function ()
{
clearInterval(flag);
}
demo.onmouseout=function ()
{
flag=setInterval(Marquee,speed);
}
}
//向下滚动函数，demo包含demo1与demo2,speed是滚动速度，flag一个网页内有多个时设置为不同的任意字符。
//by 柳永法(yongfa365)'Blog　www.yongfa365.com
function todown(demo,demo1,demo2,speed,flag)
{
demo=$$(demo);
demo1=$$(demo1);
demo2=$$(demo2)
demo2.innerHTML=demo1.innerHTML
function Marquee()
{
if(demo.scrollTop<=0)
{
demo.scrollTop=demo2.offsetHeight
}else
{
demo.scrollTop--
}
}
flag=setInterval(Marquee,speed)
demo.onmouseover=function ()
{
clearInterval(flag);
}
demo.onmouseout=function ()
{
flag=setInterval(Marquee,speed);
}
}