// javascript document

//通知公告特效

var demo = document.getelementbyid("demo");
var demo1 = document.getelementbyid("demo1");
var demo2 = document.getelementbyid("demo2");
demo2.innerhtml=document.getelementbyid("demo1").innerhtml;
function marquee(){
if(demo.scrollleft-demo2.offsetwidth>=0){
 demo.scrollleft-=demo1.offsetwidth;
}
else{
 demo.scrollleft++;
}
}
var myvar=setinterval(marquee,30);
demo.onmouseout=function (){myvar=setinterval(marquee,30);}
demo.onmouseover=function(){clearinterval(myvar);}

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";
 }
}