//switch page
function pageTab(page_m,page_n){
var page_t=document.getElementById("page_menu"+page_m).getElementsByTagName("li");
var page_d=document.getElementById("page_main"+page_m).getElementsByTagName("div");
for(i=0;i<page_t.length;i++){
  page_t[i].className=i==page_n?"hover":"";
  page_d[i].style.display=i==page_n?"block":"none";
}
}
//banner
function switch_tab_two(d,num,menu,obj)
{
   var index=parseInt(d);
   if(index < 0 && index > num-1)
   {
      index = 0;
   }
   
   for(var ti=0;ti<num;ti++)
   {
       if(index==ti){
           document.getElementById(obj+ti).style.display = "block";
           document.getElementById(menu+ti).className = "now";
           
       }else{
           document.getElementById(obj+ti).style.display = "none";
           document.getElementById(menu+ti).className = ""; 
       }
   }
   
}
var isPollTwo = true;
var pollVarTwo = Math.floor(Math.random()*100)%4 + 1; 

function setPollTwo(v)   
{
isPollTwo=v;
}

function pollPlayTwo()
{
if (isPollTwo)
{
   pollVarTwo=pollVarTwo%4; 
   switch_tab_two(pollVarTwo,4,'areanumlabel','numpanel');
   pollVarTwo++;
}

setTimeout("pollPlayTwo()", 3500);
}