//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 = "hover";
           
       }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;
var pollVarTwo = 0;


function setPollTwo(v){
	isPollTwo=v;
}

function pollPlayTwo(capas){
	if (isPollTwo){
	   pollVarTwo=pollVarTwo % capas; 
	   switch_tab_two(pollVarTwo, capas, 'areanumlabel', 'numpanel');
	   pollVarTwo++;
	}
	
	setTimeout("pollPlayTwo("+capas+")", 4000);  //自动轮换的间隔时间
}