// JavaScript Document
var cur=1;
function opentimer(){
timerID = setInterval("change()",3500);}
opentimer();
function change(){
if (cur==1){
document.getElementById("tData_1").style.display="none";
document.getElementById("tData_2").style.display="";
document.getElementById("f1").className="fangan2";
document.getElementById("f2").className="fangan1";
cur=2;
return;}
if (cur==2){
document.getElementById("tData_2").style.display="none";
document.getElementById("tData_3").style.display="";
document.getElementById("f2").className="fangan2";
document.getElementById("f3").className="fangan1";
cur=3;
return;}
if (cur==3){
document.getElementById("tData_3").style.display="none";
document.getElementById("tData_4").style.display="";
document.getElementById("f3").className="fangan2";
document.getElementById("f4").className="fangan1";
cur=4;
return;}
if (cur==4){
document.getElementById("tData_4").style.display="none";
document.getElementById("tData_1").style.display="";
document.getElementById("f4").className="fangan2";
document.getElementById("f1").className="fangan1";
cur=1;
return;}
}
function change1(id){
clearInterval(timerID);
document.getElementById("tData_1").style.display="none";
document.getElementById("tData_2").style.display="none";
document.getElementById("tData_3").style.display="none";
document.getElementById("tData_4").style.display="none";
document.getElementById("f1").className="fangan2";
document.getElementById("f2").className="fangan2";
document.getElementById("f3").className="fangan2";
document.getElementById("f4").className="fangan2";
document.getElementById("tData_"+id).style.display="";
document.getElementById("f"+id).className="fangan1";
cur=id;
}