function display(sID) {
 
oObj = document.getElementById(sID);
 if (oObj) {
 oObj.style.display='inline';
 }
 }
 
function hide(sID) {
 oObj = document.getElementById(sID);
 if (oObj) {
 oObj.style.display='none';
 }
 }
 
function gettab(id){
 
for (i=1;i<=5;i++)
 {
 if (id == i)
 {
 display("box_content"+i);
 document.getElementById("li"+i).className ='font18';
 }else{
 hide("box_content"+i);
 document.getElementById("li"+i).className ='font12';
 }
 }
 
}
function rotate(id,settime){
 if (id >5){id=1;}
 gettab(id);
 id++;
 timer = setTimeout("rotate("+id+","+settime+")", settime);
 
}
function clicktab(id){
 
for (i=1;i<=5;i++)
 {
 if (id == i)
 {
 display("box_content"+i);
 document.getElementById("li"+i).className ='font18';
 }else{
 hide("box_content"+i);
 document.getElementById("li"+i).className ='font12';
 }
 }
 
stoper();
 timer = setTimeout("rotate("+id+","+1000+")", 5000);
 }
 
function stoper() {
 clearTimeout(timer);
 }