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 ='link2';
}else{
hide("box_content"+i);
 		document.getElementById("li"+i).className ='font12';
}
}
}
function clicktab(id){
for (i=1;i<=5;i++)
{
if (id == i)
{
display("box_content"+i);
 		document.getElementById("li"+i).className ='link2';
}else{
hide("box_content"+i);
 		document.getElementById("li"+i).className ='font12';
}
}
stoper();
timer = setTimeout("rotate("+id+","+15000+")", 20000);
}
function stoper() {
clearTimeout(timer);
}
function rotate(id,settime){
if (id >5){id=1;}
gettab(id);
id++;
timer = setTimeout("rotate("+id+","+settime+")", settime);
}