var isStart2=true;
var mm;
var rr;
var bPlay2=new Image;
bPlay2.src = "images/bu_pla.gif";
var bPause2=new Image;
bPause2.src = "images/bu_pau.gif";
mm=1;
setTimeout('change_img2()',15000);
function resetPlay(){
isStart2=true;
var f = document.getElementById("top_slider2");
var w = f.getElementsByTagName("img2");
for(i=0;i<w.length;i++){
 if(w[i].src == bPlay2.src) a[i].src = bPause2.src;
}
}
function playorpau(f){
if(f.src == "images/bu_pau.gif"){
f.src = bPlay2.src ;
isStart2 = false;
}else{
f.src = bPause2.src;
isStart2 = true;
}
}
function pre_img2(){
resetPlay();
mm--;
if(mm < 1) mm=2;
setFocus2(mm);
}
function next_img2(){
resetPlay();
mm++;
if(mm > 2) mm=1;
setFocus2(mm);
}
function change_img2()
{
if(isStart){
 mm++;
 if(mm>2) mm=1;
 setFocus2(mm);
 }else{
 rr=setTimeout('change_img2()',15000);
 }
}
function setFocus2(i)
{
 if(rr) clearTimeout(rr);
 mm = i;
 selectLayer2(i);
 rr=setTimeout('change_img2()',15000);
}
function selectLayer2(i)
{
 switch(i)
 {
 case 1:
document.getElementById("bbs_s1").style.display="block";
document.getElementById("bbs_s2").style.display="none";
 break;
case 2:
document.getElementById("bbs_s1").style.display="none";
document.getElementById("bbs_s2").style.display="block";
 break;
 }
}