function changeMe(obj) {
      document.getElementById("bigP").src = obj.src;
      document.frm.pics.selectedIndex = parseInt(obj.name);
      document.getElementById("pic").innerHTML = selectNames[parseInt(obj.name)];
      clearInterval(inter_changeMe3);
    }

    function changeMe2(obj) {
      document.getElementById("bigP").src = obj.value;
      document.getElementById("pic").innerHTML = selectNames[document.frm.pics.selectedIndex];
    }
function changeMe3(num){
s_index=document.frm.pics.selectedIndex;
if((s_index+1==document.frm.pics.options.length)&&(num==1)){
  s_index=-1;
}else if((s_index==0)&&(num==-1)){
s_index=document.frm.pics.options.length;
}
  document.frm.pics.selectedIndex = s_index+ num;
  changeMe2(document.frm.pics);
}
function auto_show(play){
if (play==1){
     inter_changeMe3=setInterval("changeMe3(1)",4000);
  }else{
     clearInterval(inter_changeMe3);
  }
}