function animate(tagId,alfa,step){
 div = document.getElementById(tagId);
 var item = new Array();
 //???????? ??? ??????? ????????
 for(c=i=0;i<div.childNodes.length;i++){
  if (div.childNodes[i].tagName=="IMG"){
   item[c] = div.childNodes[i];
   c++;
  }
 }
 last = item[item.length-1];
 next = item[item.length-2];
 //?????? ??????? ? ??????(???????) ??????? ????? ??????????
 last.style.opacity= alfa/100;
 last.style.filter= "progid:DXImageTransform.Microsoft.Alpha(opacity="+alfa+")";
 last.style.filter= "alpha(opacity="+alfa+")";

 if ((alfa-step)>0){
  //???? ??? ?? ???????? ?????? ???????????? ???????? ??????? - ?????????? ????????
   setTimeout("animate('"+tagId+"',"+(alfa-step)+","+step+");", 50);
 }else{
  //???? ???????? ?????? ???????????? ???????? ???????
  //?????? ????????? ???????????? ????????? ???????
  next.style.opacity= 1;
  next.style.filter= "progid:DXImageTransform.Microsoft.Alpha(opacity=100)";
  next.style.filter= "alpha(opacity=100)";
  // ? ??????? ??????? ?????????? ? ??? ??????
  tmp = last;
  div.removeChild(last);
  div.insertBefore(tmp,item[0]);
  tmp.style.opacity= 1;
  tmp.style.filter= "progid:DXImageTransform.Microsoft.Alpha(opacity=100)";
  tmp.style.filter= "alpha(opacity=100)";

  setTimeout( "slideSwitch('"+tagId+"',5000)", 4000 );
 }
}
//??? ??????? ?????? ??????? ???? ? ????????? ??? ???????? (?????????? ?? ???????, ????? ???????? ???????? ?? ????? ???????? ????????) ? ????????? ????????
function slideSwitch(tagId,speed){
 div = document.getElementById('slideshow');
 if (div.style.visibility!="visible"){
      div.style.visibility = "visible";
 }
 items = div.getElementsByTagName('img');
 if (items.length>0){
  animate(tagId,100,10);
 }
}
//???????? ???? ??????, ????? ???????? ?????? ???????????... ????? ?????? ????????? ?? onload-??????? ?????????? ?? ????????