function animate_slide(tagId,alfa,step){
	div = document.getElementById(tagId);

	cnt = div.childNodes.length;
	items = new Array(1);
	for(c=i=0;i < cnt;i++){
		if ( div.childNodes[i].tagName=="IMG"){
			items[c] = div.childNodes[i];
			c++;
		}
	}

	last = items[items.length-1];
	next = items[items.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_slide('"+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,items[0]);
		tmp.style.opacity= 1;
		tmp.style.filter= "progid:DXImageTransform.Microsoft.Alpha(opacity=100)";
		tmp.style.filter= "alpha(opacity=100)";

		setTimeout( "slideSwitch('"+tagId+"',1000)", 5000 );
	}
}

function slideSwitch(tagId,speed){
 div = document.getElementById(tagId);
 if (div.style.visibility!="visible"){
      div.style.visibility = "visible";
 }
 items = div.getElementsByTagName('img');
 if (items.length>0){
  animate_slide(tagId,100,10);
 }
}