var $toplink_container = $("toplink_container");
var $toplink_content = $("toplink_content");
if ($toplink_container && $toplink_content) {
	$toplink_container.appendChild($toplink_content);
	$toplink_content.show();
}

var ad_elems = document.getElementsByClassName("tplayer","tplayers");
var cur_ad_index = 0;
var $topad_container = $("topad_container");
if ($topad_container && (ad_elems.length>0)) {
	$topad_container.style.overflow = "hidden";
	$topad_container.innerHTML = "<div><div></div></div>";
	empty_div = $($topad_container.firstChild.firstChild);
	empty_div.style.height = $topad_container.clientHeight;
	empty_div.style.width = $topad_container.clientWidth;
	changeTopAdContent(-1);
}

function changeTopAdContent() {
	if (arguments.length>0)
		cur_ad_index = arguments[0];
	else
		cur_ad_index++;
	cur_ad_index = ((cur_ad_index>=ad_elems.length) || (cur_ad_index<0))?0:cur_ad_index;
	var cur_ad_elem = ad_elems[cur_ad_index];
	var container = $topad_container;
	var last_ad_elem = $(container.lastChild);
	
	if (last_ad_elem && (last_ad_elem!=cur_ad_elem)) {
		Effect.SlideUp(last_ad_elem);
	}
	container.appendChild(cur_ad_elem);
	cur_ad_elem.show();
	setTimeout("changeTopAdContent()",8000);	//change after 8 seconds
}