以下内容为程序代码:
<SCRIPT language=javascript>
function load_tree(f_id,v_id)
{ var targetImg=eval("document.all.followImg"+v_id);
var targetDiv=eval("document.all.follow"+v_id);
if (targetImg.src.indexOf("nofollow")!=-1) {return false;}
if ("object"==typeof(targetImg))
{
if (targetDiv.style.display!='block')
{
targetDiv.style.display="block";
targetImg.src="https://m.pinggu.org/bbs/images/skin/forum/l_minus.gif";
if (targetImg.loaded=="no") {document.frames["frame_tree"].location.replace("/forum/load.asp?action=tree&fid="+f_id+"&id="+v_id); }
}
else
{
targetDiv.style.display="none";
targetImg.src="https://m.pinggu.org/bbs/images/skin/forum/l_plus.gif";
}
}
}
</script>