function comevent (){
	$('comment_form').addEvent('submit', function(e) {
		new Event(e).stop();
		this.Submit.disabled = true;
		this.send({
			update: 'commform',
			evalScripts: true
		});
	});
}
function comtree (iid){
	new Ajax('/comm.php?action=tree&iid='+iid, {method: 'get',  evalScripts: true, update: $('comments_list')}).request();
}