function join_member(){
	if(user_level<0){
		show_log("", "", 1, 1, join_member)
	}else{
		show_msg();
		ajax_do("/doc.php?act=join_member&doc_id="+doc_id, "post", join_member_ok);
	}
}

function join_member_ok(o){
	var res=trim(o.responseText).split("\t");
	if(res[0]==1){
		var avatar=res[3];
		var cur_user_name=res[1];
		var cur_user_nickname=res[2];
		new Insertion.Bottom('doc_members', "<div class='small_avatar_name'><a href='http://my.iyaya.com/"+cur_user_name+"' target='_blank'><img src='"+avatar+"'><br />"+cur_user_nickname+"</a>");
		hide_msg();
	}else{
		show_msg(3, res[1]);
	}
}

function add_comment(){
	var comment_text=$("comment_text").value.strip();
	if(comment_text.length<4){
		alert("评论内容太简单！");
		return false;
	}
	if(user_level<0){
		show_log("", "", 1, 1, add_comment)
	}else{
		show_msg();
		ajax_do("/doc.php?act=add_comment&doc_id="+doc_id+"&cat_id="+cat_id+"&subcat_id="+subcat_id+"&comment_text="+encodeURIComponent(comment_text), "post", add_comment_ok);
	}
}



function add_comment_ok(o){
	var res=trim(o.responseText).split("\t");
	if(res[0]=="1"){
		comments_total_items++;
		cur_comment_page=0;
		get_doc_comments(0);
		$("comment_text").value="";
	}else{
		show_msg(3, res[1]);
	}
}

function get_doc_comments(page){
	ajax_do("/doc.php?act=list_comment&doc_id="+doc_id+"&page="+page+"&total="+comments_total_items, "get", list_comment_ok);	
	cur_comment_page=page;
}

function list_comment_ok(o){
	$("gbs_div").innerHTML="";
	$("gbs_div").innerHTML=o.responseText;
	hide_msg();
}

function del_comment(comment_id){
	ajax_do("/doc.php?act=del_comment&doc_id="+doc_id+"&comment_id="+comment_id, "get", del_comment_ok);	
}

function del_comment_ok(o){
	var res=trim(o.responseText).split("\t");
	if(res[0]=="1"){
		comments_total_items--;
		get_doc_comments(cur_comment_page);
	}else{
		show_msg(3, res[1]);
	}
}