var cur_topic_id, cur_msg_id, buff_subject, cur_subject_div, in_edit_mode = 0;
var hide_prefixes = Array();

function modify_topic(topic_id, first_msg_id, cur_session_id)
{
	if (!window.XMLHttpRequest)
		return;
	if (typeof(window.opera) != "undefined")
	{
		var test = new XMLHttpRequest();
		if (typeof(test.setRequestHeader) != "function")
			return;
	}

	if (in_edit_mode == 1)
	{
		if (cur_topic_id == topic_id)
			return;
		else
			modify_topic_cancel();
	}

	in_edit_mode = 1;
	mouse_on_div = 1;
	cur_topic_id = topic_id;

	if (typeof window.ajax_indicator == "function")
		ajax_indicator(true);

	getXMLDocument(smf_scripturl + "?action=quotefast;quote=" + first_msg_id + ";sesc=" + cur_session_id + ";modify;xml", onDocReceived_modify_topic);
}

function onDocReceived_modify_topic(XMLDoc)
{
	cur_msg_id = XMLDoc.getElementsByTagName("message")[0].getAttribute("id");

	cur_subject_div = document.getElementById('msg_' + cur_msg_id.substr(4));
	buff_subject = getInnerHTML(cur_subject_div);

	// Here we hide any other things they want hiding on edit.
	set_hidden_topic_areas('none');

	modify_topic_show_edit(XMLDoc.getElementsByTagName("subject")[0].childNodes[0].nodeValue);

	if (typeof window.ajax_indicator == "function")
		ajax_indicator(false);
}

function modify_topic_cancel()
{
	setInnerHTML(cur_subject_div, buff_subject);
	set_hidden_topic_areas('');

	in_edit_mode = 0;
	return false;
}

function modify_topic_save(cur_session_id)
{
	if