var smf_topic, smf_start, smf_show_modify, quickReplyCollapsed, buff_message;

var cur_msg_id, cur_msg_div, buff_subject, cur_subject_div, in_edit_mode = 0;



function doQuote(messageid, cur_session_id)

{

	if (quickReplyCollapsed)

		window.location.href = smf_scripturl + "?action=post;quote=" + messageid + ";topic=" + smf_topic + "." + smf_start + ";sesc=" + cur_session_id;

	else

	{

		if (window.XMLHttpRequest)

		{

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

				ajax_indicator(true);

			getXMLDocument(smf_scripturl + "?action=quotefast;quote=" + messageid + ";sesc=" + cur_session_id + ";xml", onDocReceived);

		}

		else

			reqWin(smf_scripturl + "?action=quotefast;quote=" + messageid + ";sesc=" + cur_session_id, 240, 90);



		if (navigator.appName == "Microsoft Internet Explorer")

			window.location.hash = "quickreply";

		else

			window.location.hash = "#quickreply";

	}

}



function onDocReceived(XMLDoc)

{

	var text = "";

	for (var i = 0; i < XMLDoc.getElementsByTagName("quote")[0].childNodes.length; i++)

		text += XMLDoc.getElementsByTagName("quote")[0].childNodes[i].nodeValue;



	replaceText(text, document.forms.postmodify.message);

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

		ajax_indicator(false);

}





function modify_msg(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)

		modify_cancel();

	in_edit_mode = 1;

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

		ajax_indicator(true);

	getXMLDocument(smf_scripturl + '?action=quotefast;quote=' + msg_id + ';sesc=' + cur_session_id + ';modify;xml', onDocReceived_modify);

}



function onDocReceived_modify(XMLDoc)

{

	var text = "";

	var subject = "";



	// Grab the message ID.

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



	// Replace the body part.

	for (var i = 0; i < XMLDoc.getElementsByTagName("message")[0].childNodes.length; i++)

		text += XMLDoc.getElementsByTagName("message")[0].childNodes[i].nodeValue;

	cur_msg_div = document.getElementById(cur_msg_id);

	buff_message = getInnerHTML(cur_msg_div);



	// Actually create the content, with a bodge for dissapearing dollar signs.

	text = text.replace(/\$/g,"{&dollarfix;$}");

	text = smf_template_body_edit.replace(/%body%/, text).replace(/%msg_id%/g, cur_msg_id.substr(4));

	text = text.replace(/\{&dollarfix;\$\}/g,"$");

	setInnerHTML(cur_msg_div, text);

	

	// Replace the subject part.

	cur_subject_div = document.getElementById('subject_' + cur_msg_id.substr(4));

	buff_subject = getInnerHTML(cur_subject_div);



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

	subject = subject.replace(/\$/g,"{&dollarfix;$}");

	subject = smf_template_subject_edit.replace(/%subject%/, subject);

	subject = subject.replace(/\{&dollarfix;\$\}/g,"$");

	setInnerHTML(cur_subject_div, subject);

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

		ajax_indicator(false);

}



function modify_cancel()

{

	// Roll back the HTML to its original state.

	setInnerHTML(cur_msg_div, buff_message);

	setInnerHTML(cur_subject_div, buff_subject);



	// No longer in edit mode, that's right.

	in_edit_mode = 0;



	return false;

}



function modify_save(cur_session_id)

{

	if (!in_edit_mode)

		return true;



	var i, x = new Array();

	x[x.length] = 'subject=' + escape(textToEntities(document.forms.quickModForm['subject'].value.replace(/&#/g, "&#38;#"))).replace(/\+/g, "%2B");

	x[x.length] = 'message=' + escape(textToEntities(document.forms.quickModForm['message'].value.replace(/&#/g, "&#38;#"))).replace(/\+/g, "%2B");

	x[x.length] = 'topic=' + parseInt(document.forms.quickModForm.elements['topic'].value);

	x[x.length] = 'msg=' + parseInt(document.forms.quickModForm.elements['msg'].value);



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

		ajax_indicator(true);



	sendXMLDocument(smf_scripturl + "?action=jsmodify;topic=" + smf_topic + ";sesc=" + cur_session_id + ";xml", x.join("&"), modify_done);



	return false;

}



function modify_done(XMLDoc)

{

	if (!XMLDoc)

	{

		modify_cancel();

		return;

	}



	var message = XMLDoc.getElementsByTagName("smf")[0].getElementsByTagName("message")[0];

	var body = message.getElementsByTagName("body")[0];

	var error = message.getElementsByTagName("error")[0];



	if (body)

	{

		// Show new body.

		var bodyText = "";

		for (i = 0; i < body.childNodes.length; i++)

			bodyText += body.childNodes[i].nodeValue;



		bodyText = bodyText.replace(/\$/g,"{&dollarfix;$}");

		bodyText = smf_template_body_normal.replace(/%body%/, bodyText);

		bodyText = bodyText.replace(/\{&dollarfix;\$\}/g,"$");

		setInnerHTML(cur_msg_div, bodyText);

		buff_message = bodyText;



		// Show new subject.

		var subject = message.getElementsByTagName("subject")[0];

		var subject_text = subject.childNodes[0].nodeValue;

		subject_text = subject_text.replace(/\$/g,"{&dollarfix;$}");

		var subject_html = smf_template_subject_normal.replace(/%msg_id%/g, cur_msg_id.substr(4)).replace(/%subject%/, subject_text);

		subject_html = subject_html.replace(/\{&dollarfix;\$\}/g,"$");

		setInnerHTML(cur_subject_div, subject_html);

		buff_subject = subject_html;

		

		// If this is the first message, also update the topic subject.

		if (subject.getAttribute("is_first") == 1)

		{

			var subject_top = smf_template_top_subject.replace(/%subject%/, subject_text);

			subject_top = subject_top.replace(/\{&dollarfix;\$\}/g,"$");

			setInnerHTML(document.getElementById("top_subject"), subject_top);

		}



		// Show this message as "modified on x by y".

		if (smf_show_modify)

		{

			var cur_modify_div = document.getElementById('modified_' + cur_msg_id.substr(4));

			setInnerHTML(cur_modify_div, message.getElementsByTagName("modified")[0].childNodes[0].nodeValue);

		}

	}

	else if (error)

	{

		setInnerHTML(document.getElementById("error_box"), error.childNodes[0].nodeValue);

		document.forms.quickModForm.message.style.border = error.getAttribute("in_body") == "1" ? "1px solid red" : "";

		document.forms.quickModForm.subject.style.border = error.getAttribute("in_subject") == "1" ? "1px solid red" : "";

	}



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

		ajax_indicator(false);

}



function showModifyButtons()

{

	var numImages = document.images.length;

	for (var i = 0; i < numImages; i++)

		if (document.images[i].id.substr(0, 14) == 'modify_button_')

			document.images[i].style.display = '';

}



function expandThumb(thumbID)

{

	var img = document.getElementById('thumb_' + thumbID);

	var link = document.getElementById('link_' + thumbID);

	var tmp = img.src;

	img.src = link.href;

	link.href = tmp;

	img.style.width = '';

	img.style.height = '';

	return false;

}



function swapQuickReply()

{

	document.getElementById("quickReplyExpand").src = smf_images_url + "/" + (quickReplyCollapsed ? "collapse.gif" : "expand.gif");

	document.getElementById("quickReplyOptions").style.display = quickReplyCollapsed ? "" : "none";



	quickReplyCollapsed = !quickReplyCollapsed;

}