// mondo_image.user.js
//
// Copyright 2006-2007, Michael Devore
// This file is licensed under the terms of the Artistic License.
// See http://www.opensource.org/licenses/artistic-license.php for the license itself.
//
// This is a Greasemonkey script.
// See http:http://www.greasespot.net/ for more information on Greasemonkey.
//
// ==UserScript==
// @name          Mondo Image
// @namespace     http://www.devoresoftware.com/gm/mi
// @description	Control inline image display on MetaFilter
// @include       http://*.metafilter.com/*
// @include       http://www.devoresoftware.com/*
// ==/UserScript==
//
// Based on Mondo Meta script
// Work begun, December 2006
// Version 1.0 (beta), released January 2007
// Version 1.0a (beta), released January 2007
// Version 1.1, released January 2007
// Version 1.2, released early February 2007
// Version 1.3, released late May 2007
//

//String.prototype.trim = function()
//{
//	return this.replace(/^\s*|\s*$/g,'');
//}

var mondoImageVersion = "Version 1.3, Mondo Image";
var aDefaultSites = [ "*.flickr.com", "*.imageshack.us", "*.photobucket.com" ];
var aDefaultExtensions = [ ".png", ".jpg", ".gif", ".jpeg" ];
var defaultLimitMaxWidth = "550px";
var defaultLimitMaxHeight = "550px";
var miBottomPos = "5px";
var miLeftPos = "280px";
var miFontSize = "12px";
var miFontWeight = "bold";
var miColor = "darkblue";
var miOpacity = ".85";
var miBackgroundColor = "#FFCFCF";

var buttonText = "button";
var trueText = "true";
var falseText = "false";
var xText = "x";
var lightgrayColor = "lightgray";
var whiteColor = "white";
var restrictedImage = 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var mondo_image_control = null;
var mondo_image_paramBox = null;
var boxUp = false;
var limitSites = true;
var allowedSites = new Array();
allowedSites = aDefaultSites.slice(0);
var allowedExtensions = new Array();
allowedExtensions = aDefaultExtensions.slice(0);
var limitUsers = false;
var allowedUsers = new Array();
var limitText = false;
var allowedText = new Array();
var masterSwitchSet = false;
var aSearchSites = new Array();
var aSearchExtensions = new Array();
var aSearchUsers = new Array();
var aSearchText = new Array();
var aSearchBadSites = new Array();
var aSearchBadUsers = new Array();

var cutePinkBoxFromHell = false;
var clickAreaWidth = 20;
var clickAreaOffset = 0;
var clickAreaDirection = "both";
var clickAreaClicks = 2;
var clickAreaSeconds = 3;
var limitMaxWidth = defaultLimitMaxWidth;
var limitMaxHeight = defaultLimitMaxHeight;
var excludeSites = false;
var notAllowedSites = new Array();
var excludeUsers = false;
var notAllowedUsers = new Array();
var flagRestricted = false;

// save custom image settings
function saveInfoToStore()
{
	GM_setValue("allowedExtensions", allowedExtensions.join(","));
	GM_setValue("limitSites", limitSites ? trueText : falseText);
	GM_setValue("allowedSites", allowedSites.join(","));
	GM_setValue("limitUsers", limitUsers ? trueText : falseText);
	GM_setValue("allowedUsers", allowedUsers.join(","));
	GM_setValue("limitText", limitText ? trueText : falseText);
	GM_setValue("allowedText", allowedText.join(","));
	GM_setValue("masterSwitchSet", masterSwitchSet ? trueText : falseText);

	GM_setValue("cutePinkBoxFromHell", cutePinkBoxFromHell ? trueText : falseText);
	GM_setValue("clickAreaWidth", clickAreaWidth);
	GM_setValue("clickAreaOffset", clickAreaOffset);
	GM_setValue("clickAreaDirection", clickAreaDirection);
	GM_setValue("clickAreaClicks", clickAreaClicks);
	GM_setValue("clickAreaSeconds", clickAreaSeconds);
	GM_setValue("limitMaxWidth", limitMaxWidth);
	GM_setValue("limitMaxHeight", limitMaxHeight);
	GM_setValue("excludeSites", excludeSites ? trueText : falseText);
	GM_setValue("notAllowedSites", notAllowedSites.join(","));
	GM_setValue("excludeUsers", excludeUsers ? trueText : falseText);
	GM_setValue("notAllowedUsers", notAllowedUsers.join(","));
	GM_setValue("flagRestricted", flagRestricted ? trueText : falseText);
}

// load existing image settings and process them
function loadStoredInfo()
{
	var miParam = GM_getValue("limitSites", xText);
	if (miParam != xText)
	{
		limitSites = (miParam === trueText ? true : false);
	}
	miParam = GM_getValue("allowedSites", xText);
	if (miParam != xText)
	{
		allowedSites = miParam.split(",");
	}
	miParam = GM_getValue("allowedExtensions", xText);
	if (miParam != xText)
	{
		allowedExtensions = miParam.split(",");
	}
	miParam = GM_getValue("limitUsers", xText);
	if (miParam != xText)
	{
		limitUsers = (miParam === trueText ? true : false);
	}
	miParam = GM_getValue("allowedUsers", xText);
	if (miParam != xText)
	{
		allowedUsers = miParam.split(",");
	}
	miParam = GM_getValue("limitText", xText);
	if (miParam != xText)
	{
		limitText = (miParam === trueText ? true : false);
	}
	miParam = GM_getValue("allowedText", xText);
	if (miParam != xText)
	{
		allowedText = miParam.split(",");
	}
	miParam = GM_getValue("masterSwitchSet", xText);
	if (miParam != xText)
	{
		masterSwitchSet = (miParam === trueText ? true : false);
	}

	miParam = GM_getValue("cutePinkBoxFromHell", xText);
	if (miParam != xText)
	{
		cutePinkBoxFromHell = (miParam === trueText ? true : false);
	}
	else
	{
		GM_setValue("cutePinkBoxFromHell", cutePinkBoxFromHell);
	}
	miParam = GM_getValue("clickAreaWidth", xText);
	if (miParam != xText)
	{
		clickAreaWidth = miParam;
	}
	else
	{
		GM_setValue("clickAreaWidth", clickAreaWidth);
	}
	miParam = GM_getValue("clickAreaOffset", xText);
	if (miParam != xText)
	{
		clickAreaOffset = miParam;
	}
	else
	{
		GM_setValue("clickAreaOffset", clickAreaOffset);
	}
	miParam = GM_getValue("clickAreaDirection", xText);
	if (miParam != xText)
	{
		clickAreaDirection = miParam;
	}
	else
	{
		GM_setValue("clickAreaDirection", clickAreaDirection);
	}
	miParam = GM_getValue("clickAreaClicks", xText);
	if (miParam != xText)
	{
		clickAreaClicks = miParam;
	}
	else
	{
		GM_setValue("clickAreaClicks", clickAreaClicks);
	}
	miParam = GM_getValue("clickAreaSeconds", xText);
	if (miParam != xText)
	{
		clickAreaSeconds = miParam;
	}
	else
	{
		GM_setValue("clickAreaSeconds", clickAreaSeconds);
	}
	miParam = GM_getValue("limitMaxWidth", xText);
	if (miParam != xText)
	{
		limitMaxWidth = miParam;
	}
	miParam = GM_getValue("limitMaxHeight", xText);
	if (miParam != xText)
	{
		limitMaxHeight = miParam;
	}
	var miParam = GM_getValue("excludeSites", xText);
	if (miParam != xText)
	{
		excludeSites = (miParam === trueText ? true : false);
	}
	miParam = GM_getValue("notAllowedSites", xText);
	if (miParam != xText)
	{
		notAllowedSites = miParam.split(",");
	}
	var miParam = GM_getValue("excludeUsers", xText);
	if (miParam != xText)
	{
		excludeUsers = (miParam === trueText ? true : false);
	}
	miParam = GM_getValue("notAllowedUsers", xText);
	if (miParam != xText)
	{
		notAllowedUsers = miParam.split(",");
	}
	miParam = GM_getValue("flagRestricted", xText);
	if (miParam != xText)
	{
		flagRestricted = (miParam === trueText ? true : false);
	}
}

function showActiveStates()
{
	var sNode = document.getElementById("mondo_image_extensionlist");
	sNode.style.backgroundColor = (sNode.disabled ? lightgrayColor : whiteColor);
	var checkNode = document.getElementById("mondo_image_sitefilter");
	sNode = document.getElementById("mondo_image_sitelist");
	checkNode.style.backgroundColor = (checkNode.disabled ? lightgrayColor : whiteColor);
	sNode.style.backgroundColor = (sNode.disabled ? lightgrayColor : whiteColor);
	checkNode = document.getElementById("mondo_image_userfilter");
	sNode = document.getElementById("mondo_image_userlist");
	checkNode.style.backgroundColor = (checkNode.disabled ? lightgrayColor : whiteColor);
	sNode.style.backgroundColor = (sNode.disabled ? lightgrayColor : whiteColor);
	checkNode = document.getElementById("mondo_image_textfilter");
	sNode = document.getElementById("mondo_image_textlist");
	checkNode.style.backgroundColor = (checkNode.disabled ? lightgrayColor : whiteColor);
	sNode.style.backgroundColor = (sNode.disabled ? lightgrayColor : whiteColor);
	checkNode = document.getElementById("mondo_image_stopsitefilter");
	sNode = document.getElementById("mondo_image_stopsitelist");
	checkNode.style.backgroundColor = (checkNode.disabled ? lightgrayColor : whiteColor);
	sNode.style.backgroundColor = (sNode.disabled ? lightgrayColor : whiteColor);
	checkNode = document.getElementById("mondo_image_stopuserfilter");
	sNode = document.getElementById("mondo_image_stopuserlist");
	checkNode.style.backgroundColor = (checkNode.disabled ? lightgrayColor : whiteColor);
	sNode.style.backgroundColor = (sNode.disabled ? lightgrayColor : whiteColor);
}

// input field enabled or disabled according to controlling checkbox
function setInputStatusByCheckBox(checkBox, inputBox)
{
	var checkNode = document.getElementById(checkBox);
	var sNode = document.getElementById(inputBox);
	if (checkNode.checked == true)
	{
		sNode.disabled = false;
	}
	else
	{
		sNode.disabled = true;
	}
}

function setSiteListStatus(event)
{
	if (event != null)
	{
		event.stopPropagation();
	}
	setInputStatusByCheckBox("mondo_image_sitefilter", "mondo_image_sitelist");
	showActiveStates();
}

function setUserListStatus(event)
{
	if (event != null)
	{
		event.stopPropagation();
	}
	setInputStatusByCheckBox("mondo_image_userfilter", "mondo_image_userlist");
	showActiveStates();
}

function setTextListStatus(event)
{
	if (event != null)
	{
		event.stopPropagation();
	}
	setInputStatusByCheckBox("mondo_image_textfilter", "mondo_image_textlist");
	showActiveStates();
}

function setStopSiteListStatus(event)
{
	if (event != null)
	{
		event.stopPropagation();
	}
	setInputStatusByCheckBox("mondo_image_stopsitefilter", "mondo_image_stopsitelist");
	showActiveStates();
}

function setStopUserListStatus(event)
{
	if (event != null)
	{
		event.stopPropagation();
	}
	setInputStatusByCheckBox("mondo_image_stopuserfilter", "mondo_image_stopuserlist");
	showActiveStates();
}

function disableEverything()
{
	var sNode = document.getElementById("mondo_image_extensionlist");
	sNode.disabled = true;
	var checkNode = document.getElementById("mondo_image_sitefilter");
	checkNode.disabled = true;
	sNode = document.getElementById("mondo_image_sitelist");
	sNode.disabled = true;
	checkNode = document.getElementById("mondo_image_userfilter");
	checkNode.disabled = true;
	sNode = document.getElementById("mondo_image_userlist");
	sNode.disabled = true;
	checkNode = document.getElementById("mondo_image_textfilter");
	checkNode.disabled = true;
	sNode = document.getElementById("mondo_image_textlist");
	sNode.disabled = true;

	checkNode = document.getElementById("mondo_image_stopsitefilter");
	checkNode.disabled = true;
	sNode = document.getElementById("mondo_image_stopsitelist");
	sNode.disabled = true;
	checkNode = document.getElementById("mondo_image_stopuserfilter");
	checkNode.disabled = true;
	sNode = document.getElementById("mondo_image_stopuserlist");
	sNode.disabled = true;

	showActiveStates();
}

function enableControls()
{
	var sNode = document.getElementById("mondo_image_extensionlist");
	sNode.disabled = false;
	var checkNode = document.getElementById("mondo_image_sitefilter");
	checkNode.disabled = false;
	checkNode = document.getElementById("mondo_image_userfilter");
	checkNode.disabled = false;
	checkNode = document.getElementById("mondo_image_textfilter");
	checkNode.disabled = false;
	checkNode = document.getElementById("mondo_image_stopsitefilter");
	checkNode.disabled = false;
	checkNode = document.getElementById("mondo_image_stopuserfilter");
	checkNode.disabled = false;
	setInputStatusByCheckBox("mondo_image_sitefilter", "mondo_image_sitelist");
	setInputStatusByCheckBox("mondo_image_userfilter", "mondo_image_userlist");
	setInputStatusByCheckBox("mondo_image_textfilter", "mondo_image_textlist");
	setInputStatusByCheckBox("mondo_image_stopsitefilter", "mondo_image_stopsitelist");
	setInputStatusByCheckBox("mondo_image_stopuserfilter", "mondo_image_stopuserlist");
	showActiveStates();
}

function updateMasterSwitch(event)
{
	if (event != null)
	{
		event.stopPropagation();
	}
	var checkNode = document.getElementById("mondo_image_masterswitch");
	if (checkNode.checked == true)
	{
		// always force restricted image placeholder reset
		checkNode = document.getElementById("mondo_image_flagRestricted");
		checkNode.checked = false;
		disableEverything();
	}
	else
	{
		enableControls();
	}
}

function massageInput(sInput)
{
	if (!sInput.length)
	{
		return [ "" ];
	}
	sInput = sInput.replace(/;/g, ",");	// semicolons to commas
	while (sInput.match(/(,,)|(,\s+)|(\s+,)/) ||
		sInput.match(/(^\s+)|(\s+$)|(^,)|(,$)/))
	{
		sInput = sInput.replace(/(,,)|(,\s+)|(\s+,)/g, ",");
		sInput = sInput.replace(/(^\s+)|(\s+$)|(^,)|(,$)/g, "");
	}
	if (!sInput.length)
	{
		return [ "" ];
	}
	var aHold = sInput.split(",");
	return aHold;
}

function resetToDefaults(event)
{
	if (event != null)
	{
		event.stopPropagation();
	}
	// force master switch reset
	var checkNode = document.getElementById("mondo_image_masterswitch");
	checkNode.checked = false;
	// force restricted image placeholder reset
	var checkNode = document.getElementById("mondo_image_flagRestricted");
	checkNode.checked = false;
	
	var sNode = document.getElementById("mondo_image_extensionlist");
	sNode.value = aDefaultExtensions.join(",");
	sNode.disabled = false;
	checkNode = document.getElementById("mondo_image_sitefilter");
	checkNode.disabled = false;
	checkNode.checked = true;
	sNode = document.getElementById("mondo_image_sitelist");
	sNode.value = aDefaultSites.join(",");
	sNode.disabled = false;
	checkNode = document.getElementById("mondo_image_userfilter");
	checkNode.disabled = false;
	checkNode.checked = false;
	sNode = document.getElementById("mondo_image_userlist");
	sNode.value = "";
	sNode.disabled = true;
	checkNode = document.getElementById("mondo_image_textfilter");
	checkNode.disabled = false;
	checkNode.checked = false;
	sNode = document.getElementById("mondo_image_textlist");
	sNode.value = "";
	sNode.disabled = true;

	checkNode = document.getElementById("mondo_image_stopsitefilter");
	checkNode.disabled = false;
	checkNode.checked = false;
	sNode = document.getElementById("mondo_image_stopsitelist");
	sNode.value = "";
	sNode.disabled = true;
	checkNode = document.getElementById("mondo_image_stopuserfilter");
	checkNode.disabled = false;
	checkNode.checked = false;
	sNode = document.getElementById("mondo_image_stopuserlist");
	sNode.value = "";
	sNode.disabled = true;
	sNode = document.getElementById("mondo_image_maxHeight");
	sNode.value = defaultLimitMaxHeight;
	sNode = document.getElementById("mondo_image_maxWidth");
	sNode.value = defaultLimitMaxWidth;

	showActiveStates();
}

function gatherInfo()
{
	var sNode = document.getElementById("mondo_image_extensionlist");
	allowedExtensions = massageInput(sNode.value);
	var checkNode = document.getElementById("mondo_image_sitefilter");
	limitSites = checkNode.checked;
	sNode = document.getElementById("mondo_image_sitelist");
	allowedSites = massageInput(sNode.value);
	checkNode = document.getElementById("mondo_image_userfilter");
	limitUsers = checkNode.checked;
	sNode = document.getElementById("mondo_image_userlist");
	allowedUsers = massageInput(sNode.value);
	checkNode = document.getElementById("mondo_image_textfilter");
	limitText = checkNode.checked;
	sNode = document.getElementById("mondo_image_textlist");
	allowedText = massageInput(sNode.value);
	checkNode = document.getElementById("mondo_image_masterswitch");
	masterSwitchSet = checkNode.checked;
	sNode = document.getElementById("mondo_image_maxHeight");
	limitMaxHeight = sNode.value;
	sNode = document.getElementById("mondo_image_maxWidth");
	limitMaxWidth = sNode.value;
	checkNode = document.getElementById("mondo_image_stopsitefilter");
	excludeSites = checkNode.checked;
	sNode = document.getElementById("mondo_image_stopsitelist");
	notAllowedSites = massageInput(sNode.value);
	checkNode = document.getElementById("mondo_image_stopuserfilter");
	excludeUsers = checkNode.checked;
	sNode = document.getElementById("mondo_image_stopuserlist");
	notAllowedUsers = massageInput(sNode.value);
	checkNode = document.getElementById("mondo_image_flagRestricted");
	flagRestricted = checkNode.checked;
}

function saveUserParams(event)
{
	if (event != null)
	{
		event.stopPropagation();
	}
	gatherInfo();
	saveInfoToStore();
	boxUp = false;
//	mondo_image_paramBox.style.width = "0px";
//	mondo_image_paramBox.style.height = "0px";
//	mondo_image_paramBox.style.visibility = "hidden";
	mondo_image_paramBox = mondo_image_paramBox.parentNode.removeChild(mondo_image_paramBox);
}

function cancelParamBox(event)
{
	if (event != null)
	{
		event.stopPropagation();
	}
	showCurrentParams();	// reset to entry status
	boxUp = false;
//	mondo_image_paramBox.style.width = "0px";
//	mondo_image_paramBox.style.height = "0px";
//	mondo_image_paramBox.style.visibility = "hidden";
	mondo_image_paramBox = mondo_image_paramBox.parentNode.removeChild(mondo_image_paramBox);
}

function showCurrentParams()
{
	var sNode = document.getElementById("mondo_image_extensionlist");
	sNode.value = allowedExtensions.join(",");
	var checkNode = document.getElementById("mondo_image_sitefilter");
	checkNode.checked = limitSites;
	sNode = document.getElementById("mondo_image_sitelist");
	sNode.value = allowedSites.join(",");
	checkNode = document.getElementById("mondo_image_userfilter");
	checkNode.checked = limitUsers;
	sNode = document.getElementById("mondo_image_userlist");
	sNode.value = allowedUsers.join(",");
	checkNode = document.getElementById("mondo_image_textfilter");
	checkNode.checked = limitText;
	sNode = document.getElementById("mondo_image_textlist");
	sNode.value = allowedText.join(",");
	sNode = document.getElementById("mondo_image_maxHeight");
	sNode.value = limitMaxHeight;
	sNode = document.getElementById("mondo_image_maxWidth");
	sNode.value = limitMaxWidth;

	checkNode = document.getElementById("mondo_image_stopsitefilter");
	checkNode.checked = excludeSites;
	sNode = document.getElementById("mondo_image_stopsitelist");
	sNode.value = notAllowedSites.join(",");
	checkNode = document.getElementById("mondo_image_stopuserfilter");
	checkNode.checked = excludeUsers;
	sNode = document.getElementById("mondo_image_stopuserlist");
	sNode.value = notAllowedUsers.join(",");
	checkNode = document.getElementById("mondo_image_flagRestricted");
	checkNode.checked = flagRestricted;

	checkNode = document.getElementById("mondo_image_masterswitch");
	checkNode.checked = masterSwitchSet;
	if (masterSwitchSet)
	{
		disableEverything();
	}
	else
	{
		enableControls();
	}
}

function simpleAdvancedSwitch(event)
{
	if (event != null)
	{
		event.stopPropagation();
	}
	var simpleNode = document.getElementById("mondo_image_simple");
	var advancedNode = document.getElementById("mondo_image_advanced");
	var buttonNode = document.getElementById("simpleAdvancedButton");
	var cNode = buttonNode.firstChild;
	if (cNode.nodeValue === "Advanced")
	{
		cNode.nodeValue = "Simple";
		simpleNode.style.width = "0px;"
		simpleNode.style.height = "0px;"
		simpleNode.style.visibility = "hidden";
		advancedNode.style.width = "auto";
		advancedNode.style.height = "auto";
		advancedNode.style.visibility = "visible";
	}
	else
	{
		cNode.nodeValue = "Advanced";
		advancedNode.style.width = "0px;"
		advancedNode.style.height = "0px;"
		advancedNode.style.visibility = "hidden";
		simpleNode.style.width = "auto";
		simpleNode.style.height = "auto";
		simpleNode.style.visibility = "visible";
	}
}

function buildParamBox()
{
	var addHeader =
		'td.mondo_image_basicstyle { margin-left: 120px; }' +
		'td.mondo_image_basicstyle INPUT,td.mondo_image_basicstyle DIV,td.mondo_image_basicstyle SPAN' +
		'{ font: 12px Verdana, Arial, Helvetica, sans-serif; }' +
		'td.mondo_image_basicstyle INPUT' +
		'{ background-color: white }' +
		'td.mondo_image_basicstyle SPAN { color: darkblue }' +
		'.mondo_image_title { font-weight: bold !important; font-size: 18px !important; padding-bottom: 8px; margin-left: 30px; }' +
		'.mondo_image_userinput { margin-left: 30px; margin-right: 16px; width: 400px; }' +
		'.mondo_image_limitinput { width: 70px; }' +
		'.mondo_image_checks { margin-left: 5px; }' +
		'.mondo_image_checktext { line-height: 24px !important; }' +
		'button.mondo_image { width: 80px; position: absolute; bottom: 10px; }';
	var test_style = document.createElement("style");
	test_style.setAttribute('type', 'text/css');
	test_style.innerHTML = addHeader;
	document.getElementsByTagName('head')[0].appendChild(test_style);

	mondo_image_paramBox = document.createElement("td");
	mondo_image_paramBox.className = "mondo_image_basicstyle";
	mondo_image_paramBox.style.lineHeight = "26px";
	mondo_image_paramBox.style.color = "darkblue";
	mondo_image_paramBox.style.position = "fixed";
	mondo_image_paramBox.style.bottom = "40px";
	mondo_image_paramBox.style.left = "5px";
	mondo_image_paramBox.style.backgroundColor = "#FFCFCF";
	mondo_image_paramBox.style.borderColor = "black";
	mondo_image_paramBox.style.borderWidth = "1px";
	mondo_image_paramBox.style.borderStyle = "solid";
	mondo_image_paramBox.style.opacity = ".94";

	var paramBoxHtml =
		'<div class="mondo_image_title">Mondo Image</div>' +
		'<div id="mondo_image_simple">' +
		'<div class="mondo_image_checktext"><span class="mondo_image_checks"></span>Only expand images with these extensions:</div>' +
		'<div><input id="mondo_image_extensionlist" class="mondo_image_userinput" type="text"></div>' +
		'<br>' +
		'<div class="mondo_image_checktext"><span class="mondo_image_checks"><input id="mondo_image_sitefilter" type="checkbox"></span>Only expand images from these sites:</div>' +
		'<div><input id="mondo_image_sitelist" class="mondo_image_userinput" type="text"></div>' +
		'<br>' +
		'<div class="mondo_image_checktext"><span class="mondo_image_checks"><input id="mondo_image_userfilter" type="checkbox"></span>Only expand images in messages from these users:</div>' +
		'<div><input id="mondo_image_userlist" class="mondo_image_userinput" type="text"></div>' +
		'<br>' +
		'<div class="mondo_image_checktext"><span class="mondo_image_checks"><input id="mondo_image_textfilter" type="checkbox"></span>Only expand images in messages containing this text:&nbsp;&nbsp</div>' +
		'<div><input id="mondo_image_textlist" class="mondo_image_userinput" type="text"></div>' +
		'<br>' +
		'<div class="mondo_image_checktext"><span class="mondo_image_checks"><input id="mondo_image_masterswitch" type="checkbox"></span>Turn off image expansion - <b>Master Override</b></div>' +
		'</div>' +
		'<div id ="mondo_image_advanced" style="visibility: hidden; width:0px; height:0px;">' +
		'<div><span class="mondo_image_userinput">Maximum image size&nbsp;&nbsp;&nbsp;Height:&nbsp;' +
		'<input id="mondo_image_maxHeight" class="mondo_image_limitinput" type="text">' +
		'&nbsp;&nbsp;Width:&nbsp;<input id="mondo_image_maxWidth" class="mondo_image_limitinput" type="text"></span></div>' +
		'<br>' +
		'<div class="mondo_image_checktext"><span class="mondo_image_checks"><input id="mondo_image_stopsitefilter" type="checkbox"></span>Never expand images from these sites:</div>' +
		'<div><input id="mondo_image_stopsitelist" class="mondo_image_userinput" type="text"></div>' +
		'<br>' +
		'<div class="mondo_image_checktext"><span class="mondo_image_checks"><input id="mondo_image_stopuserfilter" type="checkbox"></span>Never expand images from these users:</div>' +
		'<div><input id="mondo_image_stopuserlist" class="mondo_image_userinput" type="text"></div>' +
		'<br>' +
		'<div class="mondo_image_checktext"><span class="mondo_image_checks"><input id="mondo_image_flagRestricted" type="checkbox"></span>Show restricted images placeholder with inline image link.</b></div>' +
		'</div>' +
		'</div>' +
		'<br><br>';
	mondo_image_paramBox.innerHTML = paramBoxHtml;

	var resetNode = document.createElement(buttonText);
	resetNode.setAttribute("class", "mondo_image");
	resetNode.style.marginLeft = "30px";
	resetNode.appendChild(document.createTextNode("Reset"));
	var simpleAdvancedNode = document.createElement(buttonText);
	simpleAdvancedNode.setAttribute("class", "mondo_image");
	simpleAdvancedNode.setAttribute("id", "simpleAdvancedButton");
	simpleAdvancedNode.style.marginLeft = "130px";
	simpleAdvancedNode.appendChild(document.createTextNode("Advanced"));
	var saveNode = document.createElement(buttonText);
	saveNode.setAttribute("class", "mondo_image");
	saveNode.style.marginLeft = "250px";
	saveNode.appendChild(document.createTextNode("Save"));
	var cancelNode = document.createElement(buttonText);
	cancelNode.setAttribute("class", "mondo_image");
	cancelNode.style.marginLeft = "350px";
	cancelNode.appendChild(document.createTextNode("Cancel"));
	mondo_image_paramBox.appendChild(resetNode);
	mondo_image_paramBox.appendChild(simpleAdvancedNode);
	mondo_image_paramBox.appendChild(saveNode);
	mondo_image_paramBox.appendChild(cancelNode);
	document.getElementsByTagName('body')[0].appendChild(mondo_image_paramBox);
	var checkNode = document.getElementById("mondo_image_sitefilter");
	checkNode.addEventListener('change', setSiteListStatus, true);
	checkNode = document.getElementById("mondo_image_userfilter");
	checkNode.addEventListener('change', setUserListStatus, true);
	checkNode = document.getElementById("mondo_image_textfilter");
	checkNode.addEventListener('change', setTextListStatus, true);
	checkNode = document.getElementById("mondo_image_masterswitch");
	checkNode.addEventListener('change', updateMasterSwitch, true);
	checkNode = document.getElementById("mondo_image_stopsitefilter");
	checkNode.addEventListener('change', setStopSiteListStatus, true);
	checkNode = document.getElementById("mondo_image_stopuserfilter");
	checkNode.addEventListener('change', setStopUserListStatus, true);
	resetNode.addEventListener('click', resetToDefaults, true);
	simpleAdvancedNode.addEventListener('click', simpleAdvancedSwitch, true);
	saveNode.addEventListener('click', saveUserParams, true);
	cancelNode.addEventListener('click', cancelParamBox, true);
}

function showParamBox(event)
{
	if (event != null)
	{
		event.stopPropagation();
	}
	if (boxUp)
	{
		return;
	}
	boxUp = true;

	if (mondo_image_paramBox == null)
	{
		buildParamBox();
	}
	mondo_image_paramBox.style.width = "auto";
	mondo_image_paramBox.style.height = "auto";
	mondo_image_paramBox.style.visibility = "visible";
	document.getElementsByTagName('body')[0].appendChild(mondo_image_paramBox);
	showCurrentParams();
}

function setSearchRegExp()
{
	aSearchExtensions.length = 0;
	aSearchSites.length = 0;
	aSearchUsers.length = 0;
	aSearchText.length = 0;
	aSearchBadSites.length = 0;
	aSearchBadUsers.length = 0;
	for (var i = 0; i < allowedExtensions.length; i++)
	{
		tString = allowedExtensions[i];
		if (tString.substr(0,1) != ".")
		{
			tString = "." + tString;
		}
		// version 1.3, make file extensions case-insensitive
		aSearchExtensions[i] = new RegExp("\\" + tString + "$", "i");
	}
	for (var i = 0; limitSites && i < allowedSites.length; i++)
	{
		var tString = allowedSites[i];
		tString = tString.replace(/\./g, "\\.");	// ensure '.'s are literal, not wildcard
		tString = tString.replace(/^\*(\\\.)?/, "(\\w+\\.)*");	// remember '.'s already escaped per previous line
		aSearchSites[i] = new RegExp("^(http://)?" + tString + "\\b");
	}
	for (var i = 0; limitUsers && i < allowedUsers.length; i++)
	{
		aSearchUsers[i] = allowedUsers[i];	// exact match
	}
	for (var i = 0; limitText && i < allowedText.length; i++)
	{
		tString = allowedText[i];
		aSearchText[i] = new RegExp("\\b" + tString + "\\b", "i");	// case-insensitive, bounded
	}
	for (var i = 0; excludeSites && i < notAllowedSites.length; i++)
	{
		var tString = notAllowedSites[i];
		tString = tString.replace(/\./g, "\\.");	// ensure '.'s are literal, not wildcard
		tString = tString.replace(/^\*(\\\.)?/, "(\\w+\\.)*");	// remember '.'s already escaped per previous line
		aSearchBadSites[i] = new RegExp("^(http://)?" + tString + "\\b");
	}
	for (var i = 0; excludeUsers && i < notAllowedUsers.length; i++)
	{
		aSearchBadUsers[i] = notAllowedUsers[i];	// exact match
	}
}

function doInlineImages()
{
	if (masterSwitchSet ||
		allowedExtensions.length == 0 ||
		(limitSites && allowedSites.length == 0) ||
		(limitUsers && allowedUsers.length == 0) ||
		(limitText && allowedText.length == 0))
	{
		return;	// no processing
	}
	setSearchRegExp();

	var xpath = "//div[@class='copy' or @class='comments' or @class='comments best']";
	var divNodes = document.evaluate(
		xpath,
		document,
		null,
		XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,
		null
	);
	var startNode = null;
	var aPostText = new Array();
	var aPostLinks = new Array();
	var aPostAnchors = new Array();
	var aExpandLinks = new Array();
	var aExpandAnchors = new Array();
	var aRestrictedLinks = new Array();
	var aRestrictedAnchors = new Array();
	for (var parseLoop = 0; parseLoop < divNodes.snapshotLength; parseLoop++)
	{
		var parseMe = false;
		var aNode = divNodes.snapshotItem(parseLoop);
		if (startNode == null && aNode.getAttribute('class') === "copy")
		{
			// main post
			startNode = aNode;
			parseMe = true;
		}
		else if (startNode != null &&
			(aNode.getAttribute('class') === "comments" || aNode.getAttribute('class') === "comments best"))
		{
			parseMe = true;
		}

		if (parseMe)
		{
			aPostText.length = 0;
			aPostLinks.length = 0;
			aPostAnchors.length = 0;
			var userName = null;
			var cNode = aNode.firstChild;
			while (cNode && (cNode.nodeName != "SPAN" || cNode.getAttribute('class') != "smallcopy"))
			{
				// only check children and grandchildren
				//  this may need to nest deeper as an iterative process
				if (cNode.nodeName === "#text" && cNode.nodeValue)
				{
					aPostText.push(cNode.nodeValue);
				}
				else if (cNode.nodeName === "A")
				{
					aPostAnchors.push(cNode);
					aPostLinks.push(cNode.getAttribute('href'));
				}
				var c2Node = cNode.firstChild;
				while (c2Node)
				{
					if (c2Node.nodeName === "#text" && c2Node.nodeValue)
					{
						aPostText.push(c2Node.nodeValue);
					}
					else if (c2Node.nodeName == "A")
					{
						aPostAnchors.push(c2Node);
						aPostLinks.push(c2Node.getAttribute('href'));
					}
					c2Node = c2Node.nextSibling;
				}
				cNode = cNode.nextSibling;
			}

			if (cNode)
			{
				// footer info
				// minor qualification in case of extensions
				var userHrefText = null;
				var c2Node = cNode.firstChild;
				while (c2Node && (c2Node.nodeName != "A" ||
					userHrefText.match("http://www\.metafilter\.com/user/[0-9]+") === null))
				{
					c2Node = c2Node.nextSibling;
					if (c2Node && c2Node.nodeName === "A")
					{
						userHrefText = c2Node.getAttribute('href');
					}
				}
				var tNode = null;
				if (c2Node)
				{
					// got our "A", get the user name text
					tNode = c2Node.firstChild;
					while (tNode && tNode.nodeName != "#text")
					{
						tNode = tNode.nextSibling;
					}
					if (tNode)
					{
						userName = tNode.nodeValue;
					}
				}
			}

			// process potential IMG's based on body info and user from footer
			// check extensions on links
			var newImage = false;
			for (var i = 0; i < aSearchExtensions.length; i++)
			{
				for (var j = 0; j < aPostLinks.length; j++)
				{
					if (aSearchExtensions[i].test(aPostLinks[j]))
					{
						var excludeInclude = false;	// explicitly excluded or included
						// allowed extension, check if site allowed
						var siteAllowed = !limitSites;
						if (limitSites)
						{
							for (var k = 0; k < aSearchSites.length; k++)
							{
								if (aSearchSites[k].test(aPostLinks[j]))
								{
									siteAllowed = true;
									break;
								}
							}
						}
						if (excludeSites)
						{
							// check the bad guy sites
							for (var k = 0; k < aSearchBadSites.length; k++)
							{
								if (aSearchBadSites[k].test(aPostLinks[j]))
								{
									// don't allow this site
									siteAllowed = false;
									aRestrictedLinks.push(aPostLinks[j]);
									aRestrictedAnchors.push(aPostAnchors[j]);
									excludeInclude = true;
									break;
								}
							}
						}
						if (siteAllowed)
						{
							aExpandLinks.push(aPostLinks[j]);
							aExpandAnchors.push(aPostAnchors[j]);
							excludeInclude = true;
							newImage = true;
						}
						if (!excludeInclude)
						{
							// this site was neither explicitly included or excluded
							//  track it as restricted (excluded), because default condition is excluded
								aRestrictedLinks.push(aPostLinks[j]);
								aRestrictedAnchors.push(aPostAnchors[j]);
						}
					}
				}
			}
			if (!newImage)
			{
				continue;	// no allowed extension/site images
			}
			// check for trigger text
			var showImage = !limitText;
			if (limitText)
			{
				var textBlob = aPostText.join(" ");
				for (var i = 0; i < aSearchText.length; i++)
				{
					if (aSearchText[i].test(textBlob))
					{
						showImage = true;
						break;
					}
				}
			}
			if (!showImage)
			{
				aRestrictedLinks.push(aExpandLinks.pop());	// kill saved image info, save as restricted
				aRestrictedAnchors.push(aExpandAnchors.pop());
				continue;	// no trigger text
			}
			// check for users
			var showImage = !limitUsers;
			if (limitUsers)
			{
				for (var i = 0; i < aSearchUsers.length; i++)
				{
					if (aSearchUsers[i] === userName)
					{
						showImage = true;
						break;
					}
				}
			}
			if (showImage && excludeUsers)
			{
				// stop bad guy users
				for (var i = 0; i < aSearchBadUsers.length; i++)
				{
					if (aSearchBadUsers[i] === userName)
					{
						showImage = false;
						break;
					}
				}
			}
			if (!showImage)
			{
				aRestrictedLinks.push(aExpandLinks.pop());	// kill saved image info, save as restricted
				aRestrictedAnchors.push(aExpandAnchors.pop());
				continue;	// no allowed users
			}
		}
	}
	// display images
	for (var i = 0; i < aExpandLinks.length; i++)
	{
		var startBR = document.createElement("BR");
		var endBR = document.createElement("BR");
		var newIMG = document.createElement("IMG");
		newIMG.setAttribute("src", aExpandLinks[i]);
		if (limitMaxWidth)
		{
			newIMG.style.maxWidth = limitMaxWidth;
		}
		if (limitMaxHeight)
		{
			newIMG.style.maxHeight = limitMaxHeight;
		}
		var pNode = aExpandAnchors[i].parentNode;
		var nextChild = aExpandAnchors[i].nextSibling;
		var newNode = pNode.insertBefore(endBR, nextChild);
		newNode = pNode.insertBefore(newIMG, newNode);
		newNode = pNode.insertBefore(startBR, newNode);
	}

	// display restricted image placeholder
	for (var i = 0; flagRestricted && i < aRestrictedLinks.length; i++)
	{
		var startBR = document.createElement("BR");
		var endBR = document.createElement("BR");
		var newIMG = document.createElement("IMG");
		newIMG.setAttribute("src", restrictedImage);
		newIMG.setAttribute("id", "mondo_image_restricted"+i);
		var newAnchor = document.createElement("A");
		newAnchor.setAttribute("href", "javascript:" +
			"var mondo_image_restricted_sourceLink = '" + aRestrictedLinks[i] + "';" +
			"var mondo_image_restricted_imageNode = document.getElementById('mondo_image_restricted" + i + "');" +
			"mondo_image_restricted_imageNode.setAttribute('src', mondo_image_restricted_sourceLink);"
		);
		newAnchor.appendChild(newIMG);
		var pNode = aRestrictedAnchors[i].parentNode;
		var nextChild = aRestrictedAnchors[i].nextSibling;
		var newNode = pNode.insertBefore(endBR, nextChild);
		newNode = pNode.insertBefore(newAnchor, newNode);
		newNode = pNode.insertBefore(startBR, newNode);
	}
}

function createCutePinkBoxFromHell()
{
	mondo_image_control = document.createElement(buttonText);
	mondo_image_control.appendChild(document.createTextNode("Mondo Image"));
	mondo_image_control.style.position = "fixed";
	mondo_image_control.style.bottom = miBottomPos;
	mondo_image_control.style.left = miLeftPos;
	mondo_image_control.style.fontSize = miFontSize;
	mondo_image_control.style.fontWeight = miFontWeight;
	mondo_image_control.style.color = miColor;
	mondo_image_control.style.opacity = miOpacity;
	mondo_image_control.style.backgroundColor = miBackgroundColor;
}

function handleMouseDown(event)
{
	var targetedArea = false;
	if (clickAreaDirection != "right" &&
		event.clientX > clickAreaOffset &&
		event.clientX < clickAreaOffset + clickAreaWidth)
	{
		targetedArea = true;
	}
	if (clickAreaDirection != "left" &&
		event.clientX > document.body.clientWidth - clickAreaOffset - clickAreaWidth &&
		event.clientX < document.body.clientWidth - clickAreaOffset)
	{
		targetedArea = true;
	}
	if (!targetedArea)
	{
		return;
	}

	var rightNow = new Date();
	var lastTime = rightNow.getTime();
	if (handleMouseDown.timeStamp == null)
	{
		handleMouseDown.timeStamp = 0;
	}
	if (handleMouseDown.timeStamp == 0)
	{
		handleMouseDown.timeStamp = lastTime;
	}
	else if (handleMouseDown.timeStamp + clickAreaSeconds * 1000 < lastTime)
	{
		// reset the clock, count
		handleMouseDown.timeStamp = lastTime;
		handleMouseDown.clickCount = 0;
	}

	if (handleMouseDown.clickCount == null)
	{
		handleMouseDown.clickCount = 0;
	}
	handleMouseDown.clickCount++;
	if (handleMouseDown.clickCount < clickAreaClicks)
	{
		return;
	}
	handleMouseDown.clickCount = 0;
	handleMouseDown.timeStamp = 0;
	showParamBox();
}

function init()
{
	mondo_image_control = document.getElementById("mondo_image_control")
	if (mondo_image_control)
	{
		return;
	}
	GM_setValue("Version", mondoImageVersion);
	loadStoredInfo();

	createCutePinkBoxFromHell();
	if (cutePinkBoxFromHell)
	{
		document.getElementsByTagName('body')[0].appendChild(mondo_image_control);
		mondo_image_control.addEventListener('click', showParamBox, true);
	}

	doInlineImages();
}

function main()
{
	if (!GM_setValue)
	{
		return;
	}
	init();
}

//window.addEventListener("load", main, false );
window.addEventListener("mousedown", handleMouseDown, true);
main();