(function() {

	window.mcFileManager = {

		callSettings : null,

		args : null,

		baseURL : null,

		settings : {

			document_base_url : null,

			relative_urls : false,

			remove_script_host : false,

			use_url_path : true,

			path : null,

			rootpath : null,

			remember_last_path : 'auto',

			custom_data : null,

			target_elements : '',

			target_form : '',

			handle : 'file'

		},



		init : function(s) {

			this.settings = this.merge(s, this.settings);

		},



		preInit : function() {

			var baseDir = document.location.href;



			if (baseDir.indexOf('?') != -1)

				baseDir = baseDir.substring(0, baseDir.indexOf('?'));



			baseDir = baseDir.substring(0, baseDir.lastIndexOf('/') + 1);



			this.settings.document_base_url = unescape(baseDir);

		},



		merge : function(s, a) {

			var n, o = {};



			for (n in a)

				o[n] = a[n];



			if (s) {

				for (n in s)

					o[n] = s[n];

			}



			return o;

		},



		filebrowserCallBack : function(field_name, url, type, win, asked) {

			var s, i, hl, fo;



			function getParam(n, d) {

				if (tinyMCE.getParam)

					return tinyMCE.getParam(n, d);

				else

					return tinyMCE.activeEditor.getParam(n, d);

			};



			// Is image manager included, ask it first

			if (window.mcImageManager && !asked) {

				hl = mcImageManager.settings.handle;



				hl = hl.split(',');

				for (i=0; i<hl.length; i++) {

					if (type == hl[i])

						fo = 1;

				}



				if (fo && mcImageManager.filebrowserCallBack(field_name, url, type, win, 1))

					return;

			}



			// Save away

			this.field = field_name;

			this.callerWindow = win;

			this.inTinyMCE = true;



			// Setup instance specific settings

			s = {

				path : getParam("filemanager_path"),

				rootpath : getParam("filemanager_rootpath"),

				remember_last_path : getParam("filemanager_remember_last_path"),

				custom_data : getParam("filemanager_custom_data"),

				document_base_url : getParam("document_base_url"),

				insert_filter : getParam("filemanager_insert_filter"),

				is_callback : true

			};



			// Open browser

			this.open(0, field_name, url, function(url, info) {

				mcFileManager.insertFileToTinyMCE(url, info);

			}, s);



			return true;

		},



		insertFileToTinyMCE : function(url, info) {

			var url, f = this.callerWindow.document.forms[0], names = ['alt', 'title', 'linktitle'], i;



			// Handle old and new style

			if (typeof(TinyMCE_convertURL) != "undefined")

				url = TinyMCE_convertURL(url, null, true);

			else if (tinyMCE.convertURL)

				url = tinyMCE.convertURL(url, null, true);

			else

				url = tinyMCE.activeEditor.convertURL(url, null, true);



			// Set URL

			f.elements[this.field].value = url;



			// Set alt and title info

			if (info.custom && info.custom.description) {

				for (i=0; i<names.length; i++) {

					if (f.elements[names[i]])

						f.elements[names[i]].value = info.custom.description;

				}

			}



			// Try to fire the onchange event

			try {

				f.elements[this.field].onchange();

			} catch (e) {

				// Skip it

			}

		},



		selectFile : function(d) {

			this.insertFileToForm(d);

		},



		insertFileToForm : function(d) {

			var t = this, s = t.merge(t.callSettings, t.settings), elements, i, elm, base, f, url;



			if (s.insert_filter)

				s.insert_filter(d);



			url = d.url;



			// Convert to relative

			if (s.relative_urls) {

				url = this.parseURL(url);

				base = this.parseURL(s.document_base_url);

				url = this.absToRel(base.path, url.path) + (url.query ? "?" + url.query : '') + (url.hash ? "#" + url.hash : '');

			}



			// Remove proto and host

			if (s.remove_script_host)

				url = this.removeHost(url);



			if (s.insert_callback) {

				s.insert_callback(url, d);

				return;

			}



			// Set URL to all form fields

			if (s.target_elements) {

				elements = s.target_elements.split(',');



				for (i=0; i<elements.length; i++) {

					f = document.forms[s.target_form];



					if (f)

						elm = f.elements[elements[i]];

					else

						elm = document.getElementById(elements[i]);



					if (!elm)

						continue;



					if (elm && typeof elm != "undefined")

						elm.value = url;



					// Try to fire the onchange event

					try {

						elm.onchange();

					} catch (e) {

						// Skip it

					}

				}

			}

		},



		removeHost : function(url) {

			return url.replace(/^(\w+:\/\/)([^\/]+)/, '');

		},



		parseURL : function(u, b) {

			var l = document.location;



			// Force absolute

			if (u.indexOf('://') == -1) {

				if (!b)

					b = l.pathname;



				if (u.charAt(0) != '/')

					u = this.relToAbs(b.replace(/\/[^\/]+$/, ''), u);



				u = l.protocol + '//' + l.host + (l.port ? ':' + l.port : '') + u;

			}



			u = /^((\w+):\/\/)?((\w+):?(\w+)?@)?([^\/\?:]+):?(\d+)?(\/?[^\?#]+)?\??([^#]+)?#?(\w*)/.exec(u);



			return {

				protocol : u[2],

				username : u[3],

				password : u[4],

				host : u[5],

				port : u[6],

				domain : u[7],

				path : u[8],

				query : u[9],

				hash : u[10]

			};

		},



		absToRel : function(base_url, url_to_relative) {

			var strTok1, strTok2, breakPoint = 0, outputString = "", i;



			// Crop away last path part

			base_url = base_url.substring(0, base_url.lastIndexOf('/'));

			strTok1 = base_url.split('/');

			strTok2 = url_to_relative.split('/');



			if (strTok1.length >= strTok2.length) {

				for (i=0; i<strTok1.length; i++) {

					if (i >= strTok2.length || strTok1[i] != strTok2[i]) {

						breakPoint = i + 1;

						break;

					}

				}

			}



			if (strTok1.length < strTok2.length) {

				for (i=0; i<strTok2.length; i++) {

					if (i >= strTok1.length || strTok1[i] != strTok2[i]) {

						breakPoint = i + 1;

						break;

					}

				}

			}



			if (breakPoint == 1)

				return url_to_relative;



			for (i=0; i<(strTok1.length-(breakPoint-1)); i++)

				outputString += "../";



			for (i=breakPoint-1; i<strTok2.length; i++) {

				if (i != (breakPoint-1))

					outputString += "/" + strTok2[i];

				else

					outputString += strTok2[i];

			}



			return outputString;

		},



		relToAbs : function(base_path, rel_path) {

			var end = '', i, newBaseURLParts = [], newRelURLParts = [], numBack, len, absPath;



			rel_path = rel_path.replace(/[?#].*$/, function(a) {

				end = a;



				return '';

			});



			// Split parts

			baseURLParts = base_path.split('/');

			relURLParts = rel_path.split('/');



			// Remove empty chunks

			for (i=baseURLParts.length-1; i>=0; i--) {

				if (baseURLParts[i].length == 0)

					continue;



				newBaseURLParts[newBaseURLParts.length] = baseURLParts[i];

			}



			baseURLParts = newBaseURLParts.reverse();



			// Merge relURLParts chunks

			numBack = 0;

			for (i=relURLParts.length-1; i>=0; i--) {

				if (relURLParts[i].length == 0 || relURLParts[i] == ".")

					continue;



				if (relURLParts[i] == '..') {

					numBack++;

					continue;

				}



				if (numBack > 0) {

					numBack--;

					continue;

				}



				newRelURLParts[newRelURLParts.length] = relURLParts[i];

			}



			relURLParts = newRelURLParts.reverse();



			// Remove end from absolute path

			len = baseURLParts.length-numBack;

			absPath = (len <= 0 ? "" : "/") + baseURLParts.slice(0, len).join('/') + "/" + relURLParts.join('/');



			return absPath + end;

		},



		getArgs : function() {

			return this.args;

		},



		/**#@-*/



		openInIframe : function(iframe_id, form_name, element_names, file_url, js, s) {

			this.settings.iframe = iframe_id;

			this.open(form_name, element_names, file_url, js, s);

		},



		open : function(form_name, element_names, file_url, js, s) {

			var x, y, w, h, win, val, pa = '';



			s = this.merge(s, this.settings);



			w = 800;

			h = 500;

			x = parseInt(screen.width / 2.0) - (w / 2.0);

			y = parseInt(screen.height / 2.0) - (h / 2.0);



			if (document.attachEvent) {

				// Pesky MSIE + XP SP2

				w += 15;

				h += 35;

			}



			this.args = {

				path : s.path,

				rootpath : s.rootpath,

				custom_data : s.custom_data,

				remember_last_path : s.remember_last_path

			};



			if (((form_name && element_names) || file_url) && s.use_url_path) {

				val = file_url ? file_url : document.forms[form_name].elements[element_names.split(',')[0]].value;



				if (val)

					this.args.url = this.parseURL(val, this.parseURL(s.document_base_url).path).path;

			}



			s.target_form = form_name;

			s.target_elements = element_names;

			s.insert_callback = typeof(js) == 'function' ? js : eval(js);



			this.callSettings = s;

			if (window.mcImageManager)

				mcImageManager.callSettings = s;



			if (s.session_id)

				pa += '&sessionid=' + s.session_id;



			if (s.custom_data)

				pa += '&custom_data=' + escape(s.custom_data);



			if (s.iframe) {

				win = document.getElementById(s.iframe);

				win.contentWindow.document.location = this.getBaseURL() + '/../index.php?type=fm';

				return;

			} else if (window.tinymce && tinyMCE.activeEditor)

				tinyMCE.activeEditor.windowManager.open({url : this.getBaseURL() + '/../index.php?type=fm' + pa, width : w, height : h, resizable : 1, scrollbars : 1, statusbar : 0, inline : 1});

			else

				win = window.open(this.getBaseURL() + '/../index.php?type=fm' + pa, 'mcFileManagerWin', 'left=' + x + ',top=' + y + ',width=' + w + ',height=' + h + ',scrollbars=yes,resizable=yes,statusbar=no');

		},



		getBaseURL : function() {

			if (this.baseURL)

				return this.baseURL;



			// If loaded using TinyMCE 3.x and XHR requests

			if (window.tinymce && tinymce.PluginManager && tinymce.PluginManager.urls['filemanager'])

				return this.baseURL = tinymce.PluginManager.urls['filemanager'] + '/js';



			return this.baseURL = this.findBaseURL(/mcfilemanager\.js/g);

		},



		findBaseURL : function(k) {

			var o, d = document, cp = [];



			function get(nl) {

				var i, n;



				for (i=0; i<nl.length; i++) {

					n = nl[i];



					cp.push(n);



					if (n.src && k.test(n.src))

						return n.src.substring(0, n.src.lastIndexOf('/'));

				}

			};



			o = d.documentElement;

			if (o && (o = get(o.getElementsByTagName('script'))))

				return o;



			o = d.getElementsByTagName('script');

			if (o && (o = get(o)))

				return o;



			o = d.getElementsByTagName('head')[0];

			if (o && (o = get(o.getElementsByTagName('script'))))

				return o;



			return null;

		}

	};



	mcFileManager.preInit();

})();