var tx_dngwhoswho_box = function() {
	var _pub = {
		inherit_frames: false,

		fade_in_speed: 300,
		fade_out_speed: 300,

		attribute_name: 'rel',

		tags_to_hide: ['select', 'embed', 'object'],

		default_width: 460,

		version_number: '2.2',

		build_number: '1612',

		// browser checks		
		is_opera: navigator.userAgent.indexOf('Opera/9') != -1,
		is_ie: navigator.userAgent.indexOf("MSIE ") != -1,
		is_ie6: false /*@cc_on || @_jscript_version < 5.7 @*/,
		is_firefox: navigator.appName == "Netscape" && navigator.userAgent.indexOf("Gecko") != -1 && navigator.userAgent.indexOf("Netscape") == -1,
		is_mac: navigator.userAgent.indexOf('Macintosh') != -1,
	
		checkTags: function(container, tag_name) {
			if (!container) var container = document.body;
			if (!tag_name) var tag_name = 'a';
			var els = container.getElementsByTagName(tag_name);
			for (var i=0; i<els.length; i++) {
				if (els[i].getAttribute(_pub.attribute_name)) {
					var t = els[i].getAttribute(_pub.attribute_name);
					if ((t.indexOf("tx_dngwhoswho_box") != -1) || t.toLowerCase() == "tx_dngwhoswho_box") {
						els[i].onclick = _pub.handleTag;
					}
				}
			}
		},
		
		bind: function(fn) {
				var args = [];
				for (var n=1; n<arguments.length; n++) args.push(arguments[n]);
				return function(e) { return fn.apply(this, [e].concat(args)); };
		},

		html: function(content, params) {
			if (content === undefined) return els.wrapper;
			if (params === undefined) var params = {};
			if (!active.is_loaded) return;
			_pub.clear();

			_pub.updateObject(els.wrapper.style, {display: 'block', visibility: 'hidden', left: 0, top: 0, height: '', width: ''});
			
			if (typeof(content) == 'string') {
				els.wrapper.innerHTML = content;
			}
			else {
				els.wrapper.appendChild(content);
			}

			var pagesize = _pub.getPageSize();

			if (params.can_resize === undefined) params.can_resize = true;
			if (params.fade_in === undefined) params.use_fade = true;

			if (params.fullscreen) {
				params.width = '100%';
				params.height = '100%';
			}
			
			offset.container = [els.wrapper.offsetLeft*2, els.wrapper.offsetTop*2];
			offset.wrapper = [els.wrapper.offsetWidth-els.wrapper.offsetWidth, els.wrapper.offsetHeight-els.wrapper.offsetHeight];

			offset.wrapper[1] += 4;

			if (params.width) var width = params.width;
			else var width = _pub.default_width;

			if (params.height) var height = params.height;
			else {
				els.wrapper.style.height = '100%';
				var height = els.wrapper.offsetHeight + 12;
				els.wrapper.style.height = '';
			}
			active.dimensions = [width, height];
			active.params = params;
			_pub.reposition();

			for (var i=0; i<_pub.tags_to_hide.length; i++) {
				showTags(_pub.tags_to_hide[i], els.wrapper);
			}

			els.wrapper.style.visibility = 'visible';
		},
		
		clear: function() {
			while (els.wrapper.firstChild) els.wrapper.removeChild(els.wrapper.firstChild);
		},
		
		show: function(text, title, params) {
			showInit(title, params, function() {
				_pub.html(text, active.params);
			});
		},

		showURL: function(url, title, params) {
			showInit(title, params, function() {
				for (var i=0; i<_pub.plugins.list.length; i++) {
					var plugin = _pub.plugins.list[i];
					if (plugin.match(url)) {
						active.plugin = plugin;
						plugin.render(url, active.params);
						break;
					}
				}
			});
		},

		hide: function() {
			if (active.plugin) {
				if (active.plugin.unload) active.plugin.unload();
			}
			active = {}
			_pub.clear();

			for (var i=0; i<_pub.tags_to_hide.length; i++)
			{showTags(_pub.tags_to_hide[i]);}

			els.wrapper.style.display = 'none';
			_pub.fade(els.overlay, _pub.getOpacity(null, els.overlay), 0, _pub.fade_out_speed, function() { els.overlay.style.display = 'none';});
			_pub.fireEvent('hide');
		},

		reposition: function() {
			if (!active.is_loaded) return;

			if (active.dimensions) {
				var pagesize = _pub.getPageSize();

				var width = active.dimensions[0];
				var height = active.dimensions[1];
				
				if (height.toString().indexOf('%') != -1) {
					els.wrapper.style.height = (Math.max(document.documentElement.clientHeight, document.body.clientHeight, pagesize.height) - offset.container[0])*(parseInt(height)/100) + 'px';
				}
				else if (height) {
					els.wrapper.style.height = els.wrapper.offsetHeight + offset.wrapper[1] + 'px';
				}
				else {
					els.wrapper.style.height = els.wrapper.offsetHeight + offset.wrapper[1] + 'px';
				}
				var container_offset = (els.wrapper.offsetHeight - els.wrapper.firstChild.offsetHeight);
				if (width.toString().indexOf('%') != -1) {
					els.wrapper.style.width = (Math.max(document.documentElement.clientWidth, document.body.clientWidth, pagesize.width) - offset.container[1])*(parseInt(width)/100) + 'px';
					var container_offset = 0;
				}
				else {
					els.wrapper.style.width = width + 'px';
					els.wrapper.style.width = els.wrapper.offsetWidth + offset.wrapper[0] + 'px';
				}

//				_pub.updateObject(els.wrapper.style, {width: '', height: ''});

				var width = parseInt(els.wrapper.style.width);
				var height = parseInt(els.wrapper.style.height);

				if (active.params.can_resize) {
					var x = pagesize.width;
					var y = pagesize.height;
					
					x -= offset.container[0];
					y -= offset.container[1];
					if (width > x) {
						if (active.params.constrain) height = height * (x/width);
						width = x;
					}
					if (height > y) {
						if (active.params.constrain) width = width * (y/height);
						height = y;
					}
					_pub.updateObject(els.wrapper.style, {width: width + 'px', height: height + 'px'});
				}

				if (active.dimensions != ['100%', '100%']) _pub.center(els.wrapper);
			}
			
			els.overlay.style.height = Math.max(document.body.clientHeight, document.documentElement.clientHeight) + 'px';
		},

		updateObject: function(obj, params) {
			for (var i in params) obj[i] = params[i];
		},

		center: function(obj) {
			var pageSize = _pub.getPageSize();
			var scrollPos = _pub.getScrollPos();
			var emSize = _pub.getElementSize(obj);
			var x = Math.round((pageSize.width - emSize.width) / 2 + scrollPos.scrollX);
			var y = Math.round((pageSize.height - emSize.height) / 2 + scrollPos.scrollY);
			if (obj.offsetLeft) x -= obj.offsetLeft;
			if (obj.offsetTop) y -= obj.offsetTop;
			if (obj.style.left) x += parseInt(obj.style.left);
			if (obj.style.top) y += parseInt(obj.style.top);

			x -= 10;
			_pub.updateObject(obj.style, {top: y + 'px', left: x + 'px'});
		},
		
		getStyle: function(obj, styleProp) {
			if (obj.currentStyle)
				return obj.currentStyle[styleProp];
			else if (window.getComputedStyle)
				return document.defaultView.getComputedStyle(obj,null).getPropertyValue(styleProp);
		},

		getScrollPos: function() {
			var docElem = document.documentElement;
			return {
				scrollX: document.body.scrollLeft || window.pageXOffset || (docElem && docElem.scrollLeft),
				scrollY: document.body.scrollTop || window.pageYOffset || (docElem && docElem.scrollTop)
			};
		},

		getPageSize: function() {
			return {
				width: window.innerWidth || (document.documentElement && document.documentElement.clientWidth) || document.body.clientWidth,
				height: window.innerHeight || (document.documentElement && document.documentElement.clientHeight) || document.body.clientHeight
			};
		},

		getElementSize: function(obj) {
			return {
				width: obj.offsetWidth || obj.style.pixelWidth,
				height: obj.offsetHeight || obj.style.pixelHeight
			};
		},
		
		fade: function(obj, start, end, speed, callback) {
			if (start === undefined || !(start >= 0) || !(start <= 100)) var start = 0;
			if (end === undefined || !(end >= 0) || !(end <= 100)) var end = 100;
			if (speed === undefined) var speed = 0;

			if (obj.fader) clearInterval(obj.fader);

			if (!speed) {
				_pub.setOpacity(null, obj, end);
				if (callback) callback();
			}
			
			var opacity_difference = end - start; 
			var time_total = speed;
			var step_size = 25;
			var steps = time_total / step_size; // total number of steps
			var increment = Math.ceil(opacity_difference / steps); // how much to incr per step
			
			obj.fader = setInterval(_pub.bind(function(e, obj, increment, end, callback) {
				var opacity = _pub.getOpacity(e, obj) + increment;
				_pub.setOpacity(e, obj, opacity);
				if ((increment < 0 && opacity <= end) || (increment > 0 && opacity >= end)) {
					_pub.setOpacity(e, obj, end);
					clearInterval(obj.fader);
					if (callback) callback();
				}
			}, obj, increment, end, callback), step_size);
		},

		setOpacity: function(e, obj, value) {
			value = Math.round(value);
			obj.style.opacity = value/100;
			obj.style.filter = 'alpha(opacity=' + value + ')';
		},
		
		getOpacity: function(e, obj) {
			return _pub.getStyle(obj, 'opacity')*100;
		},
		
		createXMLHttpRequest: function() {
			var http;
			if (window.XMLHttpRequest) { // Mozilla, Safari,...
				http = new XMLHttpRequest();
				if (http.overrideMimeType) {
					http.overrideMimeType('text/html');
				}
			}
			else if (window.ActiveXObject) { // IE
				try {
					http = new ActiveXObject("Msxml2.XMLHTTP");
				} catch (e) {
					try {
						http = new ActiveXObject("Microsoft.XMLHTTP");
					} catch (e) {}
				}
			}
			if (!http) {
				alert('Cannot create XMLHTTP instance');
				return false;
			}
			return http;
		},
		
		addEvent: function(obj, evType, fn) {
			if (obj.addEventListener) {
				obj.addEventListener(evType, fn, false);
				return true;
			}
			else if (obj.attachEvent) {
				var r = obj.attachEvent("on"+evType, fn);
				return r;
			}
			else {
				return false;
			}
		},
		
		addEventListener: function(name, callback) {
			if (!events[name]) events[name] = new Array();
			events[name].push(callback);
		},
		
		fireEvent: function(name) {
				if (events[name] && events[name].length) {
					for (var i=0; i<events[name].length; i++) {
						var args = [];
						for (var n=1; n<arguments.length; n++) args.push(arguments[n]);
						if (events[name][i](args) === false) break;
					}
				}
		},
		
		/**
		 * Parses the arguments in the rel attribute
		 * @param {String} query
		 */
		parseQuery: function(query) {
			 var params = new Object();
			 if (!query) return params; 
			 var pairs = query.split(/[;&]/);
			 var end_token;
			 for (var i=0; i<pairs.length; i++) {
					var keyval = pairs[i].split('=');
					if (!keyval || keyval.length != 2) continue;
					var key = unescape(keyval[0]);
					var val = unescape(keyval[1]);
					val = val.replace(/\+/g, ' ');
					if (val[0] == '"') var token = '"';
					else if (val[0] == "'") var token = "'";
					else var token = null;
					if (token) {
						if (val[val.length-1] != token) {
							do {
								i += 1;
								val += '&'+pairs[i];
							}
							while ((end_token = pairs[i][pairs[i].length-1]) != token)
						}
						val = val.substr(1, val.length-2);
					}
					if (val == 'true') val = true;
					else if (val == 'false') val = false;
					else if (val == 'null') val = null;
					params[key] = val;
			 }
			 return params;
		},

		handleTag: function(e) {
			var t = this.getAttribute('rel');
			var params = _pub.parseQuery(t.substr(5,999));
			if (params.target) var url = params.target;
			else if (this.target && !params.ignore_target) var url = this.target;
			else var url = this.href;
			var title = this.title;
			if (_pub.inherit_frames && window.parent) window.parent.tx_dngwhoswho_box.showURL(url, title, params);
			else _pub.showURL(url, title, params);
			return false;
		},
		
		plugins: {
			list: new Array(),
			register: function(func, last) {
				if (last === undefined) var last = false;
				if (!last) {
					_pub.plugins.list = [func].concat(_pub.plugins.list);
				}
				else {
					_pub.plugins.list.push(func);
				}
			}
		}
	};
	
	var active = {};

	var events = {};

	var els = {};
	
	var offset = {};
	
	var create = function(elem) {
		pagesize = _pub.getPageSize();

		els.container = document.createElement('div');
		els.container.id = 'tx_dngwhoswho_box';

		els.overlay = document.createElement('div');
		els.overlay.style.display = 'none';
		_pub.setOpacity(null, els.overlay, 0);

		els.overlay.id = 'tx_dngwhoswho_box_overlay';
		els.overlay.onclick = _pub.hide;
		els.container.appendChild(els.overlay);

		els.wrapper = document.createElement('div')
		els.wrapper.id = 'tx_dngwhoswho_contener';
		_pub.updateObject(els.wrapper.style, {position:'absolute', top:0, left:0, display:'none', marginTop:'30px', marginLeft:'30px', zIndex:1});
	
		var linker = document.getElementById("tx_dngwhoswho_box_close");
		if(linker) {
			linker.href = 'javascript:void(0);';
			linker.onclick = _pub.hide;
		}
	
		els.container.appendChild(els.wrapper);

		elem.appendChild(els.container);
				
		_pub.updateObject(els.wrapper.style, {right: '', bottom: ''});
		
		return els.container;
	};
	
	var hideTags = function(tag, container) {
		if (container === undefined) var container = document.body;
		var list = container.getElementsByTagName(tag);
		for (var i=0; i<list.length; i++) {
			if (_pub.getStyle(list[i], 'visibility') != 'hidden' && list[i].style.display != 'none') {
				list[i].style.visibility = 'hidden';
				list[i].wasHidden = true;
			}
		}
	};
	
	var showTags = function(tag, container) {
		if (container === undefined) var container = document.body;
		var list = container.getElementsByTagName(tag);
		for (var i=0; i<list.length; i++) {
			if (list[i].wasHidden) {
				list[i].style.visibility = 'visible';
				list[i].wasHidden = null;
			}
		}
	};
	
	var showInit = function(title, params, callback) {
		if (!_initialized) initialize();
		if (params === undefined) var params = {};
		if (active.plugin) _pub.hide();

		active.is_loaded = true;
		active.params = params;
		
		for (var i=0; i<_pub.tags_to_hide.length; i++) {
			hideTags(_pub.tags_to_hide[i]);
		}

		els.overlay.style.display = "block";
		
		var amount = 50;
		_pub.fade(els.overlay, _pub.getOpacity(null, els.overlay), amount, _pub.fade_in_speed, callback);
		
		_pub.fireEvent('show');
	};
	
	var _initialized = false;
	var initialize = function() {
		if (_initialized) return;
		_initialized = true;

		create(document.body);
		_pub.checkTags(document.body, 'a');
		_pub.http = _pub.createXMLHttpRequest();
		_pub.fireEvent('load');
	};
	
	_pub.addEvent(window, 'keypress', function(e){ if (e.keyCode == (window.event ? 27 : e.DOM_VK_ESCAPE)) { tx_dngwhoswho_box.hide(); }});
	_pub.addEvent(window, 'resize', _pub.reposition);
	_pub.addEvent(window, 'load', initialize);
	_pub.addEvent(window, 'scroll', _pub.reposition);

	var iBoxPlugin_Container = function() {
		var was_error = false;
		var original_wrapper = null;

		return {
			match: function(url) {
				return url.indexOf('#') != -1;
			},

			unload: function() {
				if (was_error) return;
				var elemSrc = _pub.html().firstChild;
				if (elemSrc) {
					elemSrc.style.display = 'none';
					original_wrapper.appendChild(elemSrc);
				}
			},

			render: function(url, params) {
				was_error = false;
				var elemSrcId = url.substr(url.indexOf("#") + 1);
				var elemSrc = document.getElementById(elemSrcId);

				if (!elemSrc) {
					was_error = true;
					_pub.html(document.createTextNode('There was an error loading the document.'), params);
				}
				else {
					original_wrapper = elemSrc.parentNode;
					elemSrc.style.display = 'block';
					_pub.html(elemSrc, params);
				}
			}
		}
	}();
	_pub.plugins.register(iBoxPlugin_Container, true);

	var iBoxPlugin_Image = function() {
		var image_types = /\.jpg|\.jpeg|\.png|\.gif/gi;

		return {
			match: function(url) {
				return url.match(image_types);
			},

			render: function(url, params) {	
				var img = document.createElement('img');
				img.onclick = _pub.hide;
				img.className = 'ibox_image'
				img.style.cursor = 'pointer';
				img.onload = function() {
					_pub.html(img, {width: this.width, height: this.height, constrain: true})
				}
				img.onerror = function() {
					_pub.html(document.createTextNode('There was an error loading the document.'), params);
				}
				img.src = url;
			}
		}
	}();
	_pub.plugins.register(iBoxPlugin_Image);

	return _pub;
}();

function redefine_link(id) {
	var lien = document.getElementById("tx_dngwhoswho_link-"+id);
	if(lien!=null) {
		lien.href="#tx_dngwhoswho_box-"+id;
	}
}