266 		updateObject: function(obj, params) {  argument
267 			for (var i in params) obj[i] = params[i];
274 		center: function(obj) {  argument
277 			var emSize = _pub.getElementSize(obj);
280 			if (obj.offsetLeft) x -= obj.offsetLeft;
281 			if (obj.offsetTop) y -= obj.offsetTop;
282 			if (obj.style.left) x += parseInt(obj.style.left);
283 			if (obj.style.top) y += parseInt(obj.style.top);
286 			_pub.updateObject(obj.style, {top: y + 'px', left: x + 'px'});
289 		getStyle: function(obj, styleProp) {  argument
290 			if (obj.currentStyle)
291 				return obj.currentStyle[styleProp];
293 				return document.defaultView.getComputedStyle(obj,null).getPropertyValue(styleProp);
321 		getElementSize: function(obj) {  argument
323 				width: obj.offsetWidth || obj.style.pixelWidth,
324 				height: obj.offsetHeight || obj.style.pixelHeight
328 		fade: function(obj, start, end, speed, callback) {  argument
333 			if (obj.fader) clearInterval(obj.fader);
336 				_pub.setOpacity(null, obj, end);
346 			obj.fader = setInterval(_pub.bind(function(e, obj, increment, end, callback) {  argument
347 				var opacity = _pub.getOpacity(e, obj) + increment;
348 				_pub.setOpacity(e, obj, opacity);
350 					_pub.setOpacity(e, obj, end);
351 					clearInterval(obj.fader);
354 			}, obj, increment, end, callback), step_size);
362 		setOpacity: function(e, obj, value) {  argument
364 			obj.style.opacity = value/100;
365 			obj.style.filter = 'alpha(opacity=' + value + ')';
373 		getOpacity: function(e, obj) {  argument
374 			return _pub.getStyle(obj, 'opacity')*100;
405 		addEvent: function(obj, evType, fn) {  argument
406 			if (obj.addEventListener) {
407 				obj.addEventListener(evType, fn, false);
410 			else if (obj.attachEvent) {
411 				var r = obj.attachEvent("on"+evType, fn);