rem: var titleBarHeight = parseInt(document.getElementById("popupTitleBar").offsetHeight, 10); 
add: var titleBarHeight = parseInt(document.getElementById("popup-titlebar").offsetHeight, 10); 
context: 	center: function(width, height) 	{		if (this.visible == true) {			if (width == null || isNaN(width)) {				width = this.container.offsetWidth;			}			if (height == null) {				height = this.container.offsetHeight;			}					var fullHeight = this.getViewportHeight();			var fullWidth  = this.getViewportWidth();					var theBody = document.documentElement;					var scTop = Browser.is_ie ? parseInt(theBody.scrollTop,10) : 0;			var scLeft = Browser.is_ie ? parseInt(theBody.scrollLeft,10) : 0;						var titleBarHeight = parseInt(document.getElementById("popupTitleBar").offsetHeight, 10);					this.container.style.top =  scTop + ((fullHeight - (height+titleBarHeight)) / 2) + "px";			this.container.style.left = scLeft + ((fullWidth - width) / 2) + "px";						this.mask.style.height = fullWidth + "px";			this.mask.style.width = fullWidth + "px";			//alert(fullWidth + " " + width + " " + this.container.style.left);		}	},
meta: 3891	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3891/1a43b42f51b3f2bc3bf704d5cf684ca786d2c6d1/popup.js/clean/includes/js/joomla/popup.js