Availability: >= 3.0
Type: Object Property
Description: Sets the file system path of your directory for storing image files such as GIF, JPEG and PNG images.
$editor->imageDir = String $path
This is not a URL. It must be set to the absolute directory path of the folder.
You must also set the URL of this folder using the imageURL property.
The default value for this property is set in the dialog configuration file located at wysiwygPro/conf/dialogConfig.inc.php.