tinyMCE.addI18n('en.imgmanager_dlg',{

missing_alt: "Are you sure you want to continue without including an Image Description? Without it the image may not be accessible to some users with disabilities, or to those using a text browser, or browsing the Web with images turned off.",

delta_width: 0,

delat_height: 0,

no_src: 'An URL is required. Please select an image or enter an URL'

});