Ckeditor.net - How to customize tabs in image upload popup

[Defector]

i have a little problem regarding custimize tabs in the CKEditor.I am succesfull to hide 2 tabs, now i have two tabs, 1.Image info, 2.upload.now i want to set focus on the upload tab when the popup is open. But when i do that the image is not seen in the Image Info tab, so i dont able to set the hegiht , width of the image. Help me. This is my code writen in the config.js for set focus on the Upload tab.\[code\] if (dialogName == 'image') {dialogDefinition.onShow = function () { this.selectPage('Upload');\[/code\]}