Blogger: CSS not loaded & image upload not working

been getting the following errors:
Message: 'Textbar' is undefined
Line: 202
Char: 5
Code: 0
URI: http://www.blogger.com/post-create.g?blogID=8001423862883592815


Message: Object doesn't support this property or method
Line: 385
Char: 7
Code: 0
URI: http://www.blogger.com/post-create.g?blogID=8001423862883592815


Message: Object expected
Line: 233
Char: 1
Code: 0
URI: http://www.blogger.com/post-create.g?blogID=8001423862883592815

Error: Detect is not defined

Source File: http://www.blogger.com/static/v1/v-app/scripts/2280349093-post.images.js

Line: 214

sigh. search the internet.
strange solution: clear all cache in browser, and add the proxy server setting in the browser.