Thats strange, looks like a javascript error, sincs the county combobox is filled by javascript.
May i ask wich browser do you use?
Have you tried empty'ing your cache? it could be that the file wich is responsibe for that is corrupted and has to be redownloaded by empty'ing your browsers cache.
hello...i am from croatia and i am wondering why there isn't croatia becouse there is bosinia and hercegovina and serbia so please can you put croatia to list of countries...