Very big problem!!!!!!!!!!!!

I am using a hosting and when I with Softaculous delate one script (Dolphin 7) wich I am not using my elgg portal broke. First page show all content, but no style. - you can view it here - . To all other pages show 404 error. I have all files in directory and I have no backups . Please help me - all need to be right in 1 January.