Joomla 2.5 - AJAX Advanced Filters Need Fix It

Joomla 2.5 – Fix it Ajax A) In home page: [login to view URL] 1) AJAX Advanced Filters Need Fix It like (filter by Country, by State, by City, By Category; 2) After that it need classifying in Order (new, old, alphabetic, value etc) B) In Register Form: Be Carefull with Ajax -conflict or Damage this good functionality and this is working very well now. 3) This form is working now Selecting Ajax conflict selecting (Country, State, City); [login to view URL] C) In Ads Form: (need to register user) - Be Carefull with Ajax -conflict or Damage this is good and working very well now. [login to view URL] ATTENTION CAUTION: Others freelancer fix one functions and damage others ajax functions!!! I need a expert professional to do this! Regards, Ramos.