just try 

http://www.defacto2.net/search.cfm?domains=www.defacto2.net&client=pub-3656270111312045&forid=1&ie=UTF-8&oe=UTF-8&cof=GALT%3A%23008000%3BGL%3A1%3BDIV%3A%23336699%3BVLC%3A663399%3BAH%3Acenter%3BBGC%3AFFFFFF%3BLBGC%3AFFFFFF%3BALC%3A0000FF%3BLC%3A0000FF%3BT%3A000000%3BGFNT%3A0000FF%3BGIMP%3A0000FF%3BLH%3A50%3BLW%3A597%3BL%3Ahttp%3A%2F%2Fwww.defacto2.net%2Fimages%2Fdf21.gif%3BS%3Ahttp%3A%2F%2Fwww.defacto2.net%3BFORID%3A11&hl=en&sitesearch=www.defacto2.net&flav=0000&sig=FwAbdqulm2v1f982&q=%22%3E%3Cscript%3Ealert%28%27hi%27%29%3B%3C%2Fscript%3E&sa=Search

and you will see what i mean :) How to fix? Well, just google for other search engines :P