<% brow=request.ServerVariables("HTTP_USER_AGENT") if instr(1,brow,"MSIE 6.0")>0 then esisteBR="1" else esisteBR="0" end if if instr(1,brow,"Windows NT 5.1")>0 or instr(1,brow,"Windows NT 5.0")>0 then esisteSO="1" else esisteSO="0" end if %>