var Mac=(navigator.userAgent.indexOf("Mac")!=-1);

var Win=(navigator.userAgent.indexOf("Win")!=-1);

var Linux=(navigator.userAgent.indexOf("Linux")!=-1);

var Netscape=(navigator.appName.indexOf("Netscape")!=-1);

var Explorer=(navigator.appName.indexOf("Explorer")!=-1);

var iCab=(navigator.appName.indexOf("iCab")!=-1);

var Version=navigator.appVersion.charAt(0);



if

(Explorer && Mac && Version=="4") 

{document.write('<LINK rel="stylesheet" href="css/mac_ie4.css" type="text/css"><style type="text/css"><!-- @import url("css/mac_ie5.css") ; --></style>');}



else if

(Mac &&  iCab  && Version=="2")

{document.write('<LINK rel="stylesheet" href="css/other.css" type="text/css">');}



else if

(Mac && Netscape && Version=="4")

{document.write('<LINK rel="stylesheet" href="css/mac_nn4.css" type="text/css">');}



else if

(Mac && Netscape && Version=="5")

{document.write('<LINK rel="stylesheet" href="css/mac_nn6.css" type="text/css">');}



else if

(Win && Explorer && Version=="4")

{document.write('<LINK rel="stylesheet" href="css/win_ie5.css" type="text/css">');}



else if

(Win && Netscape && Version=="5")

{document.write('<LINK rel="stylesheet" href="css/win_nn6.css" type="text/css">');}



else if

(Win && Netscape && Version=="4")

{document.write('<LINK rel="stylesheet" href="css/win_nn4.css" type="text/css">');}



else if

(Linux && Netscape && Version=="4")

{document.write('<LINK rel="stylesheet" href="css/other.css" type="text/css">');}



else

{document.write('<LINK rel="stylesheet" href="css/other.css" type="text/css">');}