if (document.layers && parseInt(navigator.appVersion) < 5 && (navigator.platform).indexOf("Win")!=-1)
     {
     //netscape 5- PC
     document.write('<LINK HREF="/includes/ns_win.css" REL="stylesheet" TYPE="text/css">');
     }
else if (navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 5 && (navigator.platform).indexOf("Win")!=-1)
     {
     //netscape =5+ PC
     document.write('<LINK HREF="/includes/ns_win.css" REL="stylesheet" TYPE="text/css">');
     }				
else if (navigator.appName == "Netscape" && (navigator.platform).indexOf("Mac")!=-1 && parseInt(navigator.appVersion) < 5)
     {
     //netscape 5-  Mac
     document.write('<LINK HREF="/includes/ns_mac.css" REL="stylesheet" TYPE="text/css">');
     }
else if (navigator.appName == "Netscape" && (navigator.platform).indexOf("Mac")!=-1&& parseInt(navigator.appVersion) >= 5)
     {
     //netscape =5+ Mac
     document.write('<LINK HREF="/includes/ns_mac.css" REL="stylesheet" TYPE="text/css">');
     }
else if (document.all && (navigator.platform).indexOf("Win")!=-1)
     {
     //ie * PC
     document.write('<LINK HREF="/includes/ie_win.css" REL="stylesheet" TYPE="text/css">');
     }
else if (document.all && (navigator.platform).indexOf("Mac")!=-1)
     {
     //ie * Mac
     document.write('<LINK HREF="/includes/ie_mac.css" REL="stylesheet" TYPE="text/css">');
     }
else
     {
     document.write('<LINK HREF="/includes/ie_win.css" REL="stylesheet" TYPE="text/css">');
     }