var platform = navigator.platform.substr(0,3);
var browser = navigator.appName;
var version = navigator.appVersion.substr(0,1);
if (navigator.appName == 'Netscape') 
{ 
	if (navigator.appVersion.substr(0,1) >= 6)
	{
		document.writeln('<link rel="stylesheet" href="sideindexM.css" type=text/css >'); 
	}
	else
	{
		document.writeln('<link rel="stylesheet" href="sideindexL.css" type=text/css >'); 
	}
	
}