if(navigator.userAgent.indexOf("Mac")!=-1){

	if(navigator.appName.indexOf("Netscape")!=-1){
	document.write('<link rel=\"stylesheet\" href=\"/lib/mac_ns.css\" type=\"text/css\">')
	}
	else if
	(navigator.appName.indexOf("Microsoft")!=-1){
	document.write('<link rel=\"stylesheet\" href=\"/lib/mac_ie.css\" type=\"text/css\">')
	}
}

else if
(navigator.userAgent.indexOf("Win")!=-1){

	if(navigator.appName.indexOf("Netscape")!=-1){
	document.write('<link rel=\"stylesheet\" href=\"/lib/win_ns.css\" type=\"text/css\">')
	}
	
	else if
	(navigator.appName.indexOf("Microsoft")!=-1){
	document.write('<link rel=\"stylesheet\" href=\"/lib/win_ie.css\" type=\"text/css\">')
	}
}

else{
document.write('<link rel=\"stylesheet\" href=\"/lib/win_ie.css\" type=\"text/css\">')
}