var agent = navigator.userAgent
var appName = navigator.appName
var netscape = appName.indexOf("Netscape",0)
var ns4 = agent.indexOf("Netscape4/4.0",0)
var mac = agent.indexOf("Mac",0)
if (mac != -1){
	if (document.layers) { document.write('<link rel="stylesheet" href="/common/css/mac_n.css" type="text/css">');
	}
	else if (netscape != -1) { document.write('<link rel="stylesheet" href="/common/css/mac_n_over.css" type="text/css">');
	}
	else { document.write('<link rel="stylesheet" href="/common/css/mac_ie.css" type="text/css">')
	}
	}
else { 
	if (document.layers) { document.write('<link rel="stylesheet" href="/common/css/win_n.css" type="text/css">');
	}
	else if (netscape != -1) { document.write('<link rel="stylesheet" href="/common/css/win_ie.css" type="text/css">');
	}
	else { document.write('<link rel="stylesheet" href="/common/css/win_ie.css" type="text/css">')
	}
	}