// browser detect for stylesheet
function checkOS(){

browserName=navigator.appName; 
if ((browserName=="Netscape") || (browserName=="Microsoft Internet Explorer")) {     
if (browserName=="Netscape") version="NS"; else  version="IE"; 
} else  version="OTHER";

// file name for PC NN style sheet: change below	
winsh_NN = '<link href="style.css" rel="stylesheet" type="text/css">';
// file name for mac NN style sheet: change below
macsh = '<link href="style_NSMac.css" rel="stylesheet" type="text/css">';
// file name for PC IE style sheet: change below	
winsh = '<link href="style.css" rel="stylesheet" type="text/css">';
// file name for mac IE style sheet: change below
macsh_ie = '<link href="style_IEMac.css" rel="stylesheet" type="text/css">';

if (navigator.platform == "Win32"){
if (version == "IE") document.write(winsh);
else document.write(winsh_NN);
} else {
if (version == "IE") document.write(macsh_ie);
else {
	if (document.layers) document.write(macsh);
	else document.write(macsh_ie);
}
}
}
checkOS();