//‹@Ží”»’è W=windows  M=machintosh
var pMc = navigator.platform.charAt(0);
if(pMc=="W"){document.write("<link rel='stylesheet' href='/item/css/style_win.css'>")}
else{document.write("<link rel='stylesheet' href='/item/css/style_mac.css'>")}
window.name="item";