//cssU蕪mac=(navigator.appVersion.indexOf('Mac')!=-1)?true:false;ie=(navigator.appName.charAt(0) == "M")?true:false;nn=(navigator.appName.charAt(0) == "N")?true:false;if(mac){ fname="../css/mac.css"; }else{ 	if(ie){ fname="../css/win_ie.css"; }	else if(nn){ fname="../css/win_nn.css"; }}if(fname != null){	document.write("<LINK REL=STYLESHEET HREF='"+fname+"' TYPE='text/css'>");}