if (navigator.userAgent.indexOf("Win") >= 0) {	if (navigator.appName.indexOf("Microsoft") >= 0) {		version="win-ie";	} else {		if(navigator.appVersion.charAt(0) >= 5){			version="win-nn6";		}else {			version="win-nn";		}	}} else {	if (navigator.appName.indexOf("Microsoft") >= 0) {		version="mac-ie";	} else {		if(navigator.userAgent.indexOf("Safari") >= 0){		version="mac-safari";		}else if(navigator.appVersion.charAt(0) >= 5){			version="mac-nn6";		}else {			version="mac-nn";		}	}}document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="../common/css/'+version+'.css">')
