var put="";
/*------------------*/
 if(navigator.appVersion.indexOf("Mac")!=-1){
//document.write("mac");
	if(navigator.appName=="Netscape"){
	//document.write("mac-ns");
			put ="mac-ns";
	}else if (navigator.appName == "Microsoft Internet Explorer") {
	//document.write("mac-ie");
			put ="mac-ie";
	}else{
	//document.write("mac-other");
			put = "mac-other";
	}
 }else if (navigator.appVersion.indexOf("Win") != -1){
//document.write("win");
	if(navigator.appName=="Netscape"){
	//document.write("win-ns");
			put ="win-ns";
	}else if (navigator.appName== "Microsoft Internet Explorer") {
	//document.write("win-ie");
			put = "win-ie";
	}else{
//document.write("win-other");
			put ="win-other";
	}
 }
 /*------------------*/
 if(put != ""){
  document.write('<' + 'LINK REL="StyleSheet" TYPE="text/css" HREF="css/' + put + '.css"' + '>');
}
 /*---------OS�U�蕪��JS---------*/