(function(){
	var load_css = function(css){//no use
		//document.write('<link rel="stylesheet" type="text/css" href="'+css+'">');
	};
	var n = navigator;
	if((n.userAgent.indexOf("Apple") > -1)) load_css("safari.css");
	else if((n.userAgent.indexOf("Mac",0)!=-1)&&(n.userAgent.indexOf("Gecko") != -1)) load_css("mac_gecko.css");
	else if((n.userAgent.indexOf("MSIE",0)!=-1)&&(n.userAgent.indexOf("Mac",0)!=-1)) load_css("mac_ie.css");
	else if((n.appName=="Netscape")&&(parseInt(n.appVersion)>=5)) load_css("win_gecko.css");
	else load_css("win_ie.css");

})();