function checkPhone(in_path)
{
	if (navigator.userAgent.indexOf('iPhone') != -1){
		in_path = in_path + '/phone.css';
	}
	else if (navigator.userAgent.indexOf('Android') != -1){
		in_path = in_path + '/phone.css';
	}
	else{
		in_path = in_path + '/base.css';
	}
	strPaht = '<link href=' + in_path + ' rel="stylesheet" type="text/css" />';
	document.write( strPaht );
}