function include_file(type, fileName) {
	var oHead = document.getElementsByTagName("head")

	if (oHead.length < 1)  return false;
	else {
		switch (type) {
			case 'CSS':
				var CSS =  document.createElement('link');
				CSS.rel   = 'stylesheet';
				CSS.type  = 'text/css';
				CSS.href  = 'http://photo-media.daum-img.net/css/media3/' + fileName + '.css';
				oHead[0].appendChild(CSS);
				break;
			default:
				break;
		}
	}
}

if (browser.model == 'sonyericssonx1i') { include_file('CSS', 'xperia_mobile'); }