// JavaScript Document
// JavaScript Document
function browserCSSDetection(){
	// see: http://rafael.adm.br/css_browser_selector/
	var ua = navigator.userAgent.toLowerCase();
	var is = function(t){ return ua.indexOf(t) != -1; };
	var b = (!(/opera|webtv/i.test(ua))&&/msie (\d)/.test(ua)) ?
			 ('ie'+RegExp.$1) :
			   is('gecko/')? 'gecko' :
			   is('opera/9')? 'opera' :
			   is('konqueror')?'konqueror' :
			   is('applewebkit/') ? 'safari':
			   is('mozilla/')?'gecko':'';
	// var os = (is('x11')||is('linux'))?' linux':is('mac')?' mac':is('win')?' win':'';
	// var css = {browser:b,os:os};
	var css = {browser:b};
	return css;
}

var br = browserCSSDetection();
if(document.createStyleSheet) {
	document.createStyleSheet('http://www.umpi.it/ReD/css/'+br.browser+'.css');
}else {
	var styles = "@import url('http://www.umpi.it/ReD/css/"+br.browser+".css ');";
	var newSS	= document.createElement('link');
	newSS.rel	= 'stylesheet';
	newSS.href	= 'data:text/css,'+escape(styles);
	document.getElementsByTagName("head")[0].appendChild(newSS);
}