//.ie Internet Explorer - yellow
//.ie7 Internet Explorer 7 - orange
//.win.gecko Gecko Engine on Windows (Firefox, Mozilla, Camino) - red
//.linux.gecko Gecko Engine on Linux (Firefox, Mozilla, Camino) - pink
//Gecko Engine on Other OS (Firefox, Mozilla, Camino) - gray
//.opera Opera - green
//.konqueror Konqueror - blue
//webkit Safari - black



var css_browser_selector = function() {
	var 
		ua=navigator.userAgent.toLowerCase(),
		is=function(t){ return ua.indexOf(t) != -1; },
		h=document.getElementsByTagName('html')[0],
		b=(!(/opera|webtv/i.test(ua))&&/msie (\d)/.test(ua))?('ie ie'+RegExp.$1):is('gecko/')? 'gecko':is('opera/9')?'opera opera9':/opera (\d)/.test(ua)?'opera opera'+RegExp.$1:is('konqueror')?'konqueror':is('applewebkit/')?'webkit safari':is('mozilla/')?'gecko':'',
		os=(is('x11')||is('linux'))?' linux':is('mac')?' mac':is('win')?' win':'';
	var c=b+os+' js';
	h.className += h.className?' '+c:c;
}();