function detectIE6(){
var browser = navigator.appName;
if (browser == "Microsoft Internet Explorer")
{
var b_version = navigator.appVersion;
var re = /\MSIE\s+(\d\.\d\b)/;
var res = b_version.match(re);
if (res[1] <= 6){return true;
}
}
return false;
}
if(detectIE6()) $("link#style_link").attr("href", "rubric_filter_ie6.css");
else $("link#style_link").attr("href", "rubric_filter_other.css");