Detect browser support for :checked selectors

function checkedSelectorSupport(){
    var d               =   document.documentElement;

    var t1              =   document.createElement("input");
    t1.className        =   "checkedSelectorSupport";
    t1.type             =   "checkbox";
    t1.style.display    =   "none";
    t1.checked          =   true;
    d.appendChild(t1);

    var t2              =   document.createElement("div");
    d.appendChild(t2);

    var t3          =   document.createElement("style");
    t3.type         =   "text/css";
    var rules       =   ".checkedSelectorSupport + *{display: none;}.checkedSelectorSupport:checked + *{display: block !important;}";
    if(t3.styleSheet)   t3.styleSheet.cssText   =   rules;  //  IE 8 and earlier
    else                t3.innerText            =   rules;
    d.appendChild(t3);

    var style   =   t2.currentStyle ? t2.currentStyle : window.getComputedStyle(t2);
    var result  =   style.display;

    d.removeChild(t1);
    d.removeChild(t2);
    d.removeChild(t3);

    return result;
}

checkedSelectorSupport();   //  Will return FALSE in IE8 and earlier