Google's clearQuery code

gistfile1.js

    gh.addEventListener("mousedown", function(a) {
        a.preventDefault();
        S.value = "";
        S.value = S.value;  // hrhrhr...
        if (T)
            jh.innerText = T.innerText = ""; // hrhrhr...
        yg++;
        vg = ug = 0;
        S.focus();  // interesting. it really has no effect.
        zh();
        yh()
    }, m);