jQuery.fn.highlight = function(b) {
function a(e, j) {
    var l = 0;
    if (e.nodeType == 3) {
        var k = e.data.toUpperCase().indexOf(j);
        if (k >= 0) {
            var h = document.createElement("span");
            h.className = "highlight";
            var f = e.splitText(k);
            var c = f.splitText(j.length);
            var d = f.cloneNode(true);
            h.appendChild(d);
            f.parentNode.replaceChild(h, f);
            l = 1
        }
    }
    else {
        if (e.nodeType == 1 && e.childNodes && !/(script|style)/i.test(e.tagName)) {
            for (var g = 0; g < e.childNodes.length; ++g) {
                g += a(e.childNodes[g], j)
            }
        }
    }
    return l
}
return this.each(function() {
a(this, b.toUpperCase())
})
};
jQuery.fn.removeHighlight = function() {
return this.find("span.highlight").each(function() {
this.parentNode.firstChild.nodeName;
with (this.parentNode) {
    replaceChild(this.firstChild, this);
    normalize()
}
}).end()
};