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() };