function highlightText(params) {
    var p = {
        query: [],
        isAppend: true,
        searchAttr: 'xxxxx'
    };
    $.extend(p, params);

    var phrases = p.query,
        searchAttr = p.searchAttr,
        isAppend = p.isAppend;

    var source = this.html()
        .replace(/[\n|\t]+/gi, '')
        .replace(/\s+/gi, ' ')
        .replace(/> /gi, '>')
        .replace(/(\w)</gi, function (m, w) {
            return (w + " <");
        });

    phrases.forEach(function (str) {
        source = source.replace(makeRegexp(str), emulateSelection);
    });

    var result = {
        $el: this
    };

    if (isAppend) {
        result.$search = this.html(source).find("[search=" + searchAttr + "]");
    } else {
        var $source = $(source);
        result.$source = $source;
        result.$search = $source.find("[search=" + searchAttr + "]");
    }

    return result;

    function makeRegexp(s) {
        var space = '( )?(<span[^>]*>)?(</span[^>]*>)?( )?';
        var result = s.replace(/\s/gi, space);
        return new RegExp(space + result + space, "gi");
    }

    function emulateSelection(htmlPiece) {
        return htmlPiece
            .replace(/(?!=>)[^><]+(?=<)/g, wrapWords)
            .replace(/^[^><]+/, wrapWords)
            .replace(/[^><]+$/, wrapWords)
            .replace(/^[^><]+$/, wrapWords);
    }

    function wrapWords(plainPiece) {
        return '<span search="' + searchAttr + '">' + plainPiece + '</span>';
    }
};