var words = [];

var locationsSuffix = ["Road", "Drive", "Street", "Park", "Lane", "Avenue", "Quarter", "Reserve", "Tunnel", "Station", "Waterfront", "Railway", "Railways", "Transport"];

var locationsPrefix = ["Creation of", "Development of", "Redevelopment of", "Regeneration of"];

var walkDOM = function (node, func) {

    func(node);

    node = node.firstChild;

    while (node) {

        walkDOM(node, func);

        node = node.nextSibling;

    }

};

walkDOM(document.getElementsByClassName('project-results')[0], function (node) {

    if (node.nodeName === '#text') {

        var text = node.textContent;

        text = text.replace(/[^A-Za-z]/g, ' ');

        text = text.split(' ');

        if (text.length) {

            for (var i = 0, length = text.length; i < length; i += 1) {

                var matched = false,

                    word = text[i];

                if (isInArray(locationsSuffix, word) || isInArray(locationsPrefix, word)) {

                    var pos = node.data.indexOf(word);

                    var cut = node.data.substring(0, pos - 1);

                    var last = cut.lastIndexOf(" ");

                    var area = node.data.substring(pos, last);

                    if (isInArray(locationsSuffix, word)) {

                        var est = document.createElement('td');

                        var c = node.parentNode.parentNode.parentNode.appendChild(est);

                        est.innerHTML = area + " " + word + "";

                    } else if (isInArray(locationsPrefix, word)) {

                        var est = document.createElement('td');

                        var c = node.parentNode.parentNode.appendChild(est);

                        est.innerHTML = area + "";

                    }

                    var element = document.createElement('mark');

                    var b = node.parentNode.appendChild(element);

                    b.appendChild(node);

                    break;

                }

                for (var j = 0, numberOfWords = words.length; j < numberOfWords; j += 1) {

                    if (words[j][0] === word) {

                        matched = true;

                        words[j][1] += 1;

                    }

                }

                if (!matched) {

                    words.push([word, 1]);

                }

            }

        }

    }

});

var displayWordList = function (words) {

    for (var i = 0, length = words.length; i < length; i += 1) {}

};

displayWordList(words);

function isInArray(a, x) {

    return a.indexOf(x) > -1;

}