var rows = ['first', 'second', 'third'];
var totalChilds = 0;
var selectedGallery = '';
var selectedindex = '';
var selectedElement='';
var randname='';
var balanceval='';

function startRandomizer() {
    window.setTimeout(function () {

        var number = Math.floor(Math.random() * rows.length);
        selectedGallery = rows[number];

        totalChilds = $('#' + selectedGallery + ' .item').length;

        if (totalChilds > 0) {

            randname = names[Math.floor(Math.random() * names.length)];
            selectedindex = Math.floor(Math.random() * totalChilds);

            var selectedItem = $('#' + selectedGallery + ' .item').eq(selectedindex);

            if (selectedItem.length > 0) {

                selectedElement = selectedItem.find('img').attr('src');

                if (selectedElement) {
                    alertify.message(
                        '<div style="margin:0;text-align:center;">' +
                        '<p style="margin-top:8px;float:left;">' + randname + ' got </p>' +
                        '<img src="' + selectedElement + '" style="margin-left:5px;width:35px;height:35px;"/>' +
                        '</div>'
                    ).delay(4);
                }
            }
        }

        startRandomizer();

    }, Math.random() * 2500 + 800);
} 
  
  startRandomizer();