Simple function to find child objects

helper.js

/**
 * helper to find an element, can be used when there are
 * multiple elements in a row and you need to find one
 *
 * @param _o {Object} parent object to find elements in
 * @param _i {String} id of the element you are looking for
 */
function findElement(_o, _i) {
    for(var x in _o.children) {
        if(_o.children[x].id === _i) {
            return _o.children[x];
        }
    }
    return "";
}
//
// SO if you have an element like this in your row
    var label = Ti.UI.createLabel({
        width : 250,
        height : 35,
        item_type : "LABEL", // us this to know we clicked a checkbox
        id : "LABEL_" + i,
        text : "LABEL_" + i,
        left : 35,
    });

//
// you can find it like this
findElement(rowObject, "LABEL_3");