src/jquery.nstSlider.js
function (search, array, currentIdx) {

                        // first check if this is our element

                        // this is our element if the search value is:
                        if (search < array[currentIdx].range) {

                            // we can have a match or search in the left half
                            if (currentIdx > 0) {
                                if (search >= array[currentIdx - 1].range) {
                                    return 0;
                                }
                                else {
                                    // go left
                                    return -1;
                                }
                            }
                            else {
                                return 0;
                            }
                        }
                        else {
                            // we must search in the next half
                            return 1;
                        }
                    }
function (search, array, currentIdx) {

                        // first check if this is our element

                        // this is our element if the search value is:
                        if (search < array[currentIdx].range) {

                            // we can have a match or search in the left half
                            if (currentIdx > 0) {
                                if (search >= array[currentIdx - 1].range) {
                                    return 0;
                                }
                                else {
                                    // go left
                                    return -1;
                                }
                            }
                            else {
                                return 0;
                            }
                        }
                        else {
                            // we must search in the next half
                            return 1;
                        }
                    }
compare search element with current element < 0 search < current 0   equals > 0 search > current