searching a database javascript

I have got rid of all syntax errors, but I am unable to retrieve any of the data. Any help would be greatly appreciated. the db variable stores an array of videos that I am looking for and it is a separate js file.

database

                    var db = [
                        "JavaScript Version History|http://http://wddbs.com/javascript/sfw/online/#p=videos&s=3&file=01.html",
                        "JavaScript in the Browser|http://wddbs.com/javascript/sfw/online/#p=videos&s=3&file=01.html",
                        "Script Tag|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=02.html",
                        "JavaScript Syntax|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=02.html",
                        "Data Type Literals|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=02.html",
                        "Strings & HTML Strings|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=02.html",
                        "Numbers|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=02.html",
                        "Arrays|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=02.html",
                        "Objects|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=02.html",
                        "Functions|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=02.html",
                        "Scope|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=02.html",
                        "Loops|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=02.html",
                        "Conditionals|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=02.html",
                        "Typeof|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=02.html",
                        "Timers|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=02.html",
                        "Native Objects|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=02.html",
                        "Debugging Tools|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=03.html",
                        "Firebug|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=03.html",
                        "Error Types|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=03.html",
                        "Closures|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=04.html",
                        "Context|http://wddbs.com/javascript/sfw/online/#p=videos&s=1&file=04.html"
                    ];

program

(function() {
    console.log("hello");
    // Variable initialization (DO NOT FIX ANY OF THE BELOW VAR's)
    var resultsDIV = document.getElementById("results"),
    searchInput = document.forms[0].search,
    currentSearch = '';

    // Validates search query
    var validate = function(query) {
        console.log("validate");
        // Trim whitespace from start and end of search query
        while (query.charAt(0) === " ") {
            query = query.substring(1, query.length);
        }
        while (query.charAt(query.length - 1) === " ") {
            query = query.substring(0, query.length - 1);
        }
        // Check search length, must have 3 characters
        if (query.length < 3) {
            alert("Your search query is too small, try again.");
        }
        // (DO NOT FIX THE LINE DIRECTLY BELOW)
        searchInput.focus();
        console.log("test");
        search(query);

    };

    // Finds search matches
    var search = function(query) {
        console.log("search");

        // split the user's search query string into an array
        var queryArray = query.split(" ");

        // array to store matched results from database.js
        var results = [];
        // loop through each index of db array
        for (var i = 0, j = db.length; i < j; i++) {

            // each db[i] is a single video item, each title ends with a pipe "|"
            // save a lowercase variable of the video title
            var dbTitleEnd = db[i].indexOf('|');
            var dbItems = db[i].toLowerCase().substring(0, dbTitleEnd);
            console.log("end of first loop");
        }
        // loop through the user's search query words
        // save a lowercase variable of the search keyword
        for (var ii = 0, jj = queryArray.length; ii < jj; ii++) {
            var qItem = queryArray[ii].toLowerCase();

            // is the keyword anywhere in the video title?
            // If a match is found, push full db[i] into results array
            var compare = dbitem.indexOf(qItem);
            if (compare !== -1) {
                results = results.push(db[i]);
            }

            results.sort();

            console.log("end of second loop");
        }
    };

    // Check that matches were found, and run output functions

    // Put "No Results" message into page (DO NOT FIX THE HTML VAR NOR THE innerHTML)

    var noMatch = function() {

        var html = '' + '<p>No Results found.</p>' + '<p style="font-size:10px;">Try searching for "JavaScript".  Just an idea.</p>';
        resultsDIV.innerHTML = html;
    };

    // Put matches into page as paragraphs with anchors

    var showMatches = function(results) {
        console.log("4");

        // THE NEXT 4 LINES ARE CORRECT.
        var html = '<p>Results</p>',
        title,
        url;

        // loop through all the results search() function
        for (var i = 0, j = results.length; i < j; i++) {

            // title of video ends with pipe
            // pull the title's string using index numbers
            var titleEnd = results[i].indexOf('|');
            title = results[i].subString(0, titleEnd);

            // pull the video url after the title
            url = results[i].substring(results[i].indexOf('|') + 1, results[i].length);

            // make the video link - THE NEXT LINE IS CORRECT.
            html += '<p><a href=' + url + '>' + title + '</a></p>';

            resultsDIV.innerHTML = html;
            //THIS LINE IS CORRECT.
            }

        if (results.length === 0) {
            noMatch();
        } else {
            showMatches(results);
        }
    };

    /***** start of program *******/
    // The onsubmit event will be reviewed in upcoming Course Material.
    // THE LINE DIRECTLY BELOW IS CORRECT
    document.forms[0].onsubmit = function() {
        var query = searchInput.value;
        validate(query);

        // return false is needed for most events - this will be reviewed in upcoming course material
        // THE LINE DIRECTLY BELOW IS CORRECT
        return false;
    };

})();

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