Javascript Google Suggest Autocomplete

googleSuggestAutocomplete.js

function getQueryGoogle(obj, callback) {
    var id = "i" + Math.random().toString(36).slice(2);
    getQueryGoogle[id] = function(data) {
        callback(obj, data);
        delete getQueryGoogle[id];
    };
    // Google clients1
    loadScript("//clients1.google.com/complete/search?client=firefox&q=" + encodeURIComponent(obj.value) + "&callback=getQueryGoogle." + id);
    // Yahoo
    /*
        loadScript("//query.yahooapis.com/v1/public/yql?q=select%20*%20from%20json%20where%20url%3D%22http%3A%2F%2Fsuggestqueries.google.com%2Fcomplete%2Fsearch%3Fclient%3Dfirefox%26q%3D" +
        encodeURIComponent(obj.value) +
        "%22%20&format=json&callback=getQueryGoogle." + id);
    */
};

function loadScript(setUrl, callback) {
    var script = document.createElement("script");
    script.type = "text/javascript";
    if(script.readyState) {
        script.onreadystatechange = function() {
            if(script.readyState === "loaded" || script.readyState === "complete") {
                script.onreadystatechange = null;
                //callback();
            }
        }
    } else script.onload = function() {
        //callback();
    };
    script.src = setUrl;
    document.getElementsByTagName("head")[0].appendChild(script)
};