// JavaScript Document
//Xsearch javascript puse
function createRequestObject(){
        var request_o; //declare the variable to hold the object.
        var browser = navigator.appName; //find the browser name
        if(browser == "Microsoft Internet Explorer"){
                /* Create the object using MSIE's method */
                request_o = new ActiveXObject("Microsoft.XMLHTTP");
        }else{
                /* Create the object using other browser's method */
                request_o = new XMLHttpRequest();
        }
        return request_o; //return the object
}

/* The variable http will hold our new XMLHttpRequest object. */
var http = createRequestObject();


function submit_search(search_query){
        if (search_query.length < 2){
            alert("Ievadi meklējamo vērtību lielāku par divām rakstu zīmēm!");
            //return 0;
            }
        if (search_query.length >= 2){
        searchstring=encodeURIComponent(search_query);
        getResults();
        }


}
/* Function called to get the product categories list */
function getResults(){
        //if (document.form_category_select.select_category_select.selectedIndex == 0) { return 0 };
        /* Create the request. The first argument to the open function is the method (POST/GET),
                and the second argument is the url...
                document contains references to all items on the page
                We can reference document.form_category_select.select_category_select and we will
                be referencing the dropdown list. The selectedIndex property will give us the
                index of the selected item.
        */
        http.open("get", "xsearch.php?xmlRequest=true&searchstring="+searchstring);
        /* Define a function to call once a response has been received. This will be our
                handleProductCategories function that we define below. */
        http.onreadystatechange = handleProducts;
        /* Send the data. We use something other than null when we are sending using the POST
                method. */
        http.send(null);
}

/* Function called to handle the list that was returned from the internal_request.php file.. */
function handleProducts(){
        /* Make sure that the transaction has finished. The XMLHttpRequest object
                has a property called readyState with several states:
                0: Uninitialized
                1: Loading
                2: Loaded
                3: Interactive
                4: Finished */
        if(http.readyState == 4){ //Finished loading the response
                /* We have got the response from the server-side script,
                        let's see just what it was. using the responseText property of
                        the XMLHttpRequest object. */
                var response = http.responseText;
                /* And now we want to change the product_categories <div> content.
                        we do this using an ability to get/change the content of a page element
                        that we can find: innerHTML. */
                document.getElementById('searchres').innerHTML = response;
        }

        if(http.readyState == 1) {
            document.getElementById('searchres').innerHTML = "<font color:#FFFF50><p> Lādējam... </p></font>";
        }

        if(http.readyState == 2) {
            document.getElementById('searchres').innerHTML = "<font color:#FFFF50><p> Ielādēts </p></font>";
        }

        if(http.readyState == 3) {
            document.getElementById('searchres').innerHTML = "<font color:#FFFF50><p> Saņemam datus... </p></font>";
        }

        if(http.readyState == 0) {
            document.getElementById('searchres').innerHTML = "<font color:#FFFF50><p> Darbība nav uzsākta </p></font>";
        }
}