function get_corp_item(c,to_update,sel_name){
    var req = new JsHttpRequest();

        req.onreadystatechange = function() {
        if (req.readyState == 4) {
            to_update.innerHTML = req.responseJS.res_html;
        };
    }
    req.open(null, '/ajax/fast_go.php', true);
    // Send data to backend.
    if(c.value!='999999')req.send( {q: c, sel: sel_name} );
}

function get_item_by_corp(c,to_update,sel_name){
    var req = new JsHttpRequest();

        req.onreadystatechange = function() {
        if (req.readyState == 4) {
            to_update.innerHTML = req.responseJS.res_html;
        };
    }
    req.open(null, '/ajax/compare.php', true);
    // Send data to backend.
    if(c.value!='999999')req.send( {q: c, sel: sel_name} );
}

function doBigPhoto(id, photo_id){
    var req = new JsHttpRequest();
    var s=id;
    req.onreadystatechange = function() {
        if (req.readyState == 4) {
            // Write result to page element (_RESULT becomes responseJS). 
            document.getElementById('big_photo').innerHTML = '<a href="../'+req.responseJS.big_img+'" class="highslide" onclick="return hs.expand(this)"><img src="../makethumb.php?pic='+req.responseJS.big_img+'&w=240&sq=Y" border="0" style="padding-bottom:5px;"></a><div class=\'highslide-caption\' id=\'caption1\'></div>';
        }
    }
    if(id=='99999') s+='&'+photo_id;
    // Prepare request object (automatically choose GET or POST).
    req.open(null, '/ajax/getImg.php', true);
    // Send data to backend.
    req.send( { q: s } );
}