function showBasket() {
    // document.getElementById('basket_preview').style.visibility = "visible";
    // document.onmousemove=mouseposition;
}

function mouseposition(e) {
    var x = e? e.pageX : event.clientX;
    var y = e? e.pageY : event.clientY;
    document.getElementById('basket_preview').style.top = y + 10 - document.body.scrollTop + "px";
    document.getElementById('basket_preview').style.left = x - 380 - document.body.scrollLeft + "px";
}

function clearBasket() {
    // document.onmousemove=null;
    // document.getElementById('basket_preview').style.visibility = "hidden";
}