var mouse_position_x = 0, mouse_position_y = 0;
function ajad_updateMousePosition(context){
    if (document.captureEvents) {
        mouse_position_x = Number(context.pageX);
        mouse_position_y = Number(context.pageY);
    }
    else
        if (window.event.clientX) {
            mouse_position_x = Number(window.event.clientX + document.documentElement.scrollLeft);
            mouse_position_y = Number(window.event.clientY + document.documentElement.scrollTop);
        }
    //  log(mouse_position_x+":"+mouse_position_y);
}

$(document.body).mousemove(ajad_updateMousePosition);