$(function () {
    $(".qqq").hover(function() {
        $truck = $(this).text().toLowerCase().replace(/ /g,"_");
        $("img#truckimage").attr("src","/sites/default/files/images/fork_lift_"+$truck+".png");
            }, function() {
        //$("img#truckimage").attr("src","/sites/default/files/images/fork_lift.png");
    });
});