jq(document).ready(function() {
    jq(".expandable").mouseover(function(){
        var $kids = jq(this).children("ul");
        $kids.css("left", "auto");
    });
    jq(".expandable").mouseout(function(){
        var $kids = jq(this).children("ul");
        $kids.css("left", "-999em");
    });
});