$(document).ready(function(){
    $(".PartLegend").hover(
        function(){openpanel(this, 0)},
        function(){closepanel(this, 300)}
    );
    $(".PartLegend").mousemove(
        function(){openpanel(this, 0);}
    );
    function openpanel(sender, delay){   
        if($(sender).find('.PartLegendSub').not(':animated').is(':hidden')){
            $(sender).find('.PartLegendSub').animate({opacity: 1.0}, delay).show();
        }
    }
    function closepanel(sender, delay){
            $(sender).find('.PartLegendSub').animate({opacity: 1.0}, delay).hide();
    }
});