问position:相对显示为position: static

EN

<div class="diary-event ui-corner-all" title="[title]">
    <span id="delete"></span>
    <div class="diary-event-title ui-corner-all">[title]</div>
    <div class="diary-event-body ui-corner-all">
        <p class="hyphenate">[body]</p>
    </div>
</div>

.ui-corner-all
{
    -moz-border-radius:4px 4px 4px 4px;
}
.diary-event
{
    display:block;
    height:100%;
    position:relative !important;
    vertical-align:top;
    width:100%;
    word-wrap:break-word;
}
table *
{
    margin:0;
    padding:0;
}

#diary-grid
{
    border-collapse:collapse;
}
body
{
    font-family:Arial;
}

start: function(event, ui)
{
    $(diary_event).attr('style','position: relative'); // <----
    diary_event = $(this);
    diary_event_parent = $(this).parent();
}