jquery ui sortable receive(e,ui), how do I get a child of the incoming element so that I can show() it?
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I am using the receive event for my sortable list, I need the event to be able to change the style of one of the child elements of an element when it is dragged in from a draggable. Here's a simplified example:

        <ul id="sortable">
          <li>element1<div class="child"></div></li>
          <li>element2<div class="child"></div></li>
        <ul>

        <ul id="draggable">
          <li>element3<div class="child"></div></li>
          <li>element4<div class="child"></div></li>
        <ul>

With JS:

        $('#sortable').sortable(
		{
		      //extra stuff excluded

	              receive: function(e, ui)
                             {
                                //how do I use ui to get the child element "child"?
                                //also I need to be able to style the current li element
                             }
		}
	);

        $('#draggable').draggable(
                {
		      connectToSortable: '#sortable'
                }
        );