jquery pass value from main window to popup window

i want to pass value from my main window to the popup window i am tryin to use jquery i already using list of item to show them as a grid view i want when the user click on detail button its show to him popup window

  <div class="thumbnail" >
            <img class="group lis t-group-image" style="height: 221px;
width: 353px; padding: 2px;
" src="../1'.$sql['img'].'" />
            <div class="caption" style="height: 105px;">
                <h4 class="group inner list-group-item-heading">
                    '.$sql['name'].'</h4>
                <p class="group inner list-group-item-text">
                    '.$sql['details'].' </p>
                <div class="row">
                    <div class="col-xs-12 col-md-12">
                        <p id="price1" class="lead">prdoudct price :'.$sql['price'].'</p></div>

                </div>
            </div>

           <button id="btn1">Show Text</button>
           <button data-toggle="modal" href="#shortModal"  id="ww" class="btn btn-primary">details </button>



        </div>

and here is the popup modal

<div id="shortModal" class="modal modal-wide fade">
<div class="modal-dialog">
    <div class="modal-content">
        <div class="modal-header">
            <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
            <h4 class="modal-title">Modal title</h4>
        </div>
        <div class="modal-body">
            <p>One fine body…</p>
        </div>
        <div class="modal-footer">
            <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
            <button type="button" class="btn btn-primary">Save changes</button>
        </div>
    </div><!-- /.modal-content -->
</div><!-- /.modal-dialog -->

i want to pass the value to popup window to show details so any help ?