$(function()
{  
    //event handler for next arrow rollover
    $("#aright").hover(
    function()
    {
        $(this).attr('src','images/arrow_right_down.png');
    },
    function()
    {
        $(this).attr('src','images/arrow_right_up.png');
    });
    
        
    //event handler for prev arrow rollover
    $("#aleft").hover(
    function()
    {
        $(this).attr('src','images/arrow_left_down.png');
    },
    function()
    {
        $(this).attr('src','images/arrow_left_up.png');
    });
    
    //event handler for popup window close
    $("#closer").click(function () { 
       window.close();
      });

 });