var RollOver = null;
var lastProgram_id = 0;
function ProgramListRegisterRollOverId(id)
{       
    RollOver = xGetElementById("ProgramListRollOver");         
}
function ProgramMouseOver(program_id)
{
    if (RollOver != null)
        {
        var url = "/utility/SummaryViewer.aspx?targetNode=SUMMARY&program_id=" + program_id;
        if(lastProgram_id != program_id)    
        {
            RollOver.src = url;
            lastProgram_id = program_id;
        }
    }        
}
// Called by the page.  Content contains the parsed content to display in the rollover.