function renderCorners( elementId, renderer )
{
    var element = $( elementId );

    if ( element != null ) {
        renderer.render( element );
    }
}

var shadedBorderStartTime = new Date().getTime();

var formHeaderRenderer = RUZEE.ShadedBorder.create({ corner:8, edges:"tlr" });
var formFooterRenderer = RUZEE.ShadedBorder.create({ corner:8, edges:"blr", border: 1 });

var infoBoxRenderer = RUZEE.ShadedBorder.create({ corner:8 });

var shadedBorderCalcTime = "Calculation time: " + ((new Date().getTime() - shadedBorderStartTime) / 1000.0) + "s";