arr_on = new Image();
arr_on.src = '/assets/BELLS/img/bellslink001.gif';
arr_off = new Image();
arr_off.src = '/assets/BELLS/img/bellslink000.gif';


/**
*  @param string mode
*/
function swapImage(mode)
{
	if (mode == 'on') {
		document.getElementById('arr').src = arr_on.src;
	} else {
		document.getElementById('arr').src = arr_off.src;		
	}
}