Event.observe(window, 'load', window_load);

function window_load()
{
  init_rollovers($$('.cloth_panel'));
}

function init_rollovers(elements)
{
  elements.each(function(el)
  {
    var img = el.down('img');
    Event.observe(img, 'mouseover', function(){this.src = this.src.replace('-off', '-over')});
    Event.observe(img, 'mouseout', function(){this.src = this.src.replace('-over', '-off')});
  });
}