anchor.diff:  
   div.collapsable_div_header {
     margin: 0; 
  -  background-image: url('../images/header-bg.png');
  +  background-image: url("<%= asset_path('header-bg.png') %>");
     background-position: top;
     background-repeat: repeat-x;
     background-color: #eee;
  
positive.code: 
  #topbar {
      height: 20px;
      background-image: url('../images/searchfade-repeat.png');
      background-repeat: repeat-x;
      background-position: top center;
      padding: 10px 0;
  
negative.code:     border: 2px solid #999;
      border-width: 1px 0 1px 0;
      color: #333;
      background-image: url("<%= asset_path('footer-bg.png') %>");
      background-position: top;
      background-repeat: repeat-x;
      background-color: #eee;
  