Arduinology

 <Definition>
      <Id>
        <TypeId>MedicalRoom</TypeId>
        <SubtypeId>LargeMedicalRoom</SubtypeId>
      </Id>
      <DisplayName>DisplayName_Block_MedicalRoom</DisplayName>
      <Icon>Textures\GUI\Icons\Cubes\medical_room.dds</Icon>
      <CubeSize>Large</CubeSize>
      <BlockTopology>TriangleMesh</BlockTopology>
      <Size x="2" y="1" z="2" />

Arduinology

// change main category hover image
$('.maincategories .maincategory .views-row').each(function() {
    $(this).mouseover(function() {
        var tip = $(this).find('.views-field-name a').text();
        $(this).attr('title', tip);
        $(this).find('.views-field-field-hover-image').show();
        $(this).find('.views-field-field-default-image').hide();
    });
    $(this).mouseout(function() {
        $(this).find('.views-field-field-hover-image').hide();