options_example.html

<select name="asignatura">
    <option value="" selected="selected">-- Select subject --</option>
    <optgroup label="Computer Engineering-Computer Systems Engineering">
        <option value="2040004">2040004 - Physical Foundations of Computing (Second semester - 6 credits)</option>
        <option value="2040007">2040007 - Infinitesimal and Numerical Calculus (Second semester - 6 credits)</option>
        <!-- Add more options as needed -->
    </optgroup>
    <optgroup label="Computer Engineering-Software Engineering">
        <option value="2050006">2050006 - Business Administration (Second semester - 6 credits)</option>
        <option value="2050008">2050008 - Statistics (Second semester - 6 credits)</option>
        <!-- Add more options as needed -->
    </optgroup>
    <optgroup label="Computer Engineering-Information Technologies">
        <option value="2060002">2060002 - Business Administration (Second semester - 6 credits)</option>
        <option value="2060007">2060007 - Statistics (Second semester - 6 credits)</option>
        <!-- Add more options as needed -->
    </optgroup>
    <optgroup label="Health Engineering by the University of Malaga and the University of Seville">
        <option value="2260002">2260002 - Advanced Calculus (Second semester - 6 credits)</option>
        <option value="2260007">2260007 - Statistics (Second semester - 6 credits)</option>
        <!-- Add more options as needed -->
    </optgroup>
    <optgroup label="Double Degree in Computer Engineering and Mathematics">
        <option value="2470001">2470001 - Business Administration (Second semester - 6 credits)</option>
        <option value="2470007">2470007 - Computer Systems Structure (Second semester - 6 credits)</option>
        <!-- Add more options as needed -->
    </optgroup>
</select>