   </select>


    <label for="xlower">X lower:</label>
    <input id="xlower" type="text" value='79480'/>

    <label for="xupper">X upper:</label>
    <input id="xupper" type="text" value='80000'/>

    <label for="ylower">Y lower:</label>
    <input id="ylower" type="text" value='454670'/>

    <label for="yupper">Y upper:</label>
    <input id="yupper" type="text" value='455190'/>


    <button id="start">Start simulation</button>
    <ul id="reaction-list">


    </ul>
</div>
<div id="map">
    <!--<di