Using onclick to mark radiobutton

Hello.
Im fairly new at jQuery, so bear with me.
The following is auto-generated html (which i cannot edit).
<span
class="mrSingleText"><input type=radio class="mrSingle" name=LIST9 value=10>Meget enig<br></span><br>
<span class="mrSingleText"><input type=radio class="mrSingle" name=LIST9 value=11>Enig<br></span><br>
<span class="mrSingleText"><input type=radio class="mrSingle" name=LIST9 value=12Hverken…
Using onclick to mark radiobutton

See original post by Frederik G.L.