JavaScript / Radio / Radio определяет текст

<form action="" name="musicForm">
 <INPUT TYPE="text" NAME="catalog" SIZE="20">
 <INPUT TYPE="radio" NAME="musicChoice" VALUE="soul-and-r&b"
 onClick="musicForm.catalog.value='soul'">
 Soul and R&B
 <INPUT TYPE="radio" NAME="musicChoice" VALUE="jazz"
 onClick="musicForm.catalog.value = 'jazz'"> Jazz
 <INPUT TYPE="radio" NAME="musicChoice" VALUE="classical"
 onClick="musicForm.catalog.value = 'classic'"> Classical
 </form>