<form> 원하시는 메뉴는?<br> <input type=radio name=radio1 value="한식" onClick="this.form.text1.disabled=true" checked>한식 <input type=radio name=radio1 value="양식" onClick="this.form.text1.disabled=true">양식 <input type=radio name=radio1 value="중식" onClick="this.form.text1.disabled=true">중식 <input type=radio name=radio1 value="기타" onClick="this.form.text1.disabled=false">기타<br> 기타사항 입력: <input type=text name=text1 disabled> </form>
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