<form name=form1><input type=radio name=r1 value="1" onclick="this.form.submit1.disabled=false;">按钮1<br>
<input type=radio name=r1 value="1" onclick="this.form.submit1.disabled=false;">按钮2<br>
<input type=radio name=r1 value="1" onclick="this.form.submit1.disabled=false;">按钮3<br>
<input type=radio name=r1 value="1" onclick="this.form.submit1.disabled=false;">按钮4<br><input type=submit name=submit1 disabled>
</form>
<input type=radio name=r1 value="1" onclick="this.form.submit1.disabled=false;">按钮2<br>
<input type=radio name=r1 value="1" onclick="this.form.submit1.disabled=false;">按钮3<br>
<input type=radio name=r1 value="1" onclick="this.form.submit1.disabled=false;">按钮4<br><input type=submit name=submit1 disabled>
</form>
解决方案 »
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