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<SCRIPT LANGUAGE="JavaScript"> function check(form) { var checkit = true for (var i=0;i<form.sel.length;i++) { form.sel[i].checked?checkit=true:checkit=false; } if (checkit) {return true} else {alert("please select one");return false} } </SCRIPT> <form name="form1" onsubmit="return check(this)"> <input name="sel" type="radio" value="selA">A <input name="sel" type="radio" value="selB">B <input name="sel" type="radio" value="selC">C <INPUT TYPE="submit" VALUE="submit"> </form> |
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