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<body>
<h1 align="center">Анкета успеваемости студента</h1>
<form name="form1">
<table align="center" border="2px">
<tr><th>#</th><th>Дисциплина</th><th>Оценка</th></tr>
<tr><td>1</td><td>Математика</td><td><input type="text" size="10" maxlength="1" name="rating" onkeyup="summ()"></td></tr>
<tr><td>2</td><td>Информатика</td><td><input type="text" size="10" maxlength="1" name="rating" onkeyup="summ()"></td></tr>
<tr><td>3</td><td>Физика</td><td><input type="text" size="10" maxlength="1" name="rating" onkeyup="summ()"></td></tr>
<tr><td>4</td><td>История</td><td><input type="text" size="10" maxlength="1" name="rating" onkeyup="summ()"></td></tr>
<tr><td>5</td><td>Русский язык</td><td><input type="text" size="10" maxlength="1" name="rating" onkeyup="summ()"></td></tr>
<tr><td>6</td><td>Физкультура</td><td><input type="text" size="10" maxlength="1" name="rating" onkeyup="summ()"></td></tr>
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<tr><td> </td><td>Средняя оценка</td><td><input type="text" size="10" id="sr"></td></tr>
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