Esto está en el head:
Código PHP:
<head>
<title>Untitled Document</title>
<script>
function countChoices(obj) {
max = 5; // max. number allowed at a time
a = obj.form.PollVote[1].checked; // your checkboxes here
b = obj.form.PollVote[2].checked; // your checkboxes here
c = obj.form.PollVote[3].checked; // your checkboxes here
d = obj.form.PollVote[4].checked; // your checkboxes here
e = obj.form.PollVote[5].checked; // your checkboxes here
// add more if necessary
count = (a ? 1 : 0) + (b ? 1 : 0) + (c ? 1 : 0) + (d ? 1 : 0) + (e ? 1 : 0);
// If you have more checkboxes on your form
// add more (box_ ? 1 : 0) 's separated by '+'
if (count > max) {
alert("Atencion! Solo puede seleccionar " + max + " opcion! \Quite una de ellas si quiere seleccionar otra.");
obj.checked = false;
}
}
</script>
Código PHP:
<form name="form" method="post" action="">
<table width="100%" border="1" cellspacing="0" cellpadding="0">
<tr>
<td> </td>
<td>
<div align="center">Marca</div>
</td>
<td>
<div align="center">Procesador</div>
</td>
<td>
<div align="center">Memoria (Mb)</div>
</td>
<td>
<div align="center">Disco Duro (Gb)</div>
</td>
<td>
<div align="center">Sistema Operativo</div>
</td>
<td>
<div align="center">Monitor</div>
</td>
</tr>
<%
While ((Repeat1__numRows <> 0) AND (NOT Ordenadores.EOF))
%>
<tr>
<td>
<div align="center">
<input type="checkbox" value="1" name="PollVote" onClick="countChoices(this)">
</div>
</td>
<td><%=(Ordenadores.Fields.Item("Marca").Value)%></td>
<td><%=(Ordenadores.Fields.Item("Procesador").Value)%></td>
<td><%=(Ordenadores.Fields.Item("Memoria").Value)%></td>
<td><%=(Ordenadores.Fields.Item("Disco_Duro").Value)%></td>
<td><%=(Ordenadores.Fields.Item("Sistema_Operativo").Value)%></td>
<td><%=(Ordenadores.Fields.Item("Monitor").Value)%></td>
</tr>
<%
Repeat1__index=Repeat1__index+1
Repeat1__numRows=Repeat1__numRows-1
Ordenadores.MoveNext()
Wend
%>
</table>
</form>
Salu2
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