Sådan! nu er det præcis som du vil have det!
og måske er det ikke verdens pæneste men tog i det mindste opgaven;) og jeg programmere slet ikke java script:)
men det her virker som du vil have det.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"
http://www.w3.org/TR/html4/loose.dtd"><html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title></title>
<script type="text/javascript">
function clickCheckbox(rowNameList,checkIt)
{
var list = document.getElementsByName(rowNameList)
document.getElementById(checkIt.id).checked = true
for ( i = 0; i < list.length ; i++ )
{
if(list[i].id != checkIt.id){
document.getElementById(list[i].id).checked = false
}
}
}
</script>
<script type="text/javascript">
function submitForm()
{
var raekker = document.getElementById("minForm")
var mangler = new Boolean(true)
var counter = 1
for(i = 0; i < raekker.length; i++)
{
if(raekker[i].type == 'checkbox'){
if(counter > 3){
if(mangler == false){
mangler = true;
counter = 1
}
}
if(raekker[i].checked){
mangler = false
}
counter++
}
}
if(mangler == false)
{
document.minForm.submit();
}else{
alert('Du skal sætte et flueben i hver række!!')
}
}
</script>
</head>
<body>
<table width="200" border="1">
<form name="minForm" id="minForm">
<tr>
<td>
Et
<input type="checkbox" name="raekkeet" id="raekkeetEt" value="checkbox" onClick="clickCheckbox('raekkeet',raekkeetEt)">
To
<input type="checkbox" name="raekkeet" id="raekkeetTo" value="checkbox" onClick="clickCheckbox('raekkeet',raekkeetTo)">
Tre
<input type="checkbox" name="raekkeet" id="raekkeetTre" value="checkbox" onClick="clickCheckbox('raekkeet',raekkeetTre)">
</td>
</tr>
<tr>
<td>Et
<input type="checkbox" name="raekketo" id="raekketoEt" value="checkbox1" onClick="clickCheckbox('raekketo',raekketoEt)">
To
<input type="checkbox" name="raekketo" id="raekketoTo" value="checkbox1" onClick="clickCheckbox('raekketo',raekketoTo)">
Tre
<input type="checkbox" name="raekketo" id="raekketoTre" value="checkbox1" onClick="clickCheckbox('raekketo',raekketoTre)"></td>
</tr>
<tr>
<td>Et
<input type="checkbox" name="raekketre" id="raekketreEt" value="checkbox2" onClick="clickCheckbox('raekketre',raekketreEt)">
To
<input type="checkbox" name="raekketre" id="raekketreTo" value="checkbox2" onClick="clickCheckbox('raekketre',raekketreTo)">
Tre
<input type="checkbox" name="raekketre" id="raekketreTre" value="checkbox2" onClick="clickCheckbox('raekketre',raekketreTre)"><input name="send" value="Send!" onclick="submitForm()"></form></td>
</tr>
</table>
</body>
</html>
