<html><head>
<style>
input {float:left;}
.nl {clear:left;}
</style>
</head><body>
<div id="Elements">
<span onclick="add()">add</span>
<input type="text" onclick="fill(0)" name="name[]">
<input type="text" name="name[]" value="1">
</div>
<script type="text/javascript">
var fields = document.getElementById('Elements').getElementsByTagName('input');
function add()
{
var InputNeu = document.createElement('input');
var InputNeu2 = document.createElement('input');
var Attribute = document.createAttribute('class');
Attribute.nodeValue = "nl";
document.getElementById('Elements').appendChild(InputNeu);
document.getElementById('Elements').appendChild(InputNeu2);
var number = fields.length - 2;
fields[number + 1].value = Math.round (Math.random() * 1000000);
fields[number].ondblclick = function () { fill (number); }
fields[number].setAttributeNode(Attribute);
}
function fill(number)
{
fields[number].value = fields[number+1].value - 1;
}
</script>
</body></html>
if ( getAge(new Date(fields_input[j].value)) < 13) setMealSwitch(fields_select[i].value, 0);
<input name="firstname[father]" id="firstname_father" value="<?=$_GET['firstname']['father']?>" /> <input name="firstname[mother]" id="firstname_mother" value="<?=$_GET['firstname']['mother']?>" />
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