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Check Box

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Jan 28.2009

Hello
i want a small help.

i want a function that when you check on a check box another check box appears

to post a comment
JavaScript

1 Comments(s) ↴

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@FangJan 28.2009 — <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

<script type="text/javascript">
function createBox(obj) {
obj.onclick=null;
var elm=null;
var name='box';
var list=document.getElementsByTagName('input');
for(var i=boxes=0; i<list.length; i++) {
if(list[i].getAttribute('type')=='checkbox' && !list[i].getAttribute('name').indexOf('box')) {
boxes++;
}
}

try {
elm=document.createElement('<input type="checkbox" name="'+(name+boxes)+'">');
}
catch(e) {
elm=document.createElement('input');
elm.setAttribute('type', 'checkbox');
elm.name=name+boxes;
}
elm.onclick=function(){createBox(this);};
obj.parentNode.appendChild(elm);
}

window.onload=function() {
document.getElementsByName('box')[0].onclick=function(){createBox(this);};
};
</script>

<style type="text/css">
</style>

</head>
<body>
<form action="#" name="form1">
<div><input type="checkbox" name="box"></div>
</form>
</body>
</html>
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