Javascript get ID of a child element
<html>
<body>
<div id="oInput">
<input id="1" type="text">
<input id="2" type="text">
<input id="3" type="text">
<input id="4" type="text">
<input id="5" type="text">
</div>
<script type="text/javascript">
var oInput = document.getElementById('oInput'),
oChild;
for(i = 0; i < oInput.childNodes.length; i++){
oChild = oInput.childNodes[i];
if(oChild.nodeName == 'INPUT'){
alert(oChild.id);
}
}
</script>
</body>
</html>