onblur

js/script.js

function funFocus1() {
var val = document.getElementById('d1');
val.childNodes[1].style.border = '1px solid #F00';
val.childNodes[1].style.backgroundColor = '#FFFFCC';
}
function funBlur1() {
var val = document.getElementById('d1');
val.childNodes[1].style.border = '1px solid #808080';
val.childNodes[1].style.backgroundColor = '#FFF';
}
function funFocus7() {
var val = document.getElementById('d1');
val.childNodes[7].style.border = '1px solid #F00';
val.childNodes[7].style.backgroundColor = '#FFFFCC';
}
function funBlur7() {
var val = document.getElementById('d1');
val.childNodes[7].style.border = '1px solid #808080';
val.childNodes[7].style.backgroundColor = '#FFF';
}
function funFocus13() {
var val = document.getElementById('d1');
val.childNodes[13].style.border = '1px solid #F00';
val.childNodes[13].style.backgroundColor = '#FFFFCC';
}
function funBlur13() {
var val = document.getElementById('d1');
val.childNodes[13].style.border = '1px solid #808080';
val.childNodes[13].style.backgroundColor = '#FFF';
}
window.onload = function() {
var val = document.getElementById('d1');
val.childNodes[1].onfocus = funFocus1;
val.childNodes[1].onblur = funBlur1;
val.childNodes[7].onfocus = funFocus7;
val.childNodes[7].onblur = funBlur7;
val.childNodes[13].onfocus = funFocus13;
val.childNodes[13].onblur = funBlur13;
for(var i=0; i<val.childNodes.length; i++) {
if(i%2 != 0) {
val.childNodes[i].style.border = '1px solid #808080';
}
}
}

function funFocus1() {
var val = document.getElementById('d1');
val.childNodes[1].style.border = '1px solid #F00';
val.childNodes[1].style.backgroundColor = '#FFFFCC';
}
function funBlur1() {
var val = document.getElementById('d1');
val.childNodes[1].style.border = '1px solid #808080';
val.childNodes[1].style.backgroundColor = '#FFF';
}
function funFocus7() {
var val = document.getElementById('d1');
val.childNodes[7].style.border = '1px solid #F00';
val.childNodes[7].style.backgroundColor = '#FFFFCC';
}
function funBlur7() {
var val = document.getElementById('d1');
val.childNodes[7].style.border = '1px solid #808080';
val.childNodes[7].style.backgroundColor = '#FFF';
}
function funFocus13() {
var val = document.getElementById('d1');
val.childNodes[13].style.border = '1px solid #F00';
val.childNodes[13].style.backgroundColor = '#FFFFCC';
}
function funBlur13() {
var val = document.getElementById('d1');
val.childNodes[13].style.border = '1px solid #808080';
val.childNodes[13].style.backgroundColor = '#FFF';
}
window.onload = function() {
var val = document.getElementById('d1');
val.childNodes[1].onfocus = funFocus1;
val.childNodes[1].onblur = funBlur1;
val.childNodes[7].onfocus = funFocus7;
val.childNodes[7].onblur = funBlur7;
val.childNodes[13].onfocus = funFocus13;
val.childNodes[13].onblur = funBlur13;
for(var i=0; i<val.childNodes.length; i++) {
if(i%2 != 0) {
val.childNodes[i].style.border = '1px solid #808080';
}
}
}

index.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>New Page</title>
<script src="js/script.js"></script>
</head>
<body>
<div id="d1">
<input type="text" name="text1" />
<br />
<br />
<input type="text" name="text2" />
<br />
<br />
<input type="text" name="text3" />
</div>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>New Page</title>
<script src="js/script.js"></script>
</head>
<body>
<div id="d1">
<input type="text" name="text1" />
<br />
<br />
<input type="text" name="text2" />
<br />
<br />
<input type="text" name="text3" />
</div>
</body>
</html>