JavaScript DHTML/Event onMethod/onBlur
"onBlur" Example
<head>
<script language="JavaScript">
function function1() {
window.open("http://www.wbex.ru", "", "");
}
</script>
</head>
<body>
Press the Tab key to set focus on the link below.<br>
<a id="myL" href="http://www.wbex.ru/" target=_blank onBlur="function1()">
wbex.ru
</a>
<br>
Now press the Tab key again to move focus to another element.
</body>