Popup Blocker Alert

<script language="javascript"> function detectPopupBlocker() {
var myTest = window.open("about:blank","","directories=no,height=100,width=100,menubar=no,
resizable=no,scrollbars=no,status=no,titlebar=no,top=0,location=no");
if (!myTest) {
alert("A popup blocker was detected.");
} else {
myTest.close();
alert("No popup blocker was detected.");
}
}
window.onload = detectPopupBlocker;
</script>