<html>
<head>
<script>
function isKeyPressed(event)
{
if (event.shiftKey==1)
{
alert("The shift key was pressed!");
}
else
{
alert("The shift key was NOT pressed!");
}
}
</script>
</head>
<body onmousedown="isKeyPressed(event)">
<p>Click somewhere in the document. An alert box will tell you if you pressed the shift key or not.</p>
</body>
</html>