// blink "on" state
function show()
{
	if (document.getElementById)
	document.getElementById("blink1").style.visibility = "visible";
	setTimeout("hide()", 450);
}
// blink "off" state
function hide()
{
	if (document.getElementById)
	document.getElementById("blink1").style.visibility = "hidden";
	setTimeout("show()", 450);
}