function blink_show()
{
	blink_tags  = document.all.tags('blink');
	blink_count = blink_tags.length;
	for ( i = 0; i < blink_count; i++ )
	{
		blink_tags[i].style.visibility = 'visible';
	}
	window.setTimeout( 'blink_hide()', 750 );
}

function blink_hide()
{
	blink_tags  = document.all.tags('blink');
	blink_count = blink_tags.length;
	for ( i = 0; i < blink_count; i++ )
	{
		blink_tags[i].style.visibility = 'hidden';
	}
	window.setTimeout( 'blink_show()', 250 );
}