function blinklink()
{
if (!blink.style.color)
	{
	blink.style.color="red"
	}
if (blink.style.color=="red")
	{
	blink.style.color="black"
	}
else
	{
	blink.style.color="red"
	}
timer=setTimeout("blinklink()",500)
}

function stoptimer()
{
clearTimeout(timer)
}