function newsletter() {
var popurl="http://3000grad-stereo.de/newsletter/user/subscribe.php"
winpops=window.open(popurl,"","width=500,height=350,")
}
function check()
{
	input_box=confirm("Sind Sie sicher?");
	if (input_box==true)

	{ 
	// Output when OK is clicked
	return true;
	}

	else
	{
	// Output when Cancel is clicked
	return false;
	}
}