function empty_field()
	{
		if (document.haku.keywords.value == ' Tuotehaku')
		{
			document.haku.keywords.value = '';
		}
	
	}

	function popupWindow(url) 
	{
		window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=500,height=600,screenX=150,screenY=150,top=20,left=120');
	}