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

	function hide_product_in_cart_label()
	{
		document.getElementById('div_for_product_in_cart').style.display = 'none';
	}
	
	function show_product_in_cart_label()
	{
		document.getElementById('div_for_product_in_cart').style.display = 'block';
		
		var timer = setTimeout(hide_product_in_cart_label, 2500);
	}