function set_color(_id, _value)
{
	t = document.getElementById(_id);
	s = document.getElementById(_id + "_sample");
	
	if(t != null && s != null)
	{
		t.value = _value;
		s.setAttribute("style", "border: solid 1px #000000; margin: 5px; width: 50px; height: 50px; background-color: "+_value+";");
	}
}