if (self.Element && Element('q_head') && Element('q_foot'))
{
	Element('q_head').onkeyup = function()
	{
		Element('q_foot').value = Element('q_head').value;
	}
}
if (self.Element && Element('q_foot') && Element('q_head'))
{
	Element('q_foot').onkeyup = function()
	{
		Element('q_head').value = Element('q_foot').value;
	}
}