function SetHeight(targetID, completeSourceID, partSourceID)
{
	var target = document.getElementById(targetID);
	var completeSource = document.getElementById(completeSourceID);
	var partSource = document.getElementById(partSourceID);
	
	var height = completeSource.clientHeight - partSource.clientHeight;

	if (height > 20)
		target.style.height = target.clientHeight + height;
}