// JavaScript Document
function bizhide()
{
  toggleElementDisplay( document.getElementById('bizhide'), document.getElementById('bizowneryes').checked );
}
function contacthide()
{
  toggleElementDisplay( document.getElementById('contacthide'), document.getElementById('contactedyes').checked );
}
function toggleDevelop()
{
	var aCombo = document.getElementById('project');

  toggleElementDisplay( document.getElementById('DevStart'),     aCombo.selectedIndex == 1 );
}
function acreshide()
{
  toggleElementDisplay( document.getElementById('acreshide'), document.getElementById('ownlandyes').checked );
}
function toggleReferral()
{
	var aCmb = document.getElementById('referral');
	var aLoc = document.getElementById('lochide');
	var aExp = document.getElementById('exphide');

	if (aCmb.selectedIndex == aCmb.options.length - 2)
	{
		toggleElementDisplay(aLoc, false);
		toggleElementDisplay(aExp, true);
	}
	else if (aCmb.selectedIndex == aCmb.options.length - 1)
	{
		toggleElementDisplay(aExp, true);
		toggleElementDisplay(aLoc, false);
	}
	else
		toggleElementDisplay(aExp, false);
		toggleElementDisplay(aLoc, false);
}
function toggleElementDisplay(theElement, theVisible)
{
	theElement.style["display"] = theVisible ? "block" : "none";
}