var ie4 = (document.all) ? true : false;
var ns6 = (document.getElementById && !document.all) ? true : false;
var servicesOpen = true;
var listingsOpen = true;
  
function toggleServicesSubMenu()
{

if (ie4)
{
  if (document.all.servicesSubMenu.style.display == "block")
  {
   document.all.servicesSubMenu.style.display = "none";
   document.all.servicesSubMenuButton.src = "http://www.peterfreitag.co.uk/images/but_services_off.gif";
   document.all.servicesSubMenuButton.title = "Click to Expand - Residential, Commercial and Buy to Let Services";
   servicesOpen = false;
  }
  else
  {
   document.all.servicesSubMenu.style.display = "block";
   document.all.servicesSubMenuButton.src = "http://www.peterfreitag.co.uk/images/but_services_on.gif";
   document.all.servicesSubMenuButton.title = "Click to Contract";
   servicesOpen = true;
  }
}

if (ns6)
{
 if (document.getElementById('servicesSubMenu').style.display == "block")
 {
   document.getElementById('servicesSubMenu').style.display = "none";
   document.getElementById('servicesSubMenuButton').src = "http://www.peterfreitag.co.uk/images/but_services_off.gif";
   document.getElementById('servicesSubMenuButton').title = "Click to Expand - Residential, Commercial and Buy to Let Services";
   servicesOpen = false;
 }
 else
 {
   document.getElementById('servicesSubMenu').style.display = "block";
   document.getElementById('servicesSubMenuButton').src = "http://www.peterfreitag.co.uk/images/but_services_on.gif";
   document.getElementById('servicesSubMenuButton').title = "Click to Contract";
   servicesOpen = true;
 }
 }
}

function togglePropertiesSubMenu()
{

if (ie4)
{
  if (document.all.propertiesSubMenu.style.display == "block")
  {
   document.all.propertiesSubMenu.style.display = "none";
   document.all.propertiesSubMenuButton.src = "http://www.peterfreitag.co.uk/images/but_proplistings_off.gif";
   document.all.propertiesSubMenuButton.title = "Click to Expand - Residential to Buy, Residential to Let and Commercial Listings";
   listingsOpen = false;
  }
  else
  {
   document.all.propertiesSubMenu.style.display = "block";
   document.all.propertiesSubMenuButton.src = "http://www.peterfreitag.co.uk/images/but_proplistings_on.gif";
   document.all.propertiesSubMenuButton.title = "Click to Contract";
   listingsOpen = true;
  }
}

if (ns6)
{
 if (document.getElementById('propertiesSubMenu').style.display == "block")
 {
   document.getElementById('propertiesSubMenu').style.display = "none";
   document.getElementById('propertiesSubMenuButton').src = "http://www.peterfreitag.co.uk/images/but_proplistings_off.gif";
   document.getElementById('propertiesSubMenuButton').title = "Click to Expand - Residential to Buy, Residential to Let and Commercial Listings";
   listingsOpen = false;
 }
 else
 {
   document.getElementById('propertiesSubMenu').style.display = "block";
   document.getElementById('propertiesSubMenuButton').src = "http://www.peterfreitag.co.uk/images/but_proplistings_on.gif";
   document.getElementById('propertiesSubMenuButton').title = "Click to Contract";
   listingsOpen = true;
 }
 }
}

function showPropertyContact()
{
  if (ie4)
  {
    document.all.propertyContact.style.display = "block";
  }
  if (ns6)
  {
    document.getElementById('propertyContact').style.display = "block";
  }
}

function outputInputStyleSheetLink()
{
  if (ie4 || ns6)
  {
    document.write('<link href="css/input.css" rel="stylesheet" type="text/css">');
  }
}

function blinkButton(buttonName)
{
  if (buttonName == "services")
  {
    if (servicesOpen == false)
	{
	  swapImage("services");
	}
  }
  if (buttonName == "listings")
  {
    if (listingsOpen == false)
	{
	  swapImage("listings");
	}
  }
}


function swapImage(button)
{
  if (button == "listings")
  {
    if (ns6)
	{
	   document.getElementById('propertiesSubMenuButton').src = "http://www.peterfreitag.co.uk/images/but_proplistings_off.gif";
	}
	if (ie4)
	{
      document.all.propertiesSubMenuButton.src = "http://www.peterfreitag.co.uk/images/but_proplistings_off.gif";
	}
  }
  if (button == "services")
  {
    if (ns6)
	{
	   document.getElementById('servicesSubMenuButton').src = "http://www.peterfreitag.co.uk/images/but_services_off.gif";
	}
	if (ie4)
	{
      document.all.servicesSubMenuButton.src = "http://www.peterfreitag.co.uk/images/but_services_off.gif";
	}
  }
}

outputInputStyleSheetLink();