function displayAllSales()
{
	var hiddenCommercial = document.getElementById("hiddenCommercial");
	hiddenCommercial.style.display = 'block';
	var hiddenHotels = document.getElementById("hiddenHotels");
	hiddenHotels.style.display = 'block';
	var hiddenResorts = document.getElementById("hiddenResorts");
	hiddenResorts.style.display = 'block';
}