function SetItemButtonCount(button, count)
	if ( not button ) then
		return;
	end

	if ( not count ) then
		count = 0;
	end

	button.count = count;
	local countString = button.Count or _G[button:GetName().."Count"];
	if ( count > 1 or (button.isBag and count > 0) ) then
		if ( count > (button.maxDisplayCount or 9999) ) then
			count = "*";
		end
		countString:SetText(count);
		countString:Show();
	else
		countString:Hide();
	end
end

function SetItemButtonStock(button, numInStock)
	if ( not button ) then
		return;
	end

	if ( not numInStock ) then
		numInStock = "";
	end

	button.numInStock = numInStock;
	if ( numInStock > 0 ) then
		_G[button:GetName().."Stock"]:SetFormattedText(MERCHANT_STOCK, numInStock);
		_G[button:GetName().."Stock"]:Show();
	else
		_G[button:GetName().."Stock"]:Hide();
	end
end

function SetItemButtonTexture(button, texture)
	if ( not button ) then
		return;
	end
	local icon = button.icon or _G[button:GetName().."IconTexture"];
	if ( texture ) then
		icon:Show();
	else
		icon:Hide();
	end
	icon:SetTexture(texture);
end

function SetItemButtonTextureVertexColor(button, r, g, b)
	if ( not button ) then
		return;
	end
	
	local icon = button.icon or _G[button:GetName().."IconTexture"];
	icon:SetVertexColor(r, g, b);
end

function SetItemButtonDesaturated(button, desaturated)
	if ( not button ) then
		return;
	end
	local icon = button.icon or _G[button:GetName().."IconTexture"];
	if ( not icon ) then
		return;
	end
	
	icon:SetDesaturated(desaturated);
end

function SetItemButtonNormalTextureVertexColor(button, r, g, b)
	if ( not button ) then
		return;
	end
	
	_G[button:GetName().."NormalTexture"]:SetVertexColor(r, g, b);
end

function SetItemButtonNameFrameVertexColor(button, r, g, b)
	if ( not button ) then
		return;
	end
	
	local nameFrame = button.NameFrame or _G[button:GetName().."NameFrame"];
	nameFrame:SetVertexColor(r, g, b);
end

function SetItemButtonSlotVertexColor(button, r, g, b)
	if ( not button ) then
		return;
	end
	
	_G[button:GetName().."SlotTexture"]:SetVertexColor(r, g, b);
end

function HandleModifiedItemClick(link)
	if ( not link ) then
		return false;
	end
	if ( IsModifiedClick("CHATLINK") ) then
		local linkType = string.match(link, "|H([^:]+)");
		if ( linkType == "instancelock" ) then	--People can't re-link instances that aren't their own.
			local guid = string.match(link, "|Hinstancelock:([^:]+)");
			if ( not string.find(UnitGUID("player"), guid) ) then
				return true;
			end
		end
		if ( ChatEdit_InsertLink(link) ) then
			return true;
		end
	end
	if ( IsModifiedClick("DRESSUP") ) then
		return DressUpItemLink(link);
	end
	return false;
end