[Phanx]

local function TradeSkillReagent_OnClick(self)
	local link, name = GetTradeSkillReagentItemLink(TradeSkillFrame.selectedSkill, self:GetID())
	if not link then
		name, link = GameTooltip:GetItem()
		if name ~= self.name:GetText() then
			return
		end
	end
	HandleModifiedItemClick(link)
end
for i = 1, 8 do
	_G["TradeSkillReagent"..i]:SetScript("OnClick", TradeSkillReagent_OnClick)
end

Added to BlizzBugSuck also.