Can't set colors in specific program?!?! help!

--==> WinPOP v1.0, 2/16/16 <==-
-- ](c)Lewisk3-Corpz - 2016 [--

function init()
--==> Hiding POPWindows table
popwindows = {}
selectedwindow = ''
end
function getWindowByID(id)
for _, v in pairs(popwindows) do
  if(v.id == id)then
   return v
  end
end
end
function setContentPos(winid,xx,yy)
  local startX = getWindowByID(winid).x
  local startY = getWindowByID(winid).y
  term.setCursorPos(startX + xx, startY + yy)
end
getContentPos = term.getCursorPos
function getWindowPos(winid)
return getWindowByID(winid).x, getWindowByID(winid).y
end
function newWindow(idenity,size,colors,requestfocus)
local win = {
  x = size[1],
  y = size[2],
  px = 0,
  py = 0,
  mx = size[3],
  my = size[4],
  tc = colors[1],
  bc = colors[2],
  tbc = colors[3],
  ttc = colors[4],
  id = idenity,
  drawn = false,
  title="New Window",
  contents = {},
  dragable = true,
  draging = false,
  draw=function(self)
   if(self.x ~= self.px or self.y ~= self.py)then
	term.current().setVisible(false)
					  -->>>>>>>>>> HERE IT ERRORS <<<<<<<<<--
	term.setBackgroundColor(colors.black)
	term.setTextColor(colors.white)
	term.clear()
					 ------------------------------------------------------------------
	term.setCursorPos(self.x,self.y)
	term.setBackgroundColor(self.tbc)
	term.write(string.rep(" ",self.mx))
	term.setCursorPos(self.x+1, self.y)
	term.setTextColor(self.ttc)
	term.write(self.title)
	term.setCursorPos((self.mx+self.x),self.y)
	--term.setBackgroundColor(colors.red)
	--term.setTextColor(colors.white)
	write("X")
	paintutils.drawFilledBox(self.x,self.y+1,(self.mx)+self.x,(self.my)+self.y,self.bc)
	self.px = self.x
	self.y = self.py
	term.current().setVisible(true)
   end
  end,
  update=function(self, ev)
   if(selectedwindow ~= self.id and #popwindows <= 1)then
	selectedwindow = self.id
   end
   if(selectedwindow == self.id)then
	for _,v in pairs(self.contents) do
	 v.content(ev)
	end
	-- draging and closing
	if(self.dragable)then
	 if(ev[1] == "mouse_drag" and not self.draging)then
	  if(ev[3] >= self.x and ev[3] <= self.x+self.mx)then
	   self.x = ev[3]
	   self.y = ev[4]
	   self.draging = true
	  end
	 elseif(self.draging and ev[1] == "mouse_up")then
	  self.draging = false
	 end
	 if(self.draging)then
	  self.x = ev[3]
	  self.y = ev[4]
	 end
	end
	if(ev[1] == "mouse_click")then
	 if(ev[3] == self.x+self.mx )then
	  self:Dispose()
	 end
	end
	self:draw()
   end
  end,
  Dispose=function(self)
   local loops = 0
   for _, v in pairs(popwindows) do
	if(v.id == self.id)then
	 term.current().setVisible(false)
	 term.setBackgroundColor(colors.black)
	 term.setTextColor(colors.white)
	 term.clear()
	 popwindows[loops] = nil
	 term.current().setVisible(true)
	end
	loops = loops + 1
   end
  end,
  setTitle=function(self,ntitle)
   self.title=ntitle
  end,
  clearContents = function(self)
   self.contents = {}
  end,
  addContent=function(self,CONTENT)
   self.contents[#self.contents+1] = {}
   self.contents[#self.contents+1].content = CONTENT
  end,
  setDragable=function(self,ndragable)
   dragable = ndragable
  end,
  render=function(self)
   for _, v in pairs(popwindows) do
	if(v.id == self.id)then
	 error("Window already rendered.")
	end
   end
   popwindows[#popwindows+1] = self
  end,
}
if(requestfocus)then selectedwindow = win.id end
return win
end

--==> WinPOP v1.0, 2/16/16 <==-
-- ]©Lewisk3-Corpz - 2016 [--

function init()
popwindows = {}
selectedwindow = ''
-- Setting up special GUI tracking functions
_G.old = {}
_G.winpop = {}
_G.old.setBackgroundColor = _G.term.setBackgroundColor
_G.term.setBackgroundColor = function(color)
  _G.winpop.bcolor = color
  _G.old.setBackgroundColor(color)
end
_G.term.getBackgroundColor = function()
  return _G.winpop.bcolor
end
_G.old.setTextColor = _G.term.setTextColor
_G.term.setTextColor = function(color)
  _G.winpop.tcolor = color
  _G.old.setTextColor(color)
end
_G.term.getTextColor = function()
  return _G.winpop.tcolor
end

end
function getWindowByID(id)
for _, v in pairs(popwindows) do
  if(v.id == id)then
   return v
  end
end
end
function setContentPos(winid,xx,yy)
  local startX = getWindowByID(winid).x
  local startY = getWindowByID(winid).y
  term.setCursorPos(startX + xx, startY + yy)
end
getContentPos = term.getCursorPos
function getWindowPos(winid)
return getWindowByID(winid).x, getWindowByID(winid).y
end

function redraw()
local loops = 0
for _, v in pairs(popwindows) do
  if(not v.closed)then
   v:draw(false)
  else
   popwindows[loops] = nil
  end
  loops = loops + 1
end
end
function newWindow(idenity,size,wincols,requestfocus)
local win = {
  x = size[1],
  y = size[2],
  px = 0,
  py = 0,
  mx = size[3],
  my = size[4],
  tc = wincols[1],
  bc = wincols[2],
  tbc = wincols[3],
  ttc = wincols[4],
  id = idenity,
  drawn = false,
  title="New Window",
  contents = {},
  dragable = true,
  draging = false,
  closed = false,
  clear=function(self,redr)
   local bkg = colors.black --]] term.getBackgroundColor()
   local bkt = colors.white --]] term.getTextColor()
   paintutils.drawFilledBox(self.x,self.y,
	(self.mx)+self.x,(self.my)+self.y+2,colors.black)
   if(redr)then redraw() end
  end,
  draw=function(self,always)
   if( (self.x ~= self.px or self.y ~= self.py) or always)then
	term.current().setVisible(false)
	term.setCursorPos(self.x,self.y)
	term.setBackgroundColor(self.tbc)
	term.write(string.rep(" ",self.mx))
	term.setCursorPos(self.x+1, self.y)
	term.setTextColor(self.ttc)
	term.write(self.title)
	term.setCursorPos((self.mx+self.x),self.y)
	term.setBackgroundColor(colors.red)
	term.setTextColor(colors.white)
	write("X")
	paintutils.drawFilledBox(self.x,self.y+1,(self.mx)+self.x,(self.my)+self.y,self.bc)
	self.px = self.x
	self.y = self.py
	--term.setBackgroundColor(bkg)
	--term.setTextColor(bkt)
	term.current().setVisible(true)
   end
  end,
  update=function(self, ev)
	for _,v in pairs(self.contents) do
	 v.content(ev)
	end
	-- draging and closing
	if(self.dragable)then
	 if(ev[1] == "mouse_drag" and not self.draging)then
	  if(ev[3] >= self.x and ev[3] <= self.x+self.mx and ev[4] >= self.y and ev[4] <= self.y+self.my )then
	   self.draging = true
	  end
	 end
	 if(self.draging and ev[1] == "mouse_up")then
	  self.draging = false
	 end
	 if(self.draging and ev[4] > 1 and ev[3] > 2 )then
	  self.x = ev[3]
	  self.y = ev[4]
	 end
	end
	if(ev[1] == "mouse_click")then
	 if(ev[3] == self.x+self.mx )then
	  self:Dispose()
	 else
	  selectedwindow = self.id
	  self:draw(true)
	 end
	end
  end,
  Dispose=function(self)
   local loops = 0
   for _, v in pairs(popwindows) do
	if(v.id == self.id)then
	 term.current().setVisible(false)
	 redraw()
	 self.closed = true
	 term.current().setVisible(true)
	end
	loops = loops + 1
   end
  end,
  setTitle=function(self,ntitle)
   self.title=ntitle
  end,
  clearContents = function(self)
   self.contents = {}
  end,
  addContent=function(self,CONTENT)
   self.contents[#self.contents+1] = {}
   self.contents[#self.contents+1].content = CONTENT
  end,
  setDragable=function(self,ndragable)
   dragable = ndragable
  end,
  render=function(self)
   for _, v in pairs(popwindows) do
	if(v.id == self.id)then
	 error("Window already rendered.")
	end
   end
   popwindows[#popwindows+1] = self
  end,

}
if(requestfocus)then selectedwindow = win.id end
return win
end
function update(ev)
local loops = 0
for _, v in pairs(popwindows) do
  if(not v.closed)then
   v:draw(false)
   v:update(ev)
  else
   popwindows[loops] = nil
  end
  loops = loops + 1
end
end