-- line 1
GUIGUI
-- ???
-- lines 49, 51
guiSetText(ed1, "")
guiSetText(ed1, playername)
-- Why twice ???
-- line 73
addEventHandler( "hideLoginWindow", getRootElement(), hideLoginWindow )
-- There is no function with that name !!
-- last 2 lines
addEventHandler ( "onClientGUIClick", loginbtn, onClickBtn, false )
addEventHandler ( "onClientGUIClick", regbtn, onClickBtn2, false )
-- again, why twice ???