GUI Help pls

[DjThaKiller]

Hey everybody, i need you. Whats wrong with my script ???

PanelVisible = false 
  
function togglePanel ( player ) 
    if PanelVisible == false then 
        showGUIEditor_Window[1] = true 
        GUIEditor_Window = {} 
        GUIEditor_Button = {} 
        GUIEditor_Memo = {} 
        GUIEditor_Label = {} 
        GUIEditor_Radio = {} 
  
        GUIEditor_Window[1] = guiCreateWindow(705,-1,322,533,"Sunny Userpanel by DjThaKiller",false) 
        guiSetAlpha(GUIEditor_Window[1],1) 
        guiWindowSetMovable(GUIEditor_Window[1],false) 
        guiWindowSetSizable(GUIEditor_Window[1],false) 
        GUIEditor_Memo[1] = guiCreateMemo(26,57,87,34,"",false,GUIEditor_Window[1]) 
        GUIEditor_Button[1] = guiCreateButton(26,94,87,28,"Set",false,GUIEditor_Window[1]) 
        GUIEditor_Label[1] = guiCreateLabel(163,28,151,89,"Standardfarben/Basiccolors:\n0 = Black/Schwarz\n1 = White/Weiss\n2 = Blue/Blau\n3 = Red/Rot\n4 = Gray/Grau",false,GUIEditor_Window[1]) 
        GUIEditor_Label[2] = guiCreateLabel(9,24,140,30,"Farbe aendern\nChange color",false,GUIEditor_Window[1]) 
        GUIEditor_Label[3] = guiCreateLabel(124,142,75,46,"Shop",false,GUIEditor_Window[1]) 
        guiSetFont(GUIEditor_Label[3],"sa-header") 
        GUIEditor_Label[4] = guiCreateLabel(17,201,90,22,"Heuballen/Hay",false,GUIEditor_Window[1]) 
        GUIEditor_Button[2] = guiCreateButton(23,223,61,21,"Buy",false,GUIEditor_Window[1]) 
        GUIEditor_Label[5] = guiCreateLabel(126,201,91,18,"Bombe/Bomb",false,GUIEditor_Window[1]) 
        GUIEditor_Button[3] = guiCreateButton(135,223,61,21,"Buy Bomb",false,GUIEditor_Window[1]) 
        GUIEditor_Label[6] = guiCreateLabel(249,202,38,18,"Repair",false,GUIEditor_Window[1]) 
        GUIEditor_Button[4] = guiCreateButton(236,223,61,21,"Buy Fix",false,GUIEditor_Window[1]) 
        GUIEditor_Label[7] = guiCreateLabel(30,245,49,19,"15000 $",false,GUIEditor_Window[1]) 
        GUIEditor_Label[8] = guiCreateLabel(141,245,49,19,"15000 $",false,GUIEditor_Window[1]) 
        GUIEditor_Label[9] = guiCreateLabel(243,245,49,19,"15000 $",false,GUIEditor_Window[1]) 
        GUIEditor_Label[10] = guiCreateLabel(15,321,84,19,"Rampe/Ramp",false,GUIEditor_Window[1]) 
        GUIEditor_Label[11] = guiCreateLabel(74,267,186,45,"Special Shop",false,GUIEditor_Window[1]) 
        guiSetFont(GUIEditor_Label[11],"sa-header") 
        GUIEditor_Button[5] = guiCreateButton(22,343,61,21,"Buy Ramp",false,GUIEditor_Window[1]) 
        GUIEditor_Label[12] = guiCreateLabel(27,365,54,15,"150000 $",false,GUIEditor_Window[1]) 
        GUIEditor_Label[13] = guiCreateLabel(194,309,88,32,"Nebelmaschiene\nFog Machine",false,GUIEditor_Window[1]) 
        GUIEditor_Button[6] = guiCreateButton(203,340,61,21,"Buy Fog",false,GUIEditor_Window[1]) 
        GUIEditor_Label[14] = guiCreateLabel(208,362,54,15,"150000 $",false,GUIEditor_Window[1]) 
        GUIEditor_Label[15] = guiCreateLabel(64,392,191,42,"Vehicle change",false,GUIEditor_Window[1]) 
        guiSetFont(GUIEditor_Label[15],"sa-header") 
        GUIEditor_Radio[1] = guiCreateRadioButton(11,450,106,22,"Infernus",false,GUIEditor_Window[1]) 
        guiRadioButtonSetSelected(GUIEditor_Radio[1],true) 
        GUIEditor_Radio[2] = guiCreateRadioButton(11,498,106,21,"RC Bandit",false,GUIEditor_Window[1]) 
        GUIEditor_Radio[3] = guiCreateRadioButton(11,474,106,22,"BMX",false,GUIEditor_Window[1]) 
        GUIEditor_Button[7] = guiCreateButton(101,454,93,25,"Change",false,GUIEditor_Window[1]) 
        GUIEditor_Label[16] = guiCreateLabel(119,488,61,17,"1000000 $",false,GUIEditor_Window[1]) 
        GUIEditor_Radio[4] = guiCreateRadioButton(207,500,106,16,"Cheetah",false,GUIEditor_Window[1]) 
        GUIEditor_Radio[5] = guiCreateRadioButton(207,476,104,16,"Dodo",false,GUIEditor_Window[1]) 
        GUIEditor_Radio[6] = guiCreateRadioButton(207,452,102,16,"Turismo",false,GUIEditor_Window[1]) 
        showCursor = true 
        PanelVisible = true 
    else 
        if PanelVisible == true then 
            showGUIEditor_Window[1] = false 
            showCursor = false 
            PanelVisible = false 
        end 
    end 
end 
bindKey ( player, "u", "down", togglePanel ) 

My meta.xml:

    "DjThaKiller" version="Beta 1.0" type="script" /> 
    

It will be very nice if you can help me

DjThaKiller

[SHC//Sniper]

Uhm, the script file with the GUI must be clientsided!