Script funktioniert nicht (kein Error)

münzenBuy_func = function() 
if gWindow["münzenBuy"] then 
guiSetVisible ( gWindow["münzenBuy"], true ) 
else 
gWindow["münzenBuy"] = guiCreateWindow(screenwidth / 2 - 114.5, screenheight / 2 - 94, 229, 188, "münzens", false) 
guiWindowSetMovable(gWindow["münzenBuy"], false) 
guiWindowSetSizable(gWindow["münzenBuy"], false) 
gLabel[1] = guiCreateLabel(16, 21, 195, 31, "Tausche hier Münzen ein ...", false, gWindow["münzenBuy"]) 
guiLabelSetColor(gLabel[1], 200, 200, 0) 
guiLabelSetVerticalAlign(gLabel[1], "top") 
guiLabelSetHorizontalAlign(gLabel[1], "left", false) 
guiSetFont(gLabel[1], "default-bold-small") 
gLabel[2] = guiCreateLabel(15, 67, 28, 17, "Fuer", false, gWindow["münzenBuy"]) 
guiLabelSetColor(gLabel[2], 255, 255, 255) 
guiLabelSetVerticalAlign(gLabel[2], "top") 
guiLabelSetHorizontalAlign(gLabel[2], "left", false) 
guiSetFont(gLabel[2], "default-bold-small") 
gLabel[3] = guiCreateLabel(139, 67, 13, 26, "$", false, gWindow["münzenBuy"]) 
guiLabelSetColor(gLabel[3], 0, 200, 0) 
guiLabelSetVerticalAlign(gLabel[3], "top") 
guiLabelSetHorizontalAlign(gLabel[3], "left", false) 
guiSetFont(gLabel[3], "default-bold-small") 
gLabel[4] = guiCreateLabel(156, 67, 56, 20, "münzens", false, gWindow["münzenBuy"]) 
guiLabelSetColor(gLabel[4], 255, 255, 255) 
guiLabelSetVerticalAlign(gLabel[4], "top") 
guiLabelSetHorizontalAlign(gLabel[4], "left", false) 
guiSetFont(gLabel[4], "default-bold-small") 
gImage[1] = guiCreateStaticImage(153, 94, 50, 50, "pictures/münzen.jpg", false, gWindow["münzenBuy"]) 
gButton["münzenEintauschen"] = guiCreateButton(9, 151, 87, 29, "Münzen tauschen", false, gWindow["münzenBuy"]) 
gButton["münzenClose"] = guiCreateButton(118, 151, 87, 29, "Schliessen", false, gWindow["münzenBuy"]) 
gEdit["münzenAmount"] = guiCreateEdit(43, 61, 93, 30, "", false, gWindow["münzenBuy"]) 
gRadio["münzensBuy"] = guiCreateRadioButton(14, 123, 91, 15, "Münzen kaufen", false, gWindow["münzenBuy"]) 
guiSetFont(gRadio["münzensBuy"], "default-bold-small") 
gRadio["münzensSwap"] = guiCreateRadioButton(13, 98, 91, 15, "Münzen tauschen", false, gWindow["münzenBuy"]) 
guiSetFont(gRadio["münzensSwap"], "default-bold-small") 
guiRadioButtonSetSelected(gRadio["münzensBuy"], true) 
guiSetAlpha(gWindow["münzenBuy"], 1) 
addEventHandler("onClientGUIClick", gButton["münzenClose"], 
function() 
guiSetVisible(gWindow["münzenBuy"], false) 
showCursor(false) 
setElementData(lp, "ElementClicked", false) 
end, 
false) 
addEventHandler("onClientGUIClick", gButton["münzenEintauschen"], function() 
triggerServerEvent("buymünzens", lp, guiGetText(gEdit["münzenAmount"]), guiRadioButtonGetSelected(gRadio["münzensBuy"])) 
end, 
false) 
end 
guiSetText(gEdit["münzenAmount"], "0") 
end 
addEvent("münzenBuy", true) 
addEventHandler("münzenBuy", getRootElement(), münzenBuy_func)