on sign edit:
	line 1 is "Sprzedaj":
		set line 1 to "&a&lSPRZEDARZ"
on leftclick on sign:
    if line 1 is "&a&lSPRZEDARZ":
        if player have 1 emerald:
            send "&a&lSprzedales 1 Emerald za cene 100 pieniazkow aby sprawdzić stan konta wpisz /money"
            execute console command "eco give %player% 100"
            remove 1 emerald from player
        if player have 1 diamond:
            send "&a&lSprzedales 1 Diament za cene 50 pieniazkow aby sprawdzić stan konta wpisz /money"
            execute console command "eco give %player% 50"
            remove 1 diamond from player
        if player have 1 iron ore:
            send "&a&lSprzedales 1 żelazo za cene 25 pieniazkow aby sprawdzić stan konta wpisz /money"
            execute console command "eco give %player% 25"
            remove 1 iron ore from player
        if player have 1 coal:
            send "&a&lSprzedales 1 Wegiel za cene 10 pieniazkow aby sprawdzić stan konta wpisz /money"
            execute console command "eco give %player% 10"
            remove 1 coal from player
        if player have 1 gold ore:
            send "&a&lSprzedales 1 złoto za cene 35 pieniazkow aby sprawdzić stan konta wpisz /money"
            execute console command "eco give %player% 25"
            remove 1 gold ore from player
        if player have 5 cobblestone:
            send "&a&lSprzedales 5 Kamieni za cene 25 pieniazkow aby sprawdzić stan konta wpisz /money"
            execute console command "eco give %player% 25"
            remove 5 cobblestone from player
        if player have 1 obsidian:
            send "&a&lSprzedales 1 Obsydian za cene 25 pieniazkow aby sprawdzić stan konta wpisz /money"
            execute console command "eco give %player% 25"
            remove 1 obsidian from player
        if player have 10 redstone:
            send "&a&lSprzedales 10 Redstone'ow za cene 75 pieniazkow aby sprawdzić stan konta wpisz /money"
            execute console command "eco give %player% 75"
            remove 10 redstone from player