Next, the version is 1.5.2. I need to confirm that the methods I suggest are compatible with that specific version. Some hacks might not work if there were updates since then. Also, Eaglercraft might have different modding capabilities compared to the standard Minecraft. Maybe they use Java-based modding, but since it's a browser version, maybe it's more limited. I should check if there are any existing mod loaders or hacks available for this version.