corona image sheet

local options =
{
    frames =
    {
        --frame 1
        {
            x = 0,
            y = 0,
            width = 232,
            height = 276
        },
        --frame 2
        {    
            x = 232,
            y = 0,
            width = 277,
            height = 276
        }
    }
}
local sheet = graphics.newImageSheet( "mySheet.png", options )