gfx = new Object();
	gfx[1] = "_over"
	gfx[2] = "_out"

function wissel(id, maak)
	{
        if(document.images) document.images[id].src = eval( "bitmap." + id + gfx[maak] + ".src");
	}
	if (document.images)
	{

	bitmap = new Object();

// gameboy directional button up
	bitmap.dirup_over = new Image();
	bitmap.dirup_over.src = "gfx_atlantis/gbc_dir_02_over.gif";

	bitmap.dirup_out = new Image();
	bitmap.dirup_out.src = "gfx_atlantis/gbc_dir_02.gif";
	
// gameboy directional button left
	bitmap.dirleft_over = new Image();
	bitmap.dirleft_over.src = "gfx_atlantis/gbc_dir_04_over.gif";

	bitmap.dirleft_out = new Image();
	bitmap.dirleft_out.src = "gfx_atlantis/gbc_dir_04.gif";
	
// gameboy directional button right
	bitmap.dirright_over = new Image();
	bitmap.dirright_over.src = "gfx_atlantis/gbc_dir_06_over.gif";

	bitmap.dirright_out = new Image();
	bitmap.dirright_out.src = "gfx_atlantis/gbc_dir_06.gif";
	
// gameboy directional button down
	bitmap.dirdown_over = new Image();
	bitmap.dirdown_over.src = "gfx_atlantis/gbc_dir_08_over.gif";

	bitmap.dirdown_out = new Image();
	bitmap.dirdown_out.src = "gfx_atlantis/gbc_dir_08.gif";

// gameboy button a1
	bitmap.buta1_over = new Image();
	bitmap.buta1_over.src = "gfx_atlantis/gbc_but_a_over.gif";

	bitmap.buta1_out = new Image();
	bitmap.buta1_out.src = "gfx_atlantis/gbc_but_a.gif";
	
// gameboy button a2
	bitmap.buta2_over = new Image();
	bitmap.buta2_over.src = "gfx_atlantis/gbc_but_a_over.gif";

	bitmap.buta2_out = new Image();
	bitmap.buta2_out.src = "gfx_atlantis/gbc_but_a.gif";
	
// gameboy button a3
	bitmap.buta3_over = new Image();
	bitmap.buta3_over.src = "gfx_atlantis/gbc_but_a_over.gif";

	bitmap.buta3_out = new Image();
	bitmap.buta3_out.src = "gfx_atlantis/gbc_but_a.gif";

// gameboy button a4
	bitmap.buta4_over = new Image();
	bitmap.buta4_over.src = "gfx_atlantis/gbc_but_a_over.gif";

	bitmap.buta4_out = new Image();
	bitmap.buta4_out.src = "gfx_atlantis/gbc_but_a.gif";

// gameboy button a5
	bitmap.buta5_over = new Image();
	bitmap.buta5_over.src = "gfx_atlantis/gbc_but_a_over.gif";

	bitmap.buta5_out = new Image();
	bitmap.buta5_out.src = "gfx_atlantis/gbc_but_a.gif";
	
// gameboy button a6
	bitmap.buta6_over = new Image();
	bitmap.buta6_over.src = "gfx_atlantis/gbc_but_a_over.gif";

	bitmap.buta6_out = new Image();
	bitmap.buta6_out.src = "gfx_atlantis/gbc_but_a.gif";

// gameboy button b1
	bitmap.butb1_over = new Image();
	bitmap.butb1_over.src = "gfx_atlantis/gbc_but_b_over.gif";

	bitmap.butb1_out = new Image();
	bitmap.butb1_out.src = "gfx_atlantis/gbc_but_b.gif";
	
// gameboy button b2
	bitmap.butb2_over = new Image();
	bitmap.butb2_over.src = "gfx_atlantis/gbc_but_b_over.gif";

	bitmap.butb2_out = new Image();
	bitmap.butb2_out.src = "gfx_atlantis/gbc_but_b.gif";
	
// gameboy button b3
	bitmap.butb3_over = new Image();
	bitmap.butb3_over.src = "gfx_atlantis/gbc_but_b_over.gif";

	bitmap.butb3_out = new Image();
	bitmap.butb3_out.src = "gfx_atlantis/gbc_but_b.gif";
	
// gameboy button b4
	bitmap.butb4_over = new Image();
	bitmap.butb4_over.src = "gfx_atlantis/gbc_but_b_over.gif";

	bitmap.butb4_out = new Image();
	bitmap.butb4_out.src = "gfx_atlantis/gbc_but_b.gif";
	
// gameboy button b5
	bitmap.butb5_over = new Image();
	bitmap.butb5_over.src = "gfx_atlantis/gbc_but_b_over.gif";

	bitmap.butb5_out = new Image();
	bitmap.butb5_out.src = "gfx_atlantis/gbc_but_b.gif";
	
// gameboy button b6
	bitmap.butb6_over = new Image();
	bitmap.butb6_over.src = "gfx_atlantis/gbc_but_b_over.gif";

	bitmap.butb6_out = new Image();
	bitmap.butb6_out.src = "gfx_atlantis/gbc_but_b.gif";
	}