function swap(onWhat, where){
	where.src=onWhat.src;
}

var menu_01_off = new Image(127,82);	
menu_01_off.src = "gfx/menu/01.gif";

var menu_01_on = new Image(127,82);	
menu_01_on.src = "gfx/menu/01a.gif";

var menu_02_off = new Image(127,82);	
menu_02_off.src = "gfx/menu/02.gif";

var menu_02_on = new Image(127,82);	
menu_02_on.src = "gfx/menu/02a.gif";

var menu_03_off = new Image(127,82);	
menu_03_off.src = "gfx/menu/03.gif";

var menu_03_on = new Image(127,82);	
menu_03_on.src = "gfx/menu/03a.gif";

var menu_04_off = new Image(127,82);	
menu_04_off.src = "gfx/menu/04.gif";

var menu_04_on = new Image(127,82);	
menu_04_on.src = "gfx/menu/04a.gif";