nav01_on	= new Image();	nav01_on.src	= "/gfx/nav01_on.gif";
nav01_off	= new Image();	nav01_off.src	= "/gfx/nav01_off.gif";
nav02_on	= new Image();	nav02_on.src	= "/gfx/nav02_on.gif";
nav02_off	= new Image();	nav02_off.src	= "/gfx/nav02_off.gif";
nav03_on	= new Image();	nav03_on.src	= "/gfx/nav03_on.gif";
nav03_off	= new Image();	nav03_off.src	= "/gfx/nav03_off.gif";
nav04_on	= new Image();	nav04_on.src	= "/gfx/nav04_on.gif";
nav04_off	= new Image();	nav04_off.src	= "/gfx/nav04_off.gif";