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	     img5on.src = "images/threadcol.gif";

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	     img8on = new Image();

	     img8on.src = "images/insulationcol.gif";

	     img9on = new Image();

	     img9on.src = "images/customcol.gif";

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	     img10on.src = "images/msdscol.gif";

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	     img7off = new Image();

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	     img20off = new Image();

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