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function newImage(arg) {
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function changeImages() {
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function preloadImages() {
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		check_17_check_12_over = newImage("gifs/Compression-Load-Cell.jpg");
		check_17_check_13_over = newImage("gifs/vaccum.jpg");
		check_17_check_14_over = newImage("gifs/Tension-Load-Cell.jpg");
		check_17_check_15_over = newImage("gifs/transfer-injection.jpg");
		check_17_check_03_over = newImage("gifs/hydraulic-press-brakes.jpg");
		check_17_check_05_over = newImage("gifs/hydraulic-cylinders.jpg");
		check_17_check_06_over = newImage("gifs/scrap-baling.jpg");
		check_17_check_07_over = newImage("gifs/rubber-machinery.jpg");
		check_17_check_08_over = newImage("gifs/swaging.jpg");
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