function turn_off(ImageName) {
	if (document.images != null) {
		document[ImageName].src = eval(ImageName + "_off.src");
	}
}

function turn_over(ImageName) {
	if (document.images != null) {
		document[ImageName].src = eval(ImageName + "_over.src");
	}
}

if (document.images) {
	B1_off = new Image(); B1_off.src = "grafx/menupassiv.gif"
	B1_over = new Image(); B1_over.src = "grafx/menuover.gif"
	B2_off = new Image(); B2_off.src = "grafx/menupassiv.gif"
	B2_over = new Image(); B2_over.src = "grafx/menuover.gif"
	B3_off = new Image(); B3_off.src = "grafx/menupassiv.gif"
	B3_over = new Image(); B3_over.src = "grafx/menuover.gif"
	B4_off = new Image(); B4_off.src = "grafx/menupassiv.gif"
	B4_over = new Image(); B4_over.src = "grafx/menuover.gif"
	B5_off = new Image(); B5_off.src = "grafx/menupassiv.gif"
	B5_over = new Image(); B5_over.src = "grafx/menuover.gif"
	B6_off = new Image(); B6_off.src = "grafx/menupassiv.gif"
	B6_over = new Image(); B6_over.src = "grafx/menuover.gif"
	B7_off = new Image(); B7_off.src = "grafx/menupassiv.gif"
	B7_over = new Image(); B7_over.src = "grafx/menuover.gif"
	B8_off = new Image(); B8_off.src = "grafx/menupassiv.gif"
	B8_over = new Image(); B8_over.src = "grafx/menuover.gif"
	B9_off = new Image(); B9_off.src = "grafx/menupassiv.gif"
	B9_over = new Image(); B9_over.src = "grafx/menuover.gif"
}