if (document.images) {
	img1on = new Image();
	img1on.src = "/images/navMiniBukOver.png";
	
	img1off = new Image();
	img1off.src = "/images/navMiniBukOff.gif";
	
	img2on = new Image();
	img2on.src = "/images/navProcessOver.png";
	
	img2off = new Image();
	img2off.src = "/images/navProcessOff.gif";
	
	img3on = new Image();
	img3on.src = "/images/navSamplesOver.png";
	
	img3off = new Image();
	img3off.src = "/images/navSamplesOff.gif";
	
	img4on = new Image();
	img4on.src = "/images/navWritingOver.png";
	
	img4off = new Image();
	img4off.src = "/images/navWritingOff.gif";
	
	img5on = new Image();
	img5on.src = "/images/navPrepOver.png";
	
	img5off = new Image();
	img5off.src = "/images/navPrepOff.gif";
	
	img6on = new Image();
	img6on.src = "/images/navPricingOver.png";
	
	img6off = new Image();
	img6off.src = "/images/navPricingOff.gif";
	
	img7on = new Image();
	img7on.src = "/images/navInDepthOver.png";
	
	img7off = new Image();
	img7off.src = "/images/navInDepthOff.gif";
	
	img8on = new Image();
	img8on.src = "/images/navFaqOver.png";
	
	img8off = new Image();
	img8off.src = "/images/navFaqOff.gif";
	
	img9on = new Image();
	img9on.src = "/images/navContactOver.png";
	
	img9off = new Image();
	img9off.src = "/images/navContactOff.gif";
	
	
	
}
function imgOn(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "on.src");
	}
}
function imgOff(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "off.src");
	}
}