if (document.images) {
	img1on = new Image();
	img1on.src = "/images/btnParticipantsOver.jpg";
	
	img1off = new Image();
	img1off.src = "/images/btnParticipantsOff.jpg";
	
	img2on = new Image();
	img2on.src = "/images/btnSponsorsOver.jpg";
	
	img2off = new Image();
	img2off.src = "/images/btnSponsorsOff.jpg";
	
	img3on = new Image();
	img3on.src = "/images/btnTicketsOver.jpg";
	
	img3off = new Image();
	img3off.src = "/images/btnTicketsOff.jpg";
	
	
	
}
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");
	}
}