var imgSrc="images/nav/"
if(document.images){
	image1 = new Image();
	image1.src=imgSrc+"show-details.gif";
	image2 = new Image();
	image2.src=imgSrc+"information.gif";
	image3 = new Image();
	image3.src=imgSrc+"registration.gif";
	image4 = new Image();
	image4.src=imgSrc+"auction.gif";
	image5 = new Image();
	image5.src=imgSrc+"sponsorship.gif";
	image6 = new Image();
	image6.src=imgSrc+"volunteers.gif";
	image7 = new Image();
	image7.src=imgSrc+"vendors.gif";	

	image1roll = new Image();
	image1roll.src=imgSrc+"show-details-roll.gif";
	image2roll = new Image();
	image2roll.src=imgSrc+"information-roll.gif";
	image3roll = new Image();
	image3roll.src=imgSrc+"registration-roll.gif";
	image4roll = new Image();
	image4roll.src=imgSrc+"auction-roll.gif";
	image5roll = new Image();
	image5roll.src=imgSrc+"sponsorship-roll.gif";
	image6roll = new Image();
	image6roll.src=imgSrc+"volunteers-roll.gif";
	image7roll = new Image();
	image7roll.src=imgSrc+"vendors-roll.gif";	
	
	image1on = new Image();
	image1on.src=imgSrc+"show-details-on.gif";
	image2on = new Image();
	image2on.src=imgSrc+"information-on.gif";
	image3on = new Image();
	image3on.src=imgSrc+"registration-on.gif";
	image4on = new Image();
	image4on.src=imgSrc+"auction-on.gif";
	image5on = new Image();
	image5on.src=imgSrc+"sponsorship-on.gif";
	image6on = new Image();
	image6on.src=imgSrc+"volunteers-on.gif";
	image7on = new Image();
	image7on.src=imgSrc+"vendors-on.gif";	
}

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}