function rollover(image) {
	document.getElementById(image).src = 'http://www.barrettshometheater.com/images/nav-' + image + '-over.gif';
}

function rollout(image) {
	document.getElementById(image).src = 'http://www.barrettshometheater.com/images/nav-' + image + '.gif';
}
function clearDefault(field) {
if (field.value == ' Search') {
	field.value = ' ';
	}
}

// build array for image swap
if (document.images) {

/*
ALL ACTIVE STATE IMAGES START HERE
*/  

  // Active Images for Buttons
  nav30on = new Image();
  nav30on.src = "images/wish_a.gif";
  
  nav31on = new Image();
  nav31on.src = "images/purchase_a.gif";

/*
ALL OFF STATE IMAGES START HERE
*/

  // off images for main & utility nav
  nav30off = new Image();
  nav30off.src = "images/wish.gif";
  
  nav31off = new Image();
  nav31off.src = "images/purchase.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");
    }
  }
}