/**
 * Preload menu item background images in order to smoothen the rollover effect.
 *
 * (C) Copyright 2010 Feuerstein and Associates.
 */

function preloadMenuImages() {
 	if (document.images) {
	  var urlPrefix = "/QDB/images/";

	  img1 = new Image(1, 43);
  	img1.src = urlPrefix + "header/header_menu_active.png";

	  img2 = new Image(1, 43);
  	img2.src = urlPrefix + "header/header_menu_inactive.png";

	  img3 = new Image(1, 43);
  	img3.src = urlPrefix + "header/header_menu_active_left.png";

	  img4 = new Image(1, 43);
  	img4.src = urlPrefix + "header/header_menu_inactive_left.png";

	  img5 = new Image(1, 43);
  	img5.src = urlPrefix + "header/header_menu_active_right.png";

	  img6 = new Image(1, 43);
  	img6.src = urlPrefix + "header/header_menu_inactive_right.png";

	  img7 = new Image(1, 43);
  	img7.src = urlPrefix + "footer/footer_menu_active.png";

	  img8 = new Image(1, 43);
  	img8.src = urlPrefix + "footer/footer_menu_inactive.png";
 	}
}

preloadMenuImages();