smallSizes = new Array(88,88);
mediumSizes = new Array(249,187);
pageName = 'walls.htm';
scriptName = 'walls.js';
countX = 3;
countY = 2;

var arImages = new Array(
  new Array('Retaining Walls','walls','images/portfolio/small/','images/portfolio/medium/','images/portfolio/big/',
    new Array(
	  new Array('Keystone walls','keystonewalls.jpg',533,400),
	  new Array('Keystone tumbled walls','keystonetumbledwalls.jpg',545,400),
	  new Array('Keystone wall','keystonewall.jpg',548,400),
      new Array('Keystone tiered wall','img_28.jpg',600,329),
      new Array('Keystone tiered wall2','img_29.jpg',600,365),
      new Array('Walls of any size','img_30.jpg',473,300),
      new Array('Creative wall designs','img_31.jpg',525,232),
      new Array('Photo 62','Keystone mini wall.jpg',691,400),
      new Array('Photo 63','Keystone wall.jpg',700,310),
      new Array('Photo 64','Large Keystone wall.jpg',631,400),
      new Array('Photo 65','May St Wall.jpg',614,400)

    )
  )
)

section = getParameter(self.document.location.href, 'section');
var sectionIndex = 0;

if (section != '') {
  for (var i=0; i<arImages.length; i++) {
    if (arImages[i][1] == section) {
	  sectionIndex = i;
	  break;
	}
  }
}
section = arImages[sectionIndex][1];

ind = getParameter(self.document.location.href, 'ind');
if (isNaN(ind) || (ind=='') || (ind<0) || (ind>arImages[sectionIndex][5].length))
  ind = 0;

var arPreloadImages = new Array();
function preload() {
  if (arImages[sectionIndex][3]!='') {
    for (i=ind;(i<(Number(ind)+Number(countX*countY))) && (i<arImages[sectionIndex][5].length);i++) {
      arPreloadImages[i] = new Image(mediumSizes[0],mediumSizes[1]);
      arPreloadImages[i].src = arImages[sectionIndex][3]+arImages[sectionIndex][5][i][1];
    }
  }
}

function showImageMedium(number) {
  showImage('imagemedium',arImages[sectionIndex][3]+arImages[sectionIndex][5][number][1]);
  showMessage('imagemediumname',arImages[sectionIndex][5][number][0]);
}