smallSizes = new Array(77,77);
mediumSizes = new Array(200,170);
pageName = 'irrigation.html';
scriptName = 'irrigation.js';
countX = 4; 
countY = 3;

// sections: name, small images path, medium images path, big images path
// images: name, src, big width, big height
var arImages = new Array(
  new Array('Irrigation','images/portfolio/small/','images/portfolio/medium/','images/portfolio/big/',
    new Array(
      new Array('Heavy duty vs. light duty pipe','100_4516_1.jpg',601,401),
      new Array('Example of a Spray Head used primerily in shrub beds','100_5611_1.jpg',601,401),
      new Array('Light duty pipe is easily broken when digging','Easily broken light duty pipe.jpg',601,401),
      new Array('Example of numerous utility boxes in a yard, we try to keep valve boxes in beds so that the yard isn`t cluttered','Too many utilities in grass.jpg',601,401),
      new Array('Our experience is that it is very important to keep valves grouped together so that when they have to be worked on they are easy to find and access','100_6383.jpg',601,401)
    )
  )
)


section = getParameter(self.document.location.href, 'section');
if (isNaN(section) || (section=='') || (section<0) || (section>arImages.length))
  section = 0; 

ind = getParameter(self.document.location.href, 'ind');
if (isNaN(ind) || (ind=='') || (ind<0) || (ind>arImages[section][4].length))
  ind = 0; 

var arPreloadImages = new Array();
function preload() {
  if (arImages[section][2]!='') {
    for (i=ind;(i<(Number(ind)+Number(countX*countY))) && (i<arImages[section][4].length);i++) {
      arPreloadImages[i] = new Image(mediumSizes[0],mediumSizes[1]);
      arPreloadImages[i].src = arImages[section][2]+arImages[section][4][i][1];
    }
  }
}
  
function showImageMedium(number) {
  showImage('imagemedium',arImages[section][2]+arImages[section][4][number][1]);
  showMessage('imagemediumname',arImages[section][4][number][0]);
}

function showImageBig(number) {
  showImagePopup(scriptName,section,number,arImages[section][4][number][2],
   arImages[section][4][number][3]);
}