// JavaScript Document

smallSizes = new Array(77,77);
mediumSizes = new Array(200,170);
pageName = 'trail.htm';
scriptName = 'trail.js';
countX = 4;
countY = 5;

// sections: name, small images path, medium images path, big images path
// images: name, src, big width, big height
var arImages = new Array(
						 
  new Array('','images/portfolio/small/','images/portfolio/medium/','images/portfolio/big/',
    new Array(
		new Array('','mms_picture612.jpg',279,500,''),	
		new Array('','mms_picture605.jpg',550,400,''),	
		new Array('','mms_picture604.jpg',550,400,''),	
		new Array('','mms_picture603.jpg',550,400,''),	
		new Array('','mms_picture601.jpg',550,400,''),	
		new Array('','mms_picture202.jpg',550,400,'')		
		
	),0
  )
  
  /*
  ,
  new Array('Permeable Pavers','images/portfolio/small/','images/portfolio/medium/','images/portfolio/big/',
    new Array(
		new Array('','Permeable_Pavers_001.jpg',275,400,''), 
		new Array('','Permeable_Pavers_002.jpg',303,400,''), 
		new Array('','Permeable_Pavers_003.jpg',271,400,''), 
		new Array('','Permeable_Pavers_004.jpg',323,400,''), 
		new Array('','Permeable_Pavers_005.jpg',528,400,'') 
    ),0
  ),
  new Array('Walls & Pilasters','images/portfolio/small/','images/portfolio/medium/','images/portfolio/big/',
    new Array(
		new Array('','Walls_Pilasters_001.jpg',700,384,''), 
		new Array('','Walls_Pilasters_003.jpg',270,400,''), 
		new Array('','Walls_Pilasters_004.jpg',401,400,''), 
		new Array('','Walls_Pilasters_005.jpg',397,400,''), 
		new Array('','Walls_Pilasters_006.jpg',345,400,''), 
		new Array('','Walls_Pilasters_007.jpg',500,400,'') 
    ),0
  )
  */
)

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 preloadphotos() {
  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 menu_portfolio() {
  var jp;
  document.write('<table border="0" cellspacing="0" cellpadding="0">');
  document.write('<tr><td>Choose a category:&nbsp;<select name="cat" class="select1" onChange="if (this.value.length!=0) window.location=this.value">');
  document.write('<option value="portfolio.htm">Categories Menu</option>');
  for (jp=0;jp<arImages.length;jp++) {
    document.write('<option value="'+pageName+'?section='+jp+'"'+((jp==section)?' selected':'')+'>'+arImages[jp][0]+'</option>');
  }  
  document.write('</select></td></tr>')
  document.write('</table>');
}  
  
function showImageMedium(number) {
  showImage('imagemedium',arImages[section][2]+arImages[section][4][number][1]);
  if (arImages[section][4][number][0]!='')
   showMessage('imagemediumname',arImages[section][4][number][0]);   
  else
   showMessage('imagemediumname','Photo '+Number(Number(number)+1));
}

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