// JavaScript refpic.js
var interval = 10 * 1000; // delay between rotating images (in seconds)
var random_display = 0; // 0 = no, 1 = yes
var image_index = 0;
relative = typeof(relative) != 'undefined' ? relative : '';
image_list = new Array();
image_list[image_index++] = new imageItem(relative + "img/header-photos/BlackPottery.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Chapulines.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/chile-seco.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Church.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/cloud-mountains.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/corn.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/group-ladies.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/marimba.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Market.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/MitlaChurch.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/MonteAlban.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/mountain-flowers.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/MountainHouses.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Oaxaca.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Pan.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Plowing.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/portico.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Pure-fisherman.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Pure-fisherman2.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/SFL-town-hall.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/TortillaCooking.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Weaving.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/YateeViewSection.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/ZapotecLadies.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Aljojuca_Puebla_June_23_2009_050-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/El_Progreso_Mixteca_Oax_Nov_2_2008_007-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Esperanza_Puebla_Aug_19_2006_027-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Guelagueza_Oaxaca_Oax_Jan_2_2009_028-c.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Mitla_Oax_April_8_2007_006-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Mitla_Oax_Dec_30_2008_213-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/near_Ciudad_Fernandez_SLPotosi_Jul_30_2007_001-bb.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/near_Yodocono_Road_to_Tilantongo_Mixteca_Oax_Nov-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Oaxaca_Oax_Apr_12_2008-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Oaxaca_Oax_Apr_16_2008_1-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Oaxaca_Oax_Apr_19_2008_11-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Oaxaca_Oax_Apr_8_2008-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Oaxaca_Oax_May_26_2009_58-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Oaxaca_Oax_May_26_2009_73-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Oaxaca_Oax_Oct_2004_265-bbb.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Oaxaca_Oax_Oct_24_2009_037-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Oaxaca_Oax_Oct_26_2009_281-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Oaxaca_Oax_Oct_29_2009_006-bb.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Oaxaca_Oax_Oct_30_2009_076-f.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Teotitlan_Oax_Dec_30_2008_026-bb.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Teotitlan_Oax_Dec_30_2008_042-b.jpg");
image_list[image_index++] = new imageItem(relative + "img/header-photos/Zaragoza_Tilantongo_Mixteca_Oaxaca_Mar_29_2008-b.jpg");
var number_of_image = image_list.length;

function imageItem(image_location) {
	this.image_item = new Image();
	this.image_item.src = image_location;
}

function get_ImageItemLocation(imageObj) {
	return(imageObj.image_item.src);
}

function generate(x, y) {
	var range = y - x + 1;
	return Math.floor(Math.random() * range) + x;
}

function getNextImage() {
	if (random_display) {
		image_index = generate(0, number_of_image-1);
	}
	else {
		//image_index = (image_index+1) % number_of_image;
		image_index = generate(0, number_of_image-1);
	}
	var new_image = get_ImageItemLocation(image_list[image_index]);
	return(new_image);
}

function rotateImage(place) {
	var new_image = getNextImage();
	document[place].src = new_image;
//	var recur_call = "rotateImage('"+place+"')";
//	setTimeout(recur_call, interval);
}

//	var image_index = 0;
//	var JPG=new Array();
//	JPG[image_index++]="url(img/01a-DisenyoTriqui-trc.jpg)";
//	JPG[image_index++]="url(img/01a-faja3-xtn.jpg)";
//	JPG[image_index++]="url(img/01a-Mixteca-TejidoTriqui.jpg)";   
//	JPG[image_index++]="url(img/01a-Zapoteca-Tapete.jpg)";
//	JPG[image_index++]="url(img/01a-petate-zpo.jpg)";
//	var number_of_image = JPG.length;
//	var whichJPG=Math.floor(Math.random() * number_of_image-1);
//	function tb(place) {
		//document.getElementById(place).style.backgroundImage = JPG[whichJPG];
//	}