var timeDelay = 10; // change delay time in seconds
var Pix = [
	["images/Projects/Borneo1.jpg", "images/Projects/Borneo2.jpg"],
	["images/Projects/Ecuador1.jpg", "images/Projects/Ecuador2.jpg"],
	["images/Projects/Esterhazy SK1.jpg", "images/Projects/Esterhazy SK2.jpg"],
	["images/Projects/Indonesia1.jpg", "images/Projects/Indonesia2.jpg"],
	["images/Projects/Labrador1.jpg", "images/Projects/Labrador2.jpg"],
	["images/Projects/Lethbridge AB1.jpg", "images/Projects/Lethbridge AB2.jpg"],
	["images/Projects/Madagascar1.jpg", "images/Projects/Madagascar2.jpg"],
	["images/Projects/Nelson River MB1.jpg", "images/Projects/Nelson River MB2.jpg"],
	["images/Projects/New Jersey1.jpg", "images/Projects/New Jersey2.jpg"],
	["images/Projects/Northwest Territories1.jpg", "images/Projects/Northwest Territories2.jpg"],
	["images/Projects/Saskatchewan1.jpg", "images/Projects/Saskatchewan2.jpg"]
	];
timeDelay *= 1000; 
var curNum = Math.floor(Math.random()*Pix.length); 
function onLoad() { 
	var Img1 = document.getElementById("Image1");
	var Img2 = document.getElementById("Image2");
	Img1.src = Pix[curNum][0]; 
	Img1.alt = GetCaption(Pix[curNum][0]);
	Img2.src = Pix[curNum][1];
	Img2.alt = GetCaption(Pix[curNum][1]);
	document.getElementById("Link1").href = "javascript:openImage('" + GetFullRes(Pix[curNum][0]) + "')";
	document.getElementById("Link2").href = "javascript:openImage('" + GetFullRes(Pix[curNum][1]) + "')";
	document.getElementById("ImageCaption").innerHTML = GetCaption(Pix[curNum][0]);
	setInterval("slideshow()", timeDelay);
} 
function slideshow() { 
	curNum = Math.floor(Math.random()*Pix.length); 
	var Img1 = document.getElementById("Image1");
	var Img2 = document.getElementById("Image2");
	Img1.src = Pix[curNum][0]; 
	Img1.alt = GetCaption(Pix[curNum][0]);
	Img2.src = Pix[curNum][1];
	Img2.alt = GetCaption(Pix[curNum][1]);
	document.getElementById("Link1").href = "javascript:openImage('" + GetFullRes(Pix[curNum][0]) + "')";
	document.getElementById("Link2").href = "javascript:openImage('" + GetFullRes(Pix[curNum][1]) + "')";
	document.getElementById("ImageCaption").innerHTML = GetCaption(Pix[curNum][0]);
} 
function openImage(url){
	 var iwidth=800, iheight=600;
	 {
		popUpWin =window.open(url,'','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width='+(iwidth+20)+',height='+(iheight+20));
	 }
}
function openImagePortrait(url){
	 var iwidth=600, iheight=800;
	 {
		popUpWin =window.open(url,'','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width='+(iwidth+20)+',height='+(iheight+20));
	 }
}
function GetCaption(s) {
	var startPos = s.lastIndexOf("/")+1;
	var endPos = s.lastIndexOf(".")-1;
	var r = s.substr(startPos, endPos-startPos);
	return r;
}
function GetFullRes(s) {
	var pos = s.lastIndexOf("/") + 1;
	return "images/Projects/HighRes/" + s.substr(pos, s.length-pos);
}