// Copyright Graham Nott of Star Global, 2000
function newWindow(a) {
      a.target = "_blank";
}

var browse;
if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)){
   browse="ie4";
}
else {
   if((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3))
      browse="ns3";
}


function show (Name) {
 if (browse=="ns3" || browse=="ie4"){
    document.getElementById(Name).src = eval(Name + 1 + ".src");
    return true;
 }
}

function hide (Name) {
 if (browse=="ns3" || browse=="ie4"){
    document.getElementById(Name).src = eval(Name + 0 + ".src");
    return true;
 }
}

if (browse=="ns3" || browse=="ie4") {

        home0 = new Image();
				home0.src = "nav/home0.gif";
				home1 = new Image();
        home1.src = "nav/home1.gif";

        tour0 = new Image();
				tour0.src = "nav/tour0.gif";
				tour1 = new Image();
        tour1.src = "nav/tour1.gif";

        meetdradams0 = new Image();
				meetdradams0.src = "nav/meetdradams0.gif";
				meetdradams1 = new Image();
        meetdradams1.src = "nav/meetdradams1.gif";

        smilegallery0 = new Image();
				smilegallery0.src = "nav/smilegallery0.gif";
				smilegallery1 = new Image();
        smilegallery1.src = "nav/smilegallery1.gif";

        resources0 = new Image();
				resources0.src = "nav/resources0.gif";
				resources1 = new Image();
        resources1.src = "nav/resources1.gif";

        contact0 = new Image();
				contact0.src = "nav/contact0.gif";
				contact1 = new Image();
        contact1.src = "nav/contact1.gif";

        previous0 = new Image();
				previous0.src = "nav/previous0.gif";
				previous1 = new Image();
        previous1.src = "nav/previous1.gif";

        next0 = new Image();
				next0.src = "nav/next0.gif";
				next1 = new Image();
        next1.src = "nav/next1.gif";
}


// array of all the pictures in the smilegallery
// when naming more images to be added to the gallery use the format:
// 'xx_before.jpg' and xx_after.jpg'
var smilegallery = new Array();

smilegallery[0] = new Array('images/smilegallery/dm', '');
smilegallery[1] = new Array('images/smilegallery/dj', '');
smilegallery[2] = new Array('images/smilegallery/ck', '');

function smilegallerynext() {
	var curpicposition;
	curpicposition = parseInt(document.getElementById("phototracker").innerHTML);
	var nextpicarrayposition;

	// the current pic has been specified, look for the next pic
	if((curpicposition + 1) < smilegallery.length) {
		nextpicarrayposition = curpicposition + 1;
	} else {
		nextpicarrayposition = 0;
	}

	var nextpicbefore;
	var nextpicafter;
	nextpicbefore = smilegallery[nextpicarrayposition][0] + "_before.jpg";
	nextpicafter = smilegallery[nextpicarrayposition][0] + "_after.jpg";
	newAlt = smilegallery[nextpicarrayposition][1];

	document.getElementById("smilebefore").src = nextpicbefore;
	document.getElementById("smilebefore").alt = newAlt;

	document.getElementById("smileafter").src = nextpicafter;
	document.getElementById("smileafter").alt = newAlt;

	document.getElementById("phototracker").innerHTML = nextpicarrayposition;

	smilegallerycounter();
}


function smilegalleryprev() {
	var curpicposition;
	curpicposition = parseInt(document.getElementById("phototracker").innerHTML);
	var prevpicarrayposition;

	// the current pic has been specified, look for the previous pic
	if((curpicposition - 1) >= 0) {
		prevpicarrayposition = curpicposition - 1;

	} else {
		prevpicarrayposition = smilegallery.length - 1;
	}

	var prevpicbefore;
	var prevpicafter;
	prevpicbefore = smilegallery[prevpicarrayposition][0] + "_before.jpg";
	prevpicafter = smilegallery[prevpicarrayposition][0] + "_after.jpg";
	newAlt = smilegallery[prevpicarrayposition][1];

	document.getElementById("smilebefore").src = prevpicbefore;
	document.getElementById("smilebefore").alt = newAlt;
	document.getElementById("smileafter").src = prevpicafter;
	document.getElementById("smileafter").alt = newAlt;

	document.getElementById("phototracker").innerHTML = prevpicarrayposition;

	smilegallerycounter();
}


function smilegallerycounter() {
	var curpicposition;
	curpicposition = parseInt(document.getElementById("phototracker").innerHTML);
	var curpicnumber = curpicposition + 1;

	document.getElementById("visiblephotocounter").innerHTML = curpicnumber + "/" + smilegallery.length;
}