// Template: NandoTimes : template/photos/photo_index_js.html

var photo = new Array(
      "blank_for_a_reason",
      "/world/photos/story/3920323p-13652246c.html",
      "/world/photos/story/3886814p-13558768c.html",
      "/world/photos/story/3760972p-13255318c.html",
      "/world/photos/story/3726633p-13181020c.html",
      "/world/photos/story/3724536p-13176081c.html",
      "/world/photos/story/3723341p-13173233c.html",
      "/world/photos/story/3694842p-13107785c.html",
      "/world/photos/story/3687478p-13090676c.html",
      "/world/photos/story/3694844p-13107572c.html",
      "/world/photos/story/3680397p-13073865c.html",
      "/world/photos/story/3675511p-13060632c.html",
      "/world/photos/story/3662237p-13029871c.html",
      "/world/photos/story/3661278p-13027609c.html",
      "/world/photos/story/3553224p-12778032c.html",
      "/world/photos/story/3549344p-12768145c.html"
);
      

var no_of_photos = photo.length - 1;
var array_number = photo.length;

function set_counter() {
	var this_url = location.href;
	for(i=1; i < array_number; i++) {
		if (this_url.indexOf(photo[i]) >= 0) {
			counter = i;
			document.forms[0].current.value = i;
		}
	}
	if (location.href.indexOf('?') >= 0) {
		speed = location.href.substring(location.href.indexOf('?')+1, location.href.length);
		document.forms[0].speed.value = speed;
		if ((speed > 4) && (speed < 61)) {
//			alert("going to slideshow, speed: " + document.count.speed.value);
			slideshow();
		}
	}
}

function autoget(counter) {
//	alert("auto photo #" + counter + " and url " + photo[counter]);
	var speed = document.count.speed.value;
	if ((speed < 5) || (speed > 60)) {  // stop slide show
		counter--;
//		alert("the slide show has stopped in autoget"); 
		return false; 
	}
	location = photo[counter] + "?" + speed;
}

function manualget(pixnum) {
//	alert("manual photo #" + pixnum + " and url " + photo[pixnum]);
	location = photo[pixnum];
}

function startshow() {
	var speed = document.count.speed.value;
	if ((speed < 5) || (speed > 60)) { 
		speed = 10; // set default speed
		document.count.speed.value = speed;
	}
	slideshow();
}

function slideshow() {
	counter = document.count.current.value;
	counter++;
	var speed = document.count.speed.value;
	var timer = speed * 1000;
	if ((counter <= no_of_photos) && (speed > 4)) {
//		alert("telling autoget to get photo " + counter);
		setTimeout("autoget(counter)",timer);
	}
	else { 
//		alert("the slide show has stopped in slideshow"); 
		counter--;
		return false; 
	}
	return false;
}

function go(direction, number) {
	if (direction == "stop") {
		document.count.speed.value = 1;
		return false;
	}
	else if (direction == "speed") {
		var speed = document.count.speed.value; // get the current value of speed
		if (speed < 5) { speed = 10; } // sets a default speed of 10 seconds
		new_speed = prompt("Enter a speed between 5 and 60 seconds.",speed);
		if ((new_speed > 60) || (new_speed < 5)) {
			new_speed = 10;
		}
		document.count.speed.value = new_speed; // set the new speed
		return false;
	}
	else if (direction == "go") {
		if (number <= no_of_photos) {
			manualget(number);
			counter = number;
		}
		else {
			alert("I'm sorry, there are only " + no_of_photos + " photos in the gallery.\n\nPlease select another number.");
			document.count.current.value = number;
			return false;
		}
	} 
	else if ((number == "1") && (direction == "minus")) {
		number = no_of_photos; // moving from 1 to the last photo backward
	} 
	else if (direction == "plus")  {
		number++; // adding 1
	} 
	else if (direction == "minus") { 
		number--; // subtracting 1
	}
	if ((number > 0) && (number < (no_of_photos+1))) { 
		manualget(number); // a # in the right range gets sent up for a photo change
	} else { 
		number = 1;	
		manualget(number);  // if it's off the map, then go to #1
	}
	
	document.count.current.value = number; // no matter what, we show the current pix
	return false;
}