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

var photo = new Array(
      "blank_for_a_reason",
      "/politics/photos/story/3924391p-13662180c.html",
      "/politics/photos/story/3924385p-13662188c.html",
      "/politics/photos/story/3924386p-13661418c.html",
      "/politics/photos/story/3924381p-13661596c.html",
      "/politics/photos/story/3860859p-13487469c.html",
      "/politics/photos/story/3836353p-13434097c.html",
      "/politics/photos/story/3809622p-13375061c.html",
      "/politics/photos/story/3809592p-13374867c.html",
      "/politics/photos/story/3802250p-13356095c.html",
      "/politics/photos/story/3801647p-13354982c.html",
      "/politics/photos/story/3801648p-13354972c.html",
      "/politics/photos/story/3801353p-13354121c.html",
      "/politics/photos/story/3801354p-13354117c.html",
      "/politics/photos/story/3799797p-13349779c.html",
      "/politics/photos/story/3799798p-13349775c.html",
      "/politics/photos/story/3780642p-13300693c.html",
      "/politics/photos/story/3780162p-13299662c.html",
      "/politics/photos/story/3779110p-13296965c.html",
      "/politics/photos/story/3774761p-13287725c.html",
      "/politics/photos/story/3731406p-13192772c.html",
      "/politics/photos/story/3678074p-13068251c.html",
      "/politics/photos/story/3666220p-13039746c.html",
      "/politics/photos/story/3665520p-13038165c.html",
      "/politics/photos/story/3636992p-12967246c.html",
      "/politics/photos/story/3617000p-12917242c.html",
      "/politics/photos/story/3559879p-12792027c.html",
      "/politics/photos/story/3553990p-12779435c.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;
}