var totalPics = 0;
var currentPic = 1;
var contentPics = "";
var prevPic = 1;


$(document).ready(function(){

  $("#gallery-previous").click(showLastPic);
  $("#gallery-next").click(showNextPic);
  
  $('.image_one').click(function(){
  	if (currentPic != 1) {
  		prevPic = currentPic;
		currentPic = 1;
		updatePics();
	}
  });
  $('.image_two').click(function(){
  	if (currentPic != 2) {
  		prevPic = currentPic;
		currentPic = 2;
		updatePics();
	}
  });
  $('.image_three').click(function(){
  	if (currentPic != 3) {
  		prevPic = currentPic;
		currentPic = 3;
		updatePics();
	}
  });
  $('.image_four').click(function(){
  	if (currentPic != 4) {
  		prevPic = currentPic;
		currentPic = 4;
		updatePics();
	}
  });
  $('.image_five').click(function(){
  	if (currentPic != 5) {
  		prevPic = currentPic;
		currentPic = 5;
		updatePics();
	}
  });
  $('.image_six').click(function(){
  	if (currentPic != 6) {
  		prevPic = currentPic;
		currentPic = 6;
		updatePics();
	}
  });
  $('.image_seven').click(function(){
  	if (currentPic != 7) {
  		prevPic = currentPic;
		currentPic = 7;
		updatePics();
	}
  });
  $('.image_eight').click(function(){
  	if (currentPic != 8) {
  		prevPic = currentPic;
		currentPic = 8;
		updatePics();
	}
  });
  $('.image_nine').click(function(){
  	if (currentPic != 9) {
  		prevPic = currentPic;
		currentPic = 9;
		updatePics();
	}
  });
  $('.image_ten').click(function(){
  	if (currentPic != 10) {
  		prevPic = currentPic;
		currentPic = 10;
		updatePics();
	}
  });
  
  
  contentPics = $(".gallery_img");
  contentPics.each(function(i){
    totalPics++;
  });
  
});

function showLastPic()
{
	prevPic = currentPic;
	
	if (currentPic == 1) {
		currentPic = totalPics;
	} else {
		currentPic--;
	}
  	
  	updatePics();
}

function showNextPic()
{
	prevPic = currentPic;
	
	if (currentPic == totalPics) {
		currentPic = 1;
	} else {
		currentPic++;
	}

	updatePics();
}

function updatePics()
{
	$("#gallery_img" + prevPic).fadeOut('slow');
	$("#gallery_img" + currentPic).fadeIn('slow');
}