var numPhotos=7;
var currentPhoto=1;
var playing;
var changeTime=4000;
$(document).ready(function(){
	for(i=1;i<=numPhotos;i++){
		
		$("#photoGalleryContainer").find("#btn"+i).bind("click",function(e){
			e.preventDefault();
			doPhoto($(this).attr("id").replace("btn",""));
		 });
	};
	//start the animation
	runGallery();
});

function doPhoto(photo){
	if(!photo){
		
		if(currentPhoto==7)
			photo=1 
		else
			photo=parseInt(currentPhoto)+1;
	}
	clearTimeout(playing);
	clear();
	$("#photoGalleryContainer").find("#btn"+photo).addClass("active")
	src="images/homePhoto"+photo+"-new.jpg";
	moveNext(photo);
	runGallery();
}

function moveNext(photo){
	$("#photoGalleryContainer").find("#photoGallery"+currentPhoto).fadeOut("fast",function(){
		currentPhoto=photo;
    	$("#photoGalleryContainer").find("#photoGallery"+photo).html="<img src="+ src +" />";
		$("#photoGalleryContainer").find("#photoGallery"+photo).fadeIn("fast");
 	});
}

function clear(){
	$("#photoGalleryContainer div").each(function(){
		if($(this).hasClass("active")) $(this).removeClass("active")
	});
}

function runGallery(){
	playing=setTimeout("doPhoto()",changeTime);
}