var page = 1;
var hiatusSize = 31; //how many pictures in each set
var xMarksSize = 13;
var friendSize = 12;
function loadImage(photoSet,newPage){
	document.getElementById('photo').src = "images/"+photoSet+newPage+".jpg";
	
	if(newPage>1){
		document.getElementById('scrollLeft').style.visibility = "visible";
		document.getElementById('scrollLeft').href = "javascript:loadImage(\""+photoSet+"\","+(parseInt(newPage)-1)+")";
		//alert("javascript:loadImage(\""+photoSet+"\","+(parseInt(newPage)-1)+")");
	}else if(newPage==1){			
		document.getElementById('scrollLeft').style.visibility = "hidden";
		//alert("images/"+photoSet+newPage+".jpg");
		document.getElementById('scrollRight').style.visibility = "visible";
	}
	page = newPage;
	var prevPage = page-1;
	var nextPage = page+1;
	if(photoSet == "hiatus" && nextPage >= hiatusSize+1){
		document.getElementById('scrollRight').style.visibility = "hidden";			
	}else if(photoSet == "friend" && nextPage >= friendSize+1){
		document.getElementById('scrollRight').style.visibility = "hidden";			
	}else if(photoSet == "xMarks" && nextPage >= xMarksSize+1){
		document.getElementById('scrollRight').style.visibility = "hidden";			
	}
	if(photoSet == "hiatus" && nextPage < hiatusSize+1){
		document.getElementById('scrollRight').style.visibility = "visible";			
	}else if(photoSet == "friend" && nextPage < friendSize+1){
		document.getElementById('scrollRight').style.visibility = "visible";			
	}else if(photoSet == "xMarks" && nextPage < xMarksSize+1){
		document.getElementById('scrollRight').style.visibility = "visible";			
	}
	
	document.getElementById('scrollLeft').href = "javascript:loadImage(\""+photoSet+"\","+prevPage+")";
	document.getElementById('scrollRight').href = "javascript:loadImage(\""+photoSet+"\","+nextPage+")";		
}