// JavaScript Document

function loadPhoto(n) {
	
	document.getElementById('picture').src='images/'+n;
	
}

function prevPhoto() {
	var src = document.getElementById('picture').src;
	var pat = new RegExp(/\d+/);
	n = pat.exec(src);
	var u = src.replace(/.jpg/, "");
	u = u.replace(n,"");
//	var l = parseInt(src.length)-4;
//	var n = src.substring(l-1,l);
//	var u = src.substring(0,l-1);
	if(n != '1') {
		var pn = parseInt(n)-1;
		document.getElementById('picture').src = u+pn+'.jpg';
	}
}

function nextPhoto() {
	var src = document.getElementById('picture').src;
	var pat = new RegExp(/\d+/);
	n = pat.exec(src);
	var u = src.replace(/.jpg/, "");
	u = u.replace(n,"");
//	var src = document.getElementById('picture').src;
//	var l = parseInt(src.length)-4;
//	var n = src.substring(l-1,l);
//	var u = src.substring(0,l-1);
	var li = $("#bnavi a").size();
	if(n != li) {
		var pn = parseInt(n)+1;
		document.getElementById('picture').src = u+pn+'.jpg';
	}
    else if(n = li) {
		var pn = 1;
		document.getElementById('picture').src = u+pn+'.jpg';
	}
    
	
	
	
	
}