function modNav (actualPic,path) {
	var prevHref = document.getElementById("prevHref");
	pPic = prevPic(actualPic);
	if(pPic!=undefined) {
		prevHref.href=""+path+"/"+pPic;
	}
	
	var nextHref = document.getElementById("nextHref");
	nPic = nextPic(actualPic);
	if(nPic!=undefined) {
		nextHref.href=""+path+"/"+nPic;
	}
}
function modNav2 (link) {
	a = link.lastIndexOf("/");
	actualPic = link.substr(a+1);
	path = link.substr(0,a);
	
	var prevHref = document.getElementById("prevHref");
	pPic = prevPic(actualPic);
	if(pPic!=undefined) {
		prevHref.href=""+path+"/"+pPic;
	}
	
	var nextHref = document.getElementById("nextHref");
	nPic = nextPic(actualPic);
	if(nPic!=undefined) {
		nextHref.href=""+path+"/"+nPic;
	}
}
function nextPic(actualPic) {
	var getEls = document.getElementById("galleryList").getElementsByTagName("LI");	
	var nPic = getEls[0].id;

	for (var i=0; i<getEls.length; i++) {
		if(getEls[i].id==actualPic) {
			if(i+1 < getEls.length) {
				var nPic = getEls[i+1].id;
				break;				
			}
		}
	}	
	
	return nPic;
}
function prevPic(actualPic) {
	var getEls = document.getElementById("galleryList").getElementsByTagName("LI");
	var pPic = getEls[getEls.length - 1].id;
	
	for (var i=0; i<getEls.length; i++) {
		if(getEls[i].id==actualPic) {
			if(i > 0) {
				var pPic = getEls[i-1].id;
				break;
			}
		}
	}

	return pPic;
}