// Photo Gallery

var totalPics = 42;
var currentId = 1;
function showPic (whichpic) {  
	if (document.getElementById) {   
		document.getElementById('placeholder').src = whichpic.href; 
		var objId = whichpic.id;
		if (objId.length > 9) {
			currentId = objId.substring(9);
		}
		if (whichpic.title) {    
			document.getElementById('desc').childNodes[0].nodeValue = whichpic.title; 
		} else {    
			document.getElementById('desc').childNodes[0].nodeValue = whichpic.childNodes[0].nodeValue; 
		}    return false;  
	} else {   
		return true;  
	} 
}
//document.getElementById('ShowLightBox').href = whichpic.href;

function nextPic() {
	currentId++;
	if (currentId > totalPics) {
		currentId = 1;	
	}
	var imgObj = document.getElementById("photoLink"+currentId);
	if (imgObj) {
		showPic(imgObj);
	}
}

function prevPic() {
	if (currentId > 1) {
		currentId--;
	} else {
		currentId = totalPics;
	}
	var imgObj = document.getElementById("photoLink"+currentId);
	if (imgObj) {
		showPic(imgObj);
	}
}