function init() {
	buildBook(document.getElementById('book'));
	buildIssue(document.getElementById('issue'));
}

function buildBook(o) {
	if(o) {
		for(var i = 0; i < covers.length; i++) {
			var s = '<img src="'+path +covers[i]+'" width="276" height="386" border="0"';
			if(i != 0) {
				s += ' style="display: none;"';
			}
			s += ' />';
			o.innerHTML += s;
		}
	}
}

function buildIssue(p) {
	if(p) {
		for(var i = 0; i < issues.length; i++) {
			var s = '<a href="#"';
			if(i != 0) {
				s += ' style="display: none; text-decoration: none;">'+issues[i];
			}else{
				s += ' style="text-decoration: none;">'+issues[i];
				}
			s += '<a/>';
			p.innerHTML += s;
		}
	}
}

var index = 0;
function nextImage() {
	index++;
	if(index >= covers.length) {
		index = 0;
	}

	var imgs = document.getElementById('book').getElementsByTagName('img');
	for(var i = 0; i < imgs.length; i++) {
		if(i == index) {
			imgs[i].style.display = 'block';
		}else{
			imgs[i].style.display = 'none';
		}
	}
}

function prevImage() {
	index--;
	if(index < 0) {
		index = covers.length - 1;
	}

	var imgs = document.getElementById('book').getElementsByTagName('img');
	for(var i = 0; i < imgs.length; i++) {
		if(i == index) {
			imgs[i].style.display = 'block';
		}else{
			imgs[i].style.display = 'none';
		}
	}
}

// function to obfuscate email address
function writeAd(c,k){
s=c.length
l=""
for (i=0; i<c.length; i++) {
if (k.indexOf(c.charAt(i))==-1) {
lr = c.charAt(i)
l += (lr)
}
else { 
lr = (k.indexOf(c.charAt(i))-s+k.length) % k.length
l += (k.charAt(lr))
}
}
return("<a href='mailto:"+l+"'>"+l+"</a>");
}

// function to write email address to ID
function getAd(){
if (document.getElementById('mEd')){
document.getElementById('mEd').innerHTML = writeAd('Luh3Sj@eSL3jUBQ.BL3','m276U4VWjPTYFspN13JRfMX0zbdi9nlZweGcqoAaIvOQHuhyBC8rL5DxSkEgtK');
};
if (document.getElementById('mAed')){
document.getElementById('mAed').innerHTML = writeAd('OuufvJOYV-VrJYfn@7fVYneTb.TVY','1A6Zk5ucWVFqoyPCIi3X8nDztdpjL4ha2NxGvl0sSfeR9mJEUBTQbYr7gwMKOH');
};
if (document.getElementById('mSub')){
document.getElementById('mSub').innerHTML = writeAd('whYwE1SHUS8yw@H8RU1fyx.yRU','1HJWj6aD4eCh82KSFOy7IE9XblQPLTzAs3tRrpBqZmV5fvMuoGYidNngxcw0Uk');
};
if (document.getElementById('mWeb')){
document.getElementById('mWeb').innerHTML = writeAd('AQC@GJQvIoVT.VQv','T7UgBoC34R9hsr5tceuqpJ08XPj2YIFv6QiZGWEwkMnlNazmSx1ybKLAOHVdDf');
}
}