// Modal Image Box
// copyright 21st May 2006 by Stephen Chapman
// http://javascript.about.com/
// permission to use this Javascript on your web page is granted
// provided that all of the code in this script (including these
// comments) is used without any alteration
function pageWidth() { return window.innerWidth != null ? window.innerWidth : document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body != null ? document.body.clientWidth : null; } function pageHeight() { return window.innerHeight != null ? window.innerHeight : document.documentElement && document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body != null ? document.body.clientHeight : null; } function posLeft() { return typeof window.pageXOffset != 'undefined' ? window.pageXOffset : document.documentElement && document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft ? document.body.scrollLeft : 0; } function posTop() { return typeof window.pageYOffset != 'undefined' ? window.pageYOffset : document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop ? document.body.scrollTop : 0; }
function $(x) { return document.getElementById(x); } function scrollFix() { var obol = $('ol'); obol.style.top = posTop() + 'px'; obol.style.left = posLeft() + 'px' } function sizeFix() { var obol = $('ol'); obol.style.height = pageHeight() + 'px'; obol.style.width = pageWidth() + 'px'; } function kp(e) { ky = e ? e.which : event.keyCode; if (ky == 88 || ky == 120) hm(); return false } function inf(h) { tag = document.getElementsByTagName('select'); for (i = tag.length - 1; i >= 0; i--) tag[i].style.visibility = h; tag = document.getElementsByTagName('iframe'); for (i = tag.length - 1; i >= 0; i--) tag[i].style.visibility = h; tag = document.getElementsByTagName('object'); for (i = tag.length - 1; i >= 0; i--) tag[i].style.visibility = h; } function sm(obl) { var h = 'hidden'; var b = 'block'; var p = 'px'; var obol = $('ol'); obol.style.height = pageHeight() + p; obol.style.width = pageWidth() + p; obol.style.top = posTop() + p; obol.style.left = posLeft() + p; obol.style.display = b; im = new Image(); im.onload = function() { $('mbi').src = obl.href; var tp = posTop() + ((pageHeight() - im.height) / 2) - 12; var lt = posLeft() + ((pageWidth() - im.width) / 2) - 12; var obbx = $('mbox'); obbx.style.top = (tp < 0 ? 0 : tp) + p; obbx.style.left = (lt < 0 ? 0 : lt) + p; $('mbd').style.width = im.width + p; inf(h); obbx.style.display = b; document.onkeypress = kp; return false }; im.src = obl.href } function hm() { var v = 'visible'; var n = 'none'; $('ol').style.display = n; $('mbox').style.display = n; inf(v); document.onkeypress = '' } function initmb() {
	var ab = 'absolute'; var n = 'none'; if (!document.getElementsByTagName) return; var anchors = document.getElementsByTagName('a'); for (var i = 0; i < anchors.length; i++) { var an = anchors[i]; if (an.getAttribute('href') && /gif|jpe?g|png$/.test(an.getAttribute('href'))) { an.onclick = function() { sm(this); return false } } } var obody = document.getElementsByTagName('body')[0]; var frag = document.createDocumentFragment(); var obol = document.createElement('div'); obol.setAttribute('id', 'ol'); obol.style.display = n; obol.style.position = ab; obol.style.top = 0; obol.style.left = 0; obol.style.zIndex = 998; obol.style.width = '100%'; frag.appendChild(obol); var obbx = document.createElement('div'); obbx.setAttribute('id', 'mbox'); obbx.onclick = function() { hm(); return false }; obbx.style.display = n; obbx.style.position = ab; obbx.style.zIndex = 999; var obl = document.createElement('span'); obbx.appendChild(obl); var obbxd = document.createElement('div'); obbxd.setAttribute('id', 'mbd'); obl.appendChild(obbxd); var obmbm = document.createElement('div'); obmbm.setAttribute('id', 'mbm'); obmbm.innerHTML = 'X'; obbxd.appendChild(obmbm); var obim = document.createElement('img'); obim.setAttribute('id', 'mbi'); obl.appendChild(obim); frag.insertBefore(obbx, obol.nextSibling); obody.insertBefore(frag, obody.firstChild);
	window.onscroll = scrollFix; window.onresize = sizeFix;
}
window.onload = initmb;