/* This script and many more are available free online at
The JavaScript Source :: http://javascript.internet.com
Created by: Arc90, Inc. :: http://arc90.com/
Licensed under: Creative Commons License */

 /* Globals */
var arc90_navigator = navigator.userAgent.toLowerCase();
var arc90_isOpera = arc90_navigator.indexOf('opera') >= 0? true: false;
var arc90_isIE = arc90_navigator.indexOf('msie') >= 0 && !arc90_isOpera? true: false;
var arc90_isSafari = arc90_navigator.indexOf('safari') >= 0 || arc90_navigator.indexOf('khtml') >= 0? true: false;

function arc90_imgcaption() {
var O = document.getElementsByTagName('P'); // For safari???
for (var i = 0, l = O.length; i < l; i++)
O[i].appendChild(arc90_newNode('span'));

var O = document.getElementsByTagName('IMG');
for (i = 0, l = O.length; i < l; i++) {
var o = O[i];
if (o != null && o.className && o.className.indexOf('imgcaption') >= 0) {
try {
var f = o.className.replace(/(.*)float(l|r)(.*)/, '$2');
var s = arc90_newNode('div', 'arc90_imcaption'+ i, 'arc90_imgcaption'+ (f.length == 1? ' float'+ f: ' floatl'));

var I = o.cloneNode(true);
I.className = 'arc90_imgcaptionIMG';

s.appendChild(I);

var x = arc90_newNode('p', '', 'arc90_imgcaptionTXT');
var y = arc90_newNode('p', '', 'arc90_imgcaptionALT');
var z = arc90_newNode('span', '', 'arc90_imgcaptionALT');

if (o.alt != '') {
z.innerHTML = arc90_gtlt(o.alt);
y.appendChild(z);
s.appendChild(y);
}

if (o.title != '') {
x.innerHTML = arc90_gtlt(o.title);
s.appendChild(x);
}

o.parentNode.insertBefore(s, o);
o.parentNode.removeChild(o);

if (document.all || arc90_isSafari) {
var w = parseInt(I.offsetWidth);
if (w != '')
s.style.width = w +'px';
} else {
w = arc90_getStyle(I, 'width', 'width');
if (w != '') {
s.style.width = (parseInt(w)) + 'px';
x.style.width = (parseInt(w)) + 'px';
y.style.width = (parseInt(w)) + 'px';
}
}
} catch (err) { o = null; }
}
}
var O = document.getElementsByTagName('P'); // For safari???
for (i = 0, l = O.length; i < l; i++)
O[i].appendChild(arc90_newNode('span'));
}

function arc90_gtlt(s) {
s = s.replace(/&gt;/g, '>');
s = s.replace(/&lt;/g, '<');
return s;
}

function arc90_getStyle(obj, styleIE, styleMoz) {
if (arc90_isString(obj)) obj = document.getElementById(obj);
if (window.getComputedStyle)
return document.defaultView.getComputedStyle(obj, null).getPropertyValue(styleMoz);
else if (obj.currentStyle)
return obj.currentStyle[styleIE];
}

function arc90_findDimension(obj, pType) {
if (arc90_isString(obj)) obj = document.getElementById(obj);
var cur = 0;
if(obj.offsetParent)
while(obj.offsetParent) {
switch(pType.toLowerCase()) {
case "width":
cur += obj.offsetWidth; break;
case "height":
cur += obj.offsetHeight; break;
case "top":
cur += obj.offsetTop; break;
case "left":
cur += obj.offsetLeft; break;
}
obj = obj.offsetParent;
}
return cur;
}

/* Events */
function arc90_isString(o) { return (typeof(o) == "string"); }

function arc90_addEvent(e, meth, func, cap) {
if (arc90_isString(e)) e = document.getElementById(e);

if (e.addEventListener){
e.addEventListener(meth, func, cap);
    return true;
} else if (e.attachEvent)
return e.attachEvent("on"+ meth, func);
return false;
}

/* Nodes */
function arc90_newNode(t, i, s, x, c) {
var node = document.createElement(t);
if (x != null && x != '') {
var n = document.createTextNode(x);
node.appendChild(n);
}
if (i != null && i != '')
node.id = i;
if (s != null && s != '')
node.className = s;
if (c != null && c != '')
node.appendChild(c);
return node;
}

/* Onload */
arc90_addEvent(window, 'load', arc90_imgcaption);