/*
// "Simple Image Rotator" Module for Joomla! 1.0.x - Version 1.0
// License: http://www.gnu.org/copyleft/gpl.html
// Authors: Josh O'Dea - Fotis Evangelou - George Chouliaras
// Copyright (c) 2008 VITILIT.com.au - http://www.vitilit.com.au
// Project page at http://www.joomlaworks.gr - Demos at http://demo.joomlaworks.gr
// ***Last update: January 9th, 2008***
*/

var vsArray = new Array();
var d=document, zInterval=null, pause=false;
function so_init(vsArrayIndex) {
	var vsInstance = vsArray[vsArrayIndex];
	if(!d.getElementById || !d.createElement)return;
	vsInstance.images = d.getElementById('vs-'+vsInstance.uniqueID).getElementsByTagName("img");
  for(i=1;i<vsInstance.images.length;i++) vsInstance.images[i].xOpacity = 0;
	vsInstance.images[0].style.display = "block";
	vsInstance.images[0].xOpacity = .99;
	setTimeout('so_xfade('+vsArrayIndex+')',vsInstance.delay+vsInstance.initialDelay);
}
function so_xfade(vsArrayIndex) {
	var vsInstance = vsArray[vsArrayIndex];
	imgs = vsInstance.images;
	current = vsInstance.current;
	cOpacity = imgs[current].xOpacity;
	nIndex = imgs[current+1]?current+1:0;
	nOpacity = imgs[nIndex].xOpacity;
	cOpacity-=.05; 
	nOpacity+=.05;
	imgs[nIndex].style.display = "block";
	imgs[current].xOpacity = cOpacity;
	imgs[nIndex].xOpacity = nOpacity;
	setOpacity(imgs[current]); 
	setOpacity(imgs[nIndex]);
	if(cOpacity<=0) {
		imgs[current].style.display = "none";
		vsInstance.current = nIndex;
		setTimeout('so_xfade('+vsArrayIndex+')',vsInstance.delay);
	} else {
		setTimeout('so_xfade('+vsArrayIndex+')',vsInstance.transition);
	}
	function setOpacity(obj) {
		if(obj.xOpacity>.99) {
			obj.xOpacity = .99;
			return;
		}
		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";
	}
}
function hideLoading(vsArrayIndex) {
  document.getElementById('vs-'+vsArray[vsArrayIndex].uniqueID+'-loading').style.display = 'none';
}

// Load everything up
function init_ahr() {
    if (arguments.callee.done) return;
    arguments.callee.done = true;
    for (var x = 0; x < vsArray.length; x++) {
      so_init(x);
      hideLoading(x);
    }
};
// DOM2
if ( typeof window.addEventListener != "undefined" ) { window.addEventListener( "load", init_ahr, false ); }
// IE 
else if ( typeof window.attachEvent != "undefined" ) { window.attachEvent( "onload", init_ahr ); }
else {
	if ( window.onload != null ) {
		var oldOnload = window.onload;
		window.onload = function ( e ) {
			oldOnload( e );
			init_ahr();
		};
	}
	else 
		window.onload = init_ahr;
}