var opacitySpeed = 2;	// Speed of opacity - switching between large images - Lower = faster
var opacitySteps = 6; 	// Also speed of opacity - Higher = faster
var slideSpeed = 2500;	// Speed of thumbnail slide - Lower = faster

var DHTMLgoodies_currentOpacity = 100;
var currentUniqueOpacityId = false;
var browserIsOpera = navigator.userAgent.indexOf('Opera') >= 0 ? true:false;

function setOpacity()
{
	if (document.all)
	{
		objLargeImage.style.filter = 'alpha(opacity=' + DHTMLgoodies_currentOpacity + ')';
	}
	else
	{
		objLargeImage.style.opacity = DHTMLgoodies_currentOpacity/100;
	}

	objLargeImage.style.border = "1px solid #000000";
}

function moveOpacity(speed,uniqueId)
{
	
	if(browserIsOpera)
	{
		objLargeImage.src = objImageToShow;
		return;
	}
	
	DHTMLgoodies_currentOpacity = DHTMLgoodies_currentOpacity + speed;
	if(DHTMLgoodies_currentOpacity <= 5 && speed < 0)
	{
		var tmpParent = objLargeImage.parentNode; 
		objLargeImage.parentNode.removeChild(objLargeImage);
		objLargeImage = document.createElement('IMG');
		tmpParent.appendChild(objLargeImage);
		objLargeImage.setAttribute('id','picImage');
		setOpacity();
		objLargeImage.src = objImageToShow;

		speed = opacitySteps;
	}
	if (DHTMLgoodies_currentOpacity >= 99 && speed > 0)
		DHTMLgoodies_currentOpacity = 99;

	setOpacity();

	if (DHTMLgoodies_currentOpacity >= 99 && speed > 0)
		return;		

	if (uniqueId == currentUniqueOpacityId)
		setTimeout('moveOpacity(' + speed + ',' + uniqueId + ')',opacitySpeed);
}