//Image Fader

if(!window.pV)
	pV=new Object();

pV.FadeImageRunning    = false;
pV.FadeImageMinOpacity = 60;
pV.FadeImageAutoUp	 = 10;
pV.FadeImageAutoDown   = 10;
pV.FadeImageSavedOver  = null;
pV.FadeImageSavedOut   = null;
document.write('<STYLE TYPE="text/css">.imageFader{ position:relative; filter:alpha(opacity='+pV.FadeImageMinOpacity+'); -moz-opacity:'+pV.FadeImageMinOpacity/101+'}</STYLE>');
pV.fadeImage_actionOnMouseOver = function(e)
{
	srcElement=e ? e.target : event.srcElement;
	
	if(srcElement.className && srcElement.className=="imageFader")
		pV.fadeUp(srcElement);

	
	if(pV.FadeImageSavedOver != null)
		pV.FadeImageSavedOver(e);
}

pV.fadeImage_actionOnMouseOut = function(e)
{
	srcElement=e ? e.target : event.srcElement;

	if(srcElement.className && srcElement.className=="imageFader")
		pV.fadeDown(srcElement);
	
	if(pV.FadeImageSavedOut != null)
		pV.FadeImageSavedOut(e);
}

pV.fadeImageAuto = function(minOpacity, stepUp, stepDown)
{
	if(minOpacity)
		pV.FadeImageMinOpacity = minOpacity;
	if(stepUp)
		pV.FadeImageAutoUp	= stepUp;
	if(stepDown)
		pV.FadeImageAutoDown	= stepDown;

	pV.FadeImageSavedOver = document.onmouseover;
	pV.FadeImageSavedOut  = document.onmouseout;

	document.onmouseover	= pV.fadeImage_actionOnMouseOver ;
	document.onmouseout	= pV.fadeImage_actionOnMouseOut ;
	pV.setMinOpacity(pV.FadeImageMinOpacity);
}

pV.setMinOpacity = function(minOpacity)
{
	if(document.layers) return;

	for(i=0 ; i<document.images.length ; i++)
	{
		var img = document.images[i];
		if(img.className=="imageFader")
		{
			if(img.filters)
				img.filters.alpha.opacity = pV.FadeImageMinOpacity;
			else
				img.style.MozOpacity = pV.FadeImageMinOpacity/101;
		}
	}
}

pV.fadeUpImg = function(imgName, step)
{
	if(document.layers || window.opera)
		return;

	img = document.images[imgName];
	if(img)
		pV.fadeUp(img, step);
}
pV.fadeUp = function(img, step)
{

	if(img)
	{
		if(!step) step=pV.FadeImageAutoUp;

		if(img.fade == null)
		{
			img.fade = new Object();
			img.fade.state	 = "OFF";
			img.fade.upStep	 = step;
			img.fade.downStep  = step;
			img.fade.minOpacity  = pV.FadeImageMinOpacity;
			img.fade.index = img.fade.minOpacity;
			
		}
		if(img.fade.state == "OFF")
		{
			img.fade.upStep  = step;
			img.fade.state = "FADE_UP";
			pV.startImageFading();
		}
		else if( img.fade.state == "FADE_UP_DOWN"
			|| img.fade.state == "FADE_DOWN")
		{
			img.fade.upStep  = step;
			img.fade.state = "FADE_UP";
		}
	}
}

pV.fadeDownImg = function(imgName, step)
{
	if(document.layers || window.opera)
		return;

	img = document.images[imgName];
	if(img)
		pV.fadeDown(img, step);
}
pV.fadeDown = function(img, step)
{
	if(img)
	{
		if(!step) step=pV.FadeImageAutoDown;

		if(img.fade.state=="ON")
		{
			img.fade.downStep  = step;
			img.fade.state="FADE_DOWN";
			pV.startImageFading();
		}
		else if(img.fade.state == "FADE_UP")
		{
			img.fade.downStep  = step;
			img.fade.state="FADE_UP_DOWN";
		}
	}
}
pV.startImageFading = function()
{
	if(!pV.FadeImageRunning)
		pV.FadeImageAnimation();
}
pV.FadeImageAnimation = function()
{
	pV.FadeImageRunning = false;
	for(i=0 ; i<document.images.length ; i++)
	{
		var img = document.images[i];
		if(img.fade)
		{
			if(img.fade.state == "FADE_UP")
			{
				img.fade.index+=img.fade.upStep;
				if(img.fade.index > 100)
					img.fade.index = 100;

				if(img.filters)
					img.filters.alpha.opacity = img.fade.index;
				else
					img.style.MozOpacity = img.fade.index/101;

				if(img.fade.index == 100)
					img.fade.state="ON";
				else
					pV.FadeImageRunning = true;
			}
			else if(img.fade.state == "FADE_UP_DOWN")
			{
				img.fade.index+=img.fade.upStep;
				if(img.fade.index > 100)
					img.fade.index = 100;

				if(img.filters)
					img.filters.alpha.opacity = img.fade.index;
				else
					img.style.MozOpacity = img.fade.index/101;
	
				if(img.fade.index == 100)
					img.fade.state="FADE_DOWN";
				pV.FadeImageRunning = true;
			}
			else if(img.fade.state == "FADE_DOWN")
			{
				img.fade.index-=img.fade.downStep;
				if(img.fade.index < img.fade.minOpacity)
					img.fade.index = img.fade.minOpacity;

				if(img.filters)
					img.filters.alpha.opacity = img.fade.index;
				else
					img.style.MozOpacity = img.fade.index/101;

				if(img.fade.index == img.fade.minOpacity)
					img.fade.state="OFF";
				else
					pV.FadeImageRunning = true;
			}
		}
	}
	if(pV.FadeImageRunning)
		setTimeout("pV.FadeImageAnimation()", 60);
}