function moveLeft(portfolioName,maxNumber)
{
		if(n == 2)
		{
			document.getElementById('leftArrow').src = 'images/content/left_ghosted.gif';
		}
		else if(n == maxNumber)
		{
			document.getElementById('rightArrow').src = 'images/content/right_normal.gif';
		}

	if(n > 1)
	{
		
		if (document.all)
		{
			document.getElementById('galleryPic').style.filter="blendTrans(duration=1)";
			document.getElementById('galleryPic').filters.blendTrans.Apply();
		}
		
		n--;		
		document.getElementById('commentSection').innerHTML = comment[n-1];
		document.getElementById('galleryPic').src = 'gallery/' + portfolioName + '/' + n + '.jpg';
		document.getElementById('galleryPic').alt = altText[n-1];

		if (document.all)
		{			
			document.getElementById('galleryPic').filters.blendTrans.Play();
		}
		
		
	}
}

function moveRight(portfolioName,maxNumber)
{
	if(n < maxNumber)
	{		
		if (document.all)
		{
			document.getElementById('galleryPic').style.filter="blendTrans(duration=1)";
			document.getElementById('galleryPic').filters.blendTrans.Apply();			
		}
		
		n++;
		document.getElementById('commentSection').innerHTML = comment[n-1];
		document.getElementById('galleryPic').src = 'gallery/' + portfolioName + '/' + n + '.jpg';
		document.getElementById('galleryPic').alt = altText[n-1];

		if (document.all)
		{			
			document.getElementById('galleryPic').filters.blendTrans.Play();
		}	
		
		if(n == maxNumber)
		{
			document.getElementById('rightArrow').src = 'images/content/right_ghosted.gif';
		}
		else if(n == 2)
		{
			document.getElementById('leftArrow').src = 'images/content/left_normal.gif';
		}
	}

	
}