function getById(id)
{
	if(document.layers)
	{
		return document.layers[id];
	} else if(document.all)
	{
		return document.all[id];
	}
	else
	{
		return document.getElementById(id);
	}
	
}

function toggleDisplay(id)
{
	var obj = getById(id);
	
	if(obj.style.display == 'none')
	{
		obj.style.display = '';
	}
	else
	{
		obj.style.display = 'none';
	}
}

function closeAllBlocks()
{
	getById('commentsBlock').style.display = 'none';
	getById('shareBlock').style.display = 'none';
	getById('downloadsBlock').style.display = 'none';
}


function showComments()
{
	toggleDisplay('commentsBlock');
}


function shareImage()
{
	toggleDisplay('shareBlock');
}

function downloadImage()
{
	toggleDisplay('downloadsBlock');
}

function setUpImageView()
{
	closeAllBlocks();
	getById('imgActions').style.display = '';
}

function addFav()
{
	return false;
}