// JavaScript Document
function AdvanceToNextImage(moveBackwards)
{
	var rows = dsGallery.getData();
	var curRow = dsGallery.getCurrentRow();
	
	if (rows.length < 1)
		return;
	
	for (var i = 0; i < rows.length; i++)
	{
		if (rows[i] == curRow)
		{
			if (moveBackwards)
				--i;
			else
				++i;
			break;
		}
	}
	
	if (!moveBackwards && i >= rows.length)
		i = 0;
	else if (moveBackwards && i < 0)
		i = rows.length - 1;
	
	curRow = rows[i];
	dsGallery.setCurrentRow(curRow["ds_RowID"]);
	ShowCurrentImage();
}