function PickImage(position)
{
	var image = document.getElementById('image-placeholder');

	if(image)
	{
		var dir = "/sites/default/files/webfm/image/";

		var images = new Array('1.jpg', '2.jpg', '3.jpg', '4.jpg', '5.jpg', '6.jpg', '7.jpg');

		if(position == -1)
		{
			position = Math.floor(images.length * Math.random());
		}
		else
		{
			position++;
		
			if(position >= images.length)
			{
				position = 0;
			}
		}
		
		image.src = dir + images[position];
	}
}