if (ignore_image_names != null) {
		var ignores = ignore_image_names.split(',');
		for (i=0; i<ignores.length; i++)
		{
			var image_id = ignores[i];
			if (image_id != '')
			{
				var image_obj = document.getElementById(image_id);
				if (image_obj) image_obj.src = image_obj.src.replace('_off.gif', '_on.gif');
			}
		}
	}
 
	function changeImage(imgDocID, imgObjName) {
        document.images[imgDocID].src = imgObjName;
	}