function toggleImg(objectID) {
	if (document.getElementById(objectID).style.display == 'block') {
		document.getElementById(objectID).style.display = 'none';
	} else {
		document.getElementById(objectID).style.display = 'block';
	}
	return
}
function toggleImg(new_image,caption) {
	document.getElementById('p_photo').style.backgroundImage = 'url(scale_image.php?f=_projects/' + new_image + '&h=450)';
	document.getElementById('caption').innerHTML = caption;
}