function PicZoom(id) {
	pic = document.getElementById("P"+id);
	thum = document.getElementById("T"+id);
	if ((pic.style.display == "") ||
		(pic.style.display == "none")) {
			pic.style.display = "block";
			thum.style.display = "none";
	}	 else {
			pic.style.display = "none";
			thum.style.display = "block";
	}
}