function diashow_unzoom( oEvent ) {
	oEvent.stop();
	
	$("id_bigdiacontainer").fade();
}

function diashow_zoom( oEvent ) {
	var oSource = Event.element(oEvent);
	oEvent.stop();
	
	$("id_bigdia").writeAttribute("src", oSource.readAttribute("src"));
	$("id_bigdiacontainer").appear();
}

function diashow_init() {
	var aIcons = $("id_diashow").select(".ctrl_smallimg");
	for(var i = 0; i < aIcons.length; i++) {
		Event.observe(aIcons[i], "click", diashow_zoom);
	}
	Event.observe($("id_bigdia"), "click", diashow_unzoom);
}