function addTag(id){
	var uri = "http://" + location.host + "/";
	var str = $("add_tag_input").value;
	var param = $H({
		'stage': 'ajax_spot_tag_regist',
		'mid': id,
		"tag_str": str
	}).toQueryString();
	$("add_tag_input").value = "";
	
	new Ajax.Updater("tags", uri, {
		method: "get",
		parameters: param
	});
}

/*
function review_hint_init(){
	Event.observe('hint_scroll_trigger', 'click', function(e){
		Event.stop(e);
	});
	
	Event.observe($_, 'mousemove', function(e){
		var elm = $('hint_scroll');
		var trig = $('hint_scroll_trigger');
		if (Element.visible(elm)) {
			var x = Event.pointerX(e);
			var y = Event.pointerY(e);
			var pos = elementPosition(trig);
			if (!(pos[0][0] <= x && x <= pos[1][0] && pos[0][1] <= y && y <= pos[1][1])) {
				Element.hide(elm);
			}
		} else {
			var x = Event.pointerX(e);
			var y = Event.pointerY(e);
			var pos = elementPosition(trig);
			if (pos[0][0] <= x && x <= pos[1][0] && pos[0][1] <= y && y <= pos[1][1]) {
				Element.show(elm);
			}
		}
	});
}

Event.observe(window, 'load', function(){
	review_hint_init();
});

*/