/* menu treat */
window.addEvent("domready", function() {
	var top = $('top');
	top.addEvents({
		mouseenter: function(){
			top.fade(1);
		},
		mouseleave: function(){
			var position = window.getScroll();
			if (position.y > 150) top.fade(0.5);
		}
	});
});
window.addEvent('scroll', function() { 
	var position = window.getScroll();
	if (position.y > 150) {
		$('top').fade(0.5);
		$('top').setStyle('top', '0px');
	}
	else {
		if (position.y < 150) $('top').setStyle('top', 150 - position.y+'px');
		$('top').fade(1);
	}
});
window.addEvent('domready',function() { 
	new SmoothScroll({ duration:700 }, window); 
});

function nice_textarea(item, height) {
	window.addEvent('domready', function() {
		$(item).addEvents({
			focus: function() {
				var h = $(item).getStyle('height').toInt();
				if (h < height) this.morph({ 'height': height+'px'});
			}
		});
	});
}