function hide_me(id) {
	window.addEvent('domready', function() {
		$(id).morph('.hide_me');
	});
}
function nice_inputs() {
	$$('.nais').each(function(item){
		item.addEvents({
			focus: function() {
				item.morph('.nais_e');
			},
			blur: function() {
				item.morph('.nais');
			}
		});
	});
}
function isNumberKey(evt) {
	var charCode = (evt.which) ? evt.which : event.keyCode;
	if (charCode > 31 && (charCode < 48 || charCode > 57)) return false;
	return true;
}
function nice_instrumentale() {
	window.addEvent('domready', function() {
		var items = $$('.instrumental');
		items.each(function(item) {
			var b = item.getStyle('background-color');
			item.addEvents({
				mouseenter: function(){
					this.morph({
						'background-color': '#DEDEDE',
						'color': '#000'
					});
				},
				mouseleave: function(){
					this.morph({
						'background-color': b,
						'color': '#000'
					});
				}
			});
		});
	});
}
nice_instrumentale();
function nice_textarea(item) {
	window.addEvent('domready', function() {
		$(item).addEvents({
			click: function() {
				var h = $(item).getStyle('height').toInt();
				if (h < 100) this.morph({ 'height': '100px'});
			}
		});
	});
}