// FINESTRA INFO: apre la finestra di informazioni aggiuntive
function finestraInfo(posx, posy)
{
	if (document.getElementById('finestraInfo'))
	{
		document.getElementById('principale').removeChild(document.getElementById('finestraInfo'));
	}
	var finestraInfo = Builder.node('div', { id:'finestraInfo' }, 'ciao');
	var x = posx;
	var y = posy;
	$(document.getElementById('principale')).insert(finestraInfo);
	document.getElementById('finestraInfo').style.margin = y + 'px 0 0 ' + x + 'px';
				new Effect.Parallel([
				
    				new Effect.Move('finestraInfo', { sync: true, x: 250, y: -225, mode: 'relative' }), 
    				new Effect.Opacity('finestraInfo', { sync: true, from: 0, to: 1 })
  				], { duration: 1 });
		
	
}