function openWin(content,w,h,isscroll,isresize) { //pagina, larghezza, altezza, se-scrollabile, se-ridimensionabile
	finestra=window.open(content,'zoom','scrollbars=' + isscroll + ',resizable=' + isresize + ',width=' + w + ',height=' + h + ',status=no,location=no,toolbar=no');
	finestra.focus();
}

function centerEle(id){
     var o = document.getElementById(id) || {}, w = window, b = document.body;
     o.style.left = (o.pageX = (w.innerWidth || b.clientWidth || 0) - (o.offsetWidth || o.width || 0) >> 1) + "px";
     o.style.top = (o.pageY = (w.innerHeight || b.clientHeight || 0) - (o.offsetHeight || o.height || 0) >> 1) + "px";
} 

function hideEle(ele) { // elemento da mostrare
	document.getElementById(ele).style.visibility = "hidden";
	document.getElementById(ele).style.display = "none";
}

function showEle(ele) { // elemento da nascondere
	document.getElementById(ele).style.visibility = "visible";
	document.getElementById(ele).style.display = "block";
	/* centerEle(ele); */
}

function stampa(){
	if(window.print){
		window.print();
	} else {
		alert("Il browser non supporta il metodo Stampa. Seleziona 'Stampa' dal menu File.");
	}
}