function openNew(url, param) {
var win_name="win"+Math.round(Math.random()*9999999);
window.open(url, win_name, param);
}
function zoom(img, w, h, titolo, code) {
if ((typeof titolo) == "undefined") titolo="[zoom]";
if ((typeof code) == "undefined") code=Math.round(Math.random()*999999999);
var w_zoom=open("", "zoom"+(code), "resizable=yes,scrollbars=no,menubar=no,directories=no,location=no,status=yes,toolbar=no,width="+w+",height="+h);
if (w_zoom!=null) { // controllo..
w_zoom.document.writeln(''+titolo+'');
w_zoom.document.close();
}
return w_zoom;
}
function render(el){
var e = document.getElementById(el)
e.style.display = "block"
}
function unrender(el){
var e = document.getElementById(el)
e.style.display = "none"
}