rnd.today=new Date();
rnd.seed=rnd.today.getTime();

function rnd() {
        rnd.seed = (rnd.seed*9301+49297) % 233280;
        return rnd.seed/(233280.0);
};

function rand(number) {
        return Math.ceil(rnd()*number);
};

function apri(theURL,winName,features) {
	window.open(theURL,winName,features);
	}
function jumpTo(d,g){
	var sel = document.forms['pagine'].pag;
	var URL = "default16f4.html?mese="+d+"&gen="+g+"&pag="+sel.options[sel.selectedIndex].value;
	window.location.href = URL;
}
function arch(){
	var sel = document.forms['archivio'].mese;
	var URL = "default16f4.html?mese="+sel.options[sel.selectedIndex].value;
	window.location.href = URL;
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function toggle(id){
   if (document.all){
     if(document.all[id].style.display == 'none'){
       document.all[id].style.display = '';
     } else {
       document.all[id].style.display = 'none';
     }
  return false;
   } else if (document.getElementById){
     if(document.getElementById(id).style.display == 'none'){
       document.getElementById(id).style.display = 'block';
     } else {
       document.getElementById(id).style.display = 'none';
     }
  return false;
   }
 }