function ban_inizia(){
 for (i=0; i <= (ban_loc.length - 1); i++){
  if (document.getElementById(ban_loc[i])){
  i2 = 1; // pos
   while (document.getElementById(ban_loc[i] + "_" + i2 + "_1")){
   i3 = 1;
    while (document.getElementById(ban_loc[i] + "_" + i2 + "_" + i3)){
    i3++; // numerazione
    }
	
    if (i3 > 2){
	az1 = ban_loc[i] + "_" + i2;
	//alert(az1);
    eval("id_" + az1 + "=" + setInterval("prova('" + az1 + "' )", 1000));
	}	
   i2++;
   }
  
  }
 }
}

function prova(idel){
val9 = arrayIndexOf(ban_attiva, idel);

 if (val9 == -1){
 ban_attiva[idel] = 1;
 var data2 = new Date();
 ban_tempo[idel] = (document.getElementById(idel + "_1_").value * 1000);
 ban_tempo_tot[idel] = data2.getTime() + ban_tempo[idel];
 }

var data3 = new Date(); 
//alert(data3.getTime() + " - " + ban_tempo_tot[idel] );


  if (data3.getTime() > ban_tempo_tot[idel]){
  i2 = 1;
  temp2 = idel + "_" + i2;
   while (document.getElementById(temp2)){
   document.getElementById(temp2).style.display = "none";
   i2++;
   temp2 = idel + "_" + i2;
   }
  
  ban_attiva[idel]++;
   if (ban_attiva[idel] >= i2){
   ban_attiva[idel] = 1;
   }
  temp3 = idel + "_" + ban_attiva[idel];
  document.getElementById(temp3).style.display = "block"; 
  ban_tempo[idel] = (document.getElementById(temp3 + "_").value * 1000);
  var data4 = new Date(); 
  ban_tempo_tot[idel] = data4.getTime() + ban_tempo[idel];  
  }
 
}

function arrayIndexOf(array, search) {

	if (array[search] > 0){
	return array[search];
	}	
	return -1;
}