var settings = {
	
	'force_size':			0,
	'img_width':			468,
	'img_height':			60,
	'refresh_time':			2500,
	'refresh_max':			100,
	'duplicate_banners':           1,	
	'location_prefix': 		'adLocation-',					
	'location_class':		'swb',		
	'window': 				'_self',
	'default_ad_loc':		'default'	
}

var banners = [
	new banner('UNO       ', '#', 'banner/1.png',  '30/04/2019', 'top'),
	new banner('DUE        ', '#', 'banner/2.png',  '10/04/2019', 'top'),
	new banner('TRE         ', '#', 'banner/3.png',  '30/04/2019', 'top'),
	new banner('QUATTRO', '#', 'banner/4.png',  '10/04/2019', 'top'),
	new banner('CINQUE ', '#', 'banner/5.png',  '30/04/2019', 'top'),
	new banner('SEI    ', '#', 'banner/6.png',  '30/04/2019', 'top'),
	new banner('NOVE   ', '#', 'banner/9.png',  '30/04/2019', 'down'),
	new banner('DIECI  ', '#', 'banner/10.png', '30/04/2019', 'down'),
	new banner('UNDICI ', '#', 'banner/11.png', '30/04/2019', 'down'),
	new banner('DODICI ', '#', 'banner/12.png', '30/04/2019', 'down'),
	new banner('TREDICI', '#', 'banner/13.png', '30/04/2019', 'down')
]

var used=0;
var location_counter=0;
var refresh_counter=1;
var map=new Array();
function banner(a,b,c,d,e){
 this.name=a;
 this.url=b;
 this.image=c;
 this.date=d;
 this.active=1;
 this.oid=0;
 if(e!=''){
  this.loc=e
  }else{
  this.loc=settings.default_ad_loc
 }
}

function show_banners(a){
 location_counter=location_counter+1;
 if(a!=''&&a!=undefined){
  map[location_counter]=a
  }else{
  map[location_counter]=settings.default_ad_loc
 }
 var b='<div id="'+settings.location_prefix+location_counter+'" class="'+settings.location_class+'"></div>';
 document.write(b);
 display_banners(location_counter)
}
function display_banners(a){
 var b=new Array();
 if(a==''||!a||a<0){
  return
 }
 var c=banners.length;
 if((c==used)&&settings.duplicate_banners==0){
  return
 }
 for(i=0;i<(banners.length);i++){
  banners[i].oid=i;
  if((banners[i].loc==map[a])&&(banners[i].active==1)){
   b.push(banners[i])
  }
 }
 var d=Math.floor(Math.random()*b.length);
 var e=b[d];
 var f=(settings.force_size==1)?' width="'+settings.img_width+'" height="'+settings.img_height+'"':'';
 var g='<a href="'+e.url+'" title="'+e.name+'" target="'+settings.window+'"><img border="0" src="'+e.image+'"'+f+' alt="'+e.name+'" /></a>';
 var h=new Date();var j=e.date;j=j.split('/',3);
 var k=new Date();
 k.setFullYear(parseInt(j[2]),parseInt(j[1])-1,parseInt(j[0]));
 if((h<k)&&e.active==1){
  var l=document.getElementById(settings.location_prefix+a);
  if(l==null){
   alert('spyka Webmaster banner rotator\nError: adLocation doesn\'t exist!')
   }else{
   l.innerHTML=g;
   if(settings.duplicate_banners==0){
    banners[e.oid].active=0;
    used++}return
   }
   }else{
   display_banners(a)
  }
 return
}

function refresh_banners(){
 if((refresh_counter==settings.refresh_max)||settings.refresh_time<1){
  clearInterval(banner_refresh)
 }
 used=0;
 for(j=0;j<(banners.length);j++){
  banners[j].active=1
 }
 for(j=1;j<(location_counter+1);j++){
  display_banners(j)
 }
 refresh_counter++
}

var banner_refresh=window.setInterval(refresh_banners,settings.refresh_time);