var ExtWin;
ExtWin=null;

function ApriFinestra(winname, str, w, h, l, t, scrollbars) {
	if (ExtWin == null) {
		ExtWin = window.open(str,winname,'scrollbars=' + scrollbars + ',resizable=yes,width=' + w + ',height=' + h + ',left=' + l + ',top=' + t + ',status=yes,location=no,toolbar=no,dependent=true,hotkeys=false');
	}
	else {
		ExtWin.close();
		ExtWin = window.open(str,winname,'scrollbars=' + scrollbars + ',resizable=yes,width=' + w + ',height=' + h + ',left=' + l + ',top=' + t + ',status=yes,location=no,toolbar=no,dependent=true,hotkeys=false');
	}
	ExtWin.focus();
}

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_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_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); 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 MM_nbGroup(event, grpName) { //v3.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    if ((nbArr = document[grpName]) != null)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = args[i+1];
      nbArr[nbArr.length] = img;
  } }
}

function MM_validateForm() {
	var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
	for (i=0; i<(args.length-2); i+=4) {
		test=args[i+2];
		val=MM_findObj(args[i]);
		obj=MM_findObj(args[i]);
		if (val) {
			nm=args[i+3];
			if ((val=val.value)!="") {
				if (test.indexOf('isEmail')!=-1) {
					p=val.indexOf('@');
					if (p<1 || p==(val.length-1)) errors+='- '+nm+' deve contenere un indirizzo e-mail.\n';
				} 
				else if (test!='R') {
					if (test == 'C') {
						if (! obj.checked) errors+='- '+nm+' deve essere selezionato.\n';
					}
					else {
						if (isNaN(val)) errors+='- '+nm+' deve contenere un numero.\n';
						if (test.indexOf('inRange') != -1) {
							p=test.indexOf(':');
							min=test.substring(8,p); max=test.substring(p+1);
							if (val<min || max<val) errors+='- '+nm+' deve contenere un numero compreso tra '+min+' e '+max+'.\n';
				    	}
					}
				}
			}
			else if (test.charAt(0) == 'R') errors += '- '+nm+' è un campo obbligatorio.\n';
		}
	}
	if (errors) alert('Sono stati rilevati i seguenti errori:\n'+errors);
	document.MM_returnValue = (errors == '');
}

function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

function FitWindowScroll(imagePath,alt,posLeft,posTop) {
	newWindow = window.open("","newWindow","left="+posLeft+",top="+posTop+",screenX="+posLeft+",screenY="+posTop+",scrollbars=yes,resizable=no,width=400,height=250");
	newWindow.document.open();
	newWindow.document.writeln('<html><title>'+alt+'</title>');
	newWindow.document.writeln('<head>');
	newWindow.document.writeln('<script language="javascript"> ');
	newWindow.document.writeln('function centra() {');
	newWindow.document.writeln('var Xpos;');
	newWindow.document.writeln('var Ypos;');

	newWindow.document.writeln("if (document.images['foto'].width > screen.width - 50 || document.images['foto'].height > screen.height - 50) {"); 
	newWindow.document.writeln("	window.resizeTo(document.images['foto'].width + 30,document.images['foto'].height + 65);"); 
	newWindow.document.writeln("}"); 
	newWindow.document.writeln("else {"); 
	newWindow.document.writeln("}"); 
	newWindow.document.writeln("	window.resizeTo(document.images['foto'].width + 30,document.images['foto'].height + 65);"); 
	newWindow.document.writeln('Xpos=(screen.width-document.images["foto"].width)/2;');
	newWindow.document.writeln('Ypos=(screen.height-document.images["foto"].height)/2;');
	//newWindow.document.writeln('window.moveTo(Xpos,Ypos);');


	newWindow.document.writeln('isNS4 = (document.layers) ? true : false;');
	newWindow.document.writeln('isIE4 = (document.all && !document.getElementById) ? true : false;');
	newWindow.document.writeln('isIE5 = (document.all && document.getElementById) ? true : false;');
	newWindow.document.writeln('isNS6 = (!document.all && document.getElementById) ? true : false;');
	
	newWindow.document.writeln('if (isNS4) {');
		newWindow.document.writeln('obj = document.layers["IMG"];');
	newWindow.document.writeln('}');
	newWindow.document.writeln('else if (isIE4) {');
		newWindow.document.writeln('obj = document.all["IMG"];');
	newWindow.document.writeln('}');
	newWindow.document.writeln('else if (isIE5 || isNS6) {');
		newWindow.document.writeln('obj = document.getElementById("IMG");');
	newWindow.document.writeln('}');
    
	newWindow.document.writeln('obj.style.visibility = "visible";');


	newWindow.document.writeln('}');
	newWindow.document.writeln('</script>');
	newWindow.document.writeln('<link rel="stylesheet" href="/css/default.css" type="text/css">');
	newWindow.document.writeln('</head>');

	newWindow.document.writeln('<body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginheight="0" marginwidth="0">'); 
	newWindow.document.writeln('<h2 style="visibility:visible; z-index:1; background-color: transparent; layer-background-color: transparent; border: none; align: center;">loading...</h2>'); 
	newWindow.document.writeln('<div id="IMG" style="visibility:hidden; position:absolute; left:0px; top:0px; z-index:1; background-color: transparent; layer-background-color: transparent; border: none">'); 
	newWindow.document.writeln('<img src="' + imagePath + '" name="foto" alt="' + alt +'" onLoad="javascript:centra();">'); 
	newWindow.document.writeln('</div>'); 
	newWindow.document.writeln('</body></html>');

	newWindow.document.close();
	newWindow.focus();
}

function nextDay(day){
var d = new Date;
(day = (Math.abs(+day || 0) % 7) - d.getDay()) < 0 && (day += 7);
return day && d.setDate(d.getDate() + day), d;
};

function dateAddExtension(p_Interval, p_Number){
   var thing = new String();
   
   //in the spirt of VB we'll make this function non-case sensitive
   //and convert the charcters for the coder.
   p_Interval = p_Interval.toLowerCase();
   
   if(isNaN(p_Number)){
      //Only accpets numbers 
      //throws an error so that the coder can see why he effed up   
      throw "The second parameter must be a number. \n You passed: " + p_Number;
      return false;
   }

   p_Number = new Number(p_Number);
   switch(p_Interval.toLowerCase()){
      case "yyyy": {// year
         this.setFullYear(this.getFullYear() + p_Number);
         break;
      }
      case "q": {      // quarter
         this.setMonth(this.getMonth() + (p_Number*3));
         break;
      }
      case "m": {      // month
         this.setMonth(this.getMonth() + p_Number);
         break;
      }
      case "y":      // day of year
      case "d":      // day
      case "w": {      // weekday
         this.setDate(this.getDate() + p_Number);
         break;
      }
      case "ww": {   // week of year
         this.setDate(this.getDate() + (p_Number*7));
         break;
      }
      case "h": {      // hour
         this.setHours(this.getHours() + p_Number);
         break;
      }
      case "n": {      // minute
         this.setMinutes(this.getMinutes() + p_Number);
         break;
      }
      case "s": {      // second
         this.setSeconds(this.getSeconds() + p_Number);
         break;
      }
      case "ms": {      // second
         this.setMilliseconds(this.getMilliseconds() + p_Number);
         break;
      }
      default: {
         //throws an error so that the coder can see why he effed up and
         //a list of elegible letters.
         throw   "The first parameter must be a string from this list: \n" +
               "yyyy, q, m, y, d, w, ww, h, n, s, or ms.  You passed: " + p_Interval;
         return false;
      }
   }
   return this;
}

function returnDateInterval(year, month, day, weekStartDay, intervalLength, useFullYear) {
	var weekEndStart = new Date();
	var weekEndFinish = new Date();
	var openDay = new Date();
	var weekEndStartDate;
	var weekEndFinishDate;
	
	weekEndStart.dateAdd("d", 1);
	openDay.setFullYear(year, month, day);
	
	if (weekEndStart < openDay) weekEndStart.setFullYear(openDay.getFullYear(), openDay.getMonth(), openDay.getDate());
	weekEndStart.setDate(weekEndStart.getDate() + (7 + weekStartDay - weekEndStart.getDay()) % 7);
	weekEndFinish.setFullYear(weekEndStart.getFullYear(), weekEndStart.getMonth(), weekEndStart.getDate());
	weekEndFinish.dateAdd("d", intervalLength);
	
	var weekEndStartMonth = weekEndStart.getMonth() + 1;
	if (weekEndStartMonth < 10) weekEndStartMonth = "0" + weekEndStartMonth.toString();
	var weekEndStartDay = weekEndStart.getDate();
	if (weekEndStart.getDate() < 10) weekEndStartDay = "0" + weekEndStartDay.toString();
	var weekEndFinishMonth = weekEndFinish.getMonth() + 1;
	if (weekEndFinishMonth < 10) weekEndFinishMonth = "0" + weekEndFinishMonth.toString();
	var weekEndFinishDay = weekEndFinish.getDate();
	if (weekEndFinish.getDate() < 10) weekEndFinishDay = "0" + weekEndFinishDay.toString();
	
	var startYear = weekEndStart.getFullYear().toString();
	if (!useFullYear) startYear = startYear.substring(2,4)
	var endYear = weekEndFinish.getFullYear().toString();
	if (!useFullYear) endYear = endYear.substring(2,4)
	
	weekEndStartDate = startYear + weekEndStartMonth + weekEndStartDay;
	weekEndFinishDate = endYear + weekEndFinishMonth + weekEndFinishDay;

	return new Array(weekEndStartDate, weekEndFinishDate);
}

function creaPrenotaLink(year, month, day, region, city, descri, imgNumber) {
	var nextWeekEnd = new Array();
	var regionLink = '/r/' + region;
	var cityLink = '';
	if (city != 0) cityLink = '/c/' + city;
	
	nextWeekEnd = returnDateInterval(year, month, day, 5, 2, false);
	
	var myPrenotaLink = '<a href="http://www.divertiviaggi.it/search' + regionLink + '' + cityLink + '/d/' + nextWeekEnd[0] + '/a/' + nextWeekEnd[1] + '" title="' + descri + '" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage(\'Prenota' + imgNumber + '\',\'\',\'/img/bottonePrenotaOver.gif\',1)"><img src="../img/bottonePrenota.gif" alt="' + descri + '" width="71" height="22" id="Prenota' + imgNumber + '" /></a>';
	document.writeln(myPrenotaLink);
}

function creaDivertiBoxFrame(region, city, structType, descri) {
	var nextInterval = new Array();
	var myFrom = new Date();
	var regionLink = 'MM_region=' + region + "&amp;";
	var cityLink = '';
	if (city != 0) cityLink = 'MM_city=' + city + "&amp;";
	
	nextInterval = returnDateInterval(myFrom.getFullYear(), myFrom.getMonth(), myFrom.getDay(), 6, 7, true);
	
	var myPrenotaLink = '<iframe frameborder="0" scrolling="no" src="http://www.divertiviaggi.it/divertibox/divertiBoxTestIFrameInternal.html?' + regionLink + cityLink + 'MM_from=' + nextInterval[0] + '&amp;MM_to=' + nextInterval[1] + '&amp;MM_st=' + structType + '&amp;MM_searchDescri=' + descri + '" style="border: 0px none; width: 245px; height: 95px;"></iframe>';
	document.writeln(myPrenotaLink);
}