//	var CAL_Mesi = ["Gennaio", "Febbraio", "Marzo", "Aprile", "Maggio", "Giugno",
//		"Luglio", "Agosto", "Settembre", "Ottobre", "Novembre", "Dicembre"];
//	var CAL_Giorni = ["D", "L", "M", "M", "G", "V", "S"];
//	var CAL_GiornoStart = 1; // day week starts from (normally 0 or 1)
var CAL_explorer=true;
if(navigator.appName=="Netscape")
	CAL_explorer=false

function CAL_PrendiOggetto(id){
    return document.getElementById(id)
}

function PU_getCalendario(Id){
	var Obj=new CAL_Calendario(Id)
return Obj
}

function CAL_Calendario(Id){
	this.Id=Id
	this.Mesi=CAL_Mesi
	this.Giorni=CAL_Giorni
	this.GiornoStart=CAL_GiornoStart
	this.ImageFolder=CAL_ImageFolder
	this.ImageNextToolTip=CAL_ImageNextToolTip
	this.ImagePrevToolTip=CAL_ImagePrevToolTip
	this.ComboDaNascondere=eval("CAL_ComboDaNascondere_"+Id)
	this.ComboDaNascondereConMsg=eval("CAL_ComboDaNascondereConMsg_"+Id)
	this.DataMinima=eval("CAL_DataMinima_"+Id)
	this.DataMassima=eval("CAL_DataMassima_"+Id)
	this.JSCambioData=eval("CAL_JSCambioData_"+Id)
	this.JSApertura=eval("CAL_JSApertura_"+Id)
//	document.body.onclick="CAL_Obj_" + Id +".Close();"
//	document.body.onclick="alert();"
// Oggetti

// Metodi
	this.Open=CAL_Open
	this.Close=CAL_Close
	this.Focus=CAL_Focus
	this.SelData=CAL_SelData
	this.Validate=CAL_Valida
	this.IsDate=CAL_DataValida
	this.GetData=CAL_GetData
    this.SetDataMinima=CAL_SetDataMinima
    this.SetDataMassima=CAL_SetDataMassima
//	this.Hide=PU_Hide

}

// Metodi
// da fare
function CAL_SelData(data,saltaVerifica){
	CAL_PrendiOggetto(this.Id+"_CAL_txtData").value=data
	CAL_PrendiOggetto(this.Id+"_Msg").style.display="none"
	/* combo    */
	CAL_PrendiOggetto(this.Id+"_CAL_cmbGiorno").value=eval(data.toString().substring(0,2))
	CAL_PrendiOggetto(this.Id+"_CAL_cmbMese").value=data.toString().substring(3).replace("/","")
	if((this.JSCambioData!="")&&(!saltaVerifica))
		eval(this.JSCambioData)
	this.Close();
}
function CAL_GetData(){
	var testo=CAL_PrendiOggetto(this.Id+"_CAL_txtData").value
	if (testo.length==10){
		// con il parseInt a volte torna mese sbagliato ma srve per verificare che la data non sia nulla (con eval va in errore)
		var data=new Date(parseInt(testo.substring(6,10)),parseInt(testo.substring(3,5))-1,parseInt(testo.substring(0,2)))
		if(isNaN(data))
			return null
		else
			return new Date(parseInt(testo.substring(6,10)),eval(testo.substring(3,5))-1,eval(testo.substring(0,2)))
	}
	else
		return null
}
function CAL_SetDataMinima(data){
    this.DataMinima=data
    data.setHours(0,0,0,0)
}
function CAL_SetDataMassima(data){
    this.DataMassima=data
    //this.DataMassima.setHours(23,59,59,99)
    this.DataMassima.setTime(this.DataMassima.getTime()+1000*60*60*24)
}
function CAL_Close(disabledEvent){
	CAL_PrendiOggetto(this.Id+"_Mese").innerHTML=""
	CAL_PrendiOggetto(this.Id+"_Mese").style.display="none"
	if(!disabledEvent){
	    CAL_VisCombo("visible",this.ComboDaNascondere);
	    CAL_VisCombo("visible",this.ComboDaNascondereConMsg);
    }
}
function CAL_Open(str_datetime,evento){
	CAL_PrendiOggetto(this.Id+"_Mese").style.display=""
	if(this.JSApertura!="")
		eval(this.JSApertura)

/*	if(evento!=null){
		var X
		var Y
		if(explorer){
			X=evento.x-95
			Y=evento.y+10
//			alert(document.body.scrollTop)
			//pageYOffset
		}
		else{
			X=evento.layerX-95
			Y=evento.layerY+10
		}
		PrendiOggetto(this.Id+"_Mese").style.top=Y.toString()+"px"
		PrendiOggetto(this.Id+"_Mese").style.left=X.toString()+"px"
	}
	*/
	if(str_datetime=="")
		str_datetime=CAL_PrendiOggetto(this.Id+"_CAL_txtData").value
	var dt_datetime = (str_datetime == null || str_datetime =="" ?  new Date() : str2dt(str_datetime));
	dt_datetime=CAL_ProssimaDataValida(dt_datetime,this.DataMinima,this.DataMassima)

	var dt_prev_month = new Date(dt_datetime);
	dt_prev_month.setMonth(dt_datetime.getMonth()-1);
	var dt_next_month = new Date(dt_datetime);
	dt_next_month.setMonth(dt_datetime.getMonth()+1);
	var dt_firstday = new Date(dt_datetime);
	dt_firstday.setDate(1);
//	dt_firstday.setDate(1-(7+dt_firstday.getDay()-this.GiornoStart)%7);
	dt_firstday.setDate(1-(7+dt_firstday.getDay()-this.GiornoStart+1)%7);
	var dt_lastday = new Date(dt_next_month);
	dt_lastday.setDate(0);

	//---------PARTE SCRITTURA HTML-----------------
//---------ONUNLOAD------------
/*	var stringaOnUnload=""
	if(funzioneOnUnload!="")
		stringaOnUnload="onunload=\"window.opener."+funzioneOnUnload+"\"";*/
//------------------------------
	var str_buffer = new String (
//		"<body "+ stringaOnUnload+" topmargin='1' leftmargin='1' bgcolor=\"White\">\n"+
		"<table class=\"CAL_table\" onclick=\"event.cancelBubble=true\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\"  >\n"+
		"<tr><td class=\"CAL_TabContenitore\">\n"+
		"<table class=\"CAL_TabToolbar_table\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\"  height=\"6%\">\n"+
		"<tr>\n	<td align=\"left\" class=\"CAL_TabToolbar\">"+
/* originale con ora
		str_target+"', '"+ dt2dtstr(dt_prev_month)+"'+document.cal.time.value);\">"+
*/
//		"'"+ dt2dtstr(dt_prev_month)+"',null);\">"+
//		str_target+"', '"+ dt2dtstr(dt_prev_month)+"', '"+funzioneOnUnload+"');\">"+

//		"<img src=\"Calendario\\prev.gif\" width=\"16\" height=\"16\" border=\"0\""+
		"<img style=\"cursor:pointer;cursor:hand\" src=\""+this.ImageFolder+"prev.gif\" border=\"0\""+
		" alt=\""+this.ImagePrevToolTip+"\" onclick=\"javascript:CAL_Obj_"+this.Id+".Open('"+ dt2dtstr(dt_prev_month)+"',null);\"></td>\n"+
		"	<td class=\"CAL_Mese\" colspan=\"5\">"+
		this.Mesi[dt_datetime.getMonth()]+" "+dt_datetime.getFullYear()+"</td>\n"+
		"	<td align=\"right\" class=\"CAL_TabToolbar\">"+
/* originale con ora
		+str_target+"', '"+dt2dtstr(dt_next_month)+"'+document.cal.time.value);\">"+
*/
//		+"'"+dt2dtstr(dt_next_month)+"',null);\">"+
//		+str_target+"', '"+dt2dtstr(dt_next_month)+"', '"+funzioneOnUnload+"');\">"+

//		"<img src=\"Calendario\\next.gif\" width=\"16\" height=\"16\" border=\"0\""+
		"<img style=\"cursor:pointer;cursor:hand\" src=\""+this.ImageFolder+"next.gif\" border=\"0\""+
		" alt=\""+this.ImageNextToolTip+"\" onclick=\"CAL_Obj_"+this.Id+".Open('"+dt2dtstr(dt_next_month)+"',null);\"></td>\n</tr>\n"
	);
	str_buffer +="</table>\n"+
	"<table class=\"CAL_table_int\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\"  height=\"90%\">\n"
	var dt_current_day = new Date(dt_firstday);
	// print weekdays titles
	str_buffer += "<tr>\n";
	for (var n=0; n<7; n++)		
		str_buffer += "	<td class=\"CAL_GGSettimana\">"+
		this.Giorni[(this.GiornoStart+n-1)%7]+"</td>\n";
	// print calendar table
	str_buffer += "</tr>\n";
	while (dt_current_day.getMonth() == dt_datetime.getMonth() ||
		dt_current_day.getMonth() == dt_firstday.getMonth()) {
		// print row heder
		str_buffer += "<tr>\n";
		for (var n_current_wday=0; n_current_wday<7; n_current_wday++) {
				var ClasseLink = "CAL_GLink"
				if (dt_current_day.getDate() == dt_datetime.getDate() &&
					dt_current_day.getMonth() == dt_datetime.getMonth()){
					// print current date
					str_buffer += "	<td class=\"CAL_GSel\">";
					ClasseLink = "CAL_GSel"
				}
//				else if (dt_current_day.getDay() == 0 || dt_current_day.getDay() == 6)
				// weekend days
				else if (dt_current_day.getDay() == 6)
				// Solo Sabato
					str_buffer += "	<td class=\"CAL_GWeekEnd\">";
				else
					// print working days of current month
					str_buffer += "	<td class=\"CAL_G\">";

				if (dt_current_day.getMonth() == dt_datetime.getMonth())
					// print days of current month
					/* ORIGINALE CON ORARIO
					str_buffer += "<a href=\"javascript:window.opener."+str_target+
					".value='"+dt2dtstr(dt_current_day)+"'+document.cal.time.value; window.close();\">"+
					"<font color=\"black\" face=\"tahoma, verdana\" size=\"2\">";
					*/
					if(CAL_Selezionabile(dt_current_day,this.DataMinima,this.DataMassima))
						str_buffer += "<a href=\"javascript:CAL_Obj_"+this.Id+".SelData("+
						"'"+dt2dtstr(dt_current_day)+"');\" class=\""+ClasseLink+"\">"
					else
						str_buffer += "<a class=\"CAL_GNoLink\">"

					//+"<font color=\"black\" face=\"verdana, tahoma\" style=\"TEXT-DECORATION: none;FONT-SIZE:12px\">";

				else 
					// print days of other months
					/* ORIGINALE CON ORARIO
					str_buffer += "<a href=\"javascript:window.opener."+str_target+
					".value='"+dt2dtstr(dt_current_day)+"'+document.cal.time.value; window.close();\">"+
					"<font color=\"gray\" face=\"tahoma, verdana\" size=\"2\">";
				str_buffer += dt_current_day.getDate()+"</font></a></td>\n";
				dt_current_day.setDate(dt_current_day.getDate()+1);
					*/
					if(CAL_Selezionabile(dt_current_day,this.DataMinima,this.DataMassima))
						str_buffer += "<a href=\"javascript:CAL_Obj_"+this.Id+".SelData("+
						"'"+dt2dtstr(dt_current_day)+"');\" class=\"CAL_GLinkOut\">"
					else
						str_buffer += "<a class=\"CAL_GNoLink\">"
					
//					+"<font color=\"gray\" face=\"verdana, tahoma\" style=\"TEXT-DECORATION: none;FONT-SIZE:12px\">";
				str_buffer += dt_current_day.getDate()+"<!/font></a></td>\n";
				dt_current_day.setDate(dt_current_day.getDate()+1);
		}
		// print row footer
		str_buffer += "</tr>\n";	
	}
	// print calendar footer
	// --Bottone Oggi
/* ORIGINALE CON ORARIO
	str_buffer +=
		"<form name=\"cal\">\n<tr><td colspan=\"7\" bgcolor=\"#87CEFA\">"+
		"<font color=\"White\" face=\"tahoma, verdana\" size=\"2\">"+
		"Orario: <input type=\"text\" name=\"time\" value=\""+dt2tmstr(dt_datetime)+
		"\" size=\"8\" maxlength=\"8\"></font></td></tr>\n</form>\n" +
		"</table>\n" +
		"</tr>\n</td>\n</table>\n" +
		"</body>\n" +
		"</html>\n";
*/

//		str_buffer +="<tr><td>\n<input type=button value='Today'></td></tr>"
/* VECCHIO*/
	str_buffer +=
		"<tr>\n<td align=\"center\" class=\"CAL_TabToolbarChiudi\" colspan=\"7\">"+
		"<a href=\"javascript:CAL_Obj_"+this.Id+".Close();\" id=\"chiudi\">"+CAL_LinguaMsgChiudi+"</a></td></tr>"+
		"</table>\n"
		
				// Aggiungo descrizione non selezionabilità nei mesi di Luglio e Agosto
	//	str_buffer += "<tr><td>Nei Mesi di Luglio e Agosto è possibile arrivare e partire solo di Sabato</td></tr>";
//		if((dt_datetime.getMonth()==6)||(dt_datetime.getMonth()==7)){
/* Mostra il messaggio di data massima  */
		if(meseMessaggio(dt_datetime)){
			str_buffer += "<tr><td class=\"CAL_Msg\">"+CAL_LinguaMsgSabato+"</td></tr>"
			CAL_VisCombo("hidden",this.ComboDaNascondereConMsg)			
		}
		else
			CAL_VisCombo("visible",this.ComboDaNascondereConMsg)				
			str_buffer +="</tr>\n</td>\n</table>\n"
/*	str_buffer +=
		"</table>\n" +	
		"</tr>\n</td>\n" +
		"<tr><td align=center>\n"+
		"<input type=\"button\" style=\"cursor:hand; font-family:'tahoma, verdana'; font-size:10px ;border-right: #DBEAF5 1px solid; border-top: #DBEAF5 1px solid; border-left: #DBEAF5 1px solid; border-bottom: #DBEAF5 1px solid; background-color: #4682B4; color: white\" value=\"Oggi\" onclick=\"window.opener.Oggi('"+str_target+"','"+funzioneOnUnload+"',"+X+","+Y+");\">"+
		"&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"+
		"<select style=\"display:none\" name=\"cmbAnno\" id=\"cmbAnno\" onchange=\"window.opener.Anno('"+str_target+"','"+str_datetime+"','"+funzioneOnUnload+"','"+X+"','"+Y+"',this.options[this.selectedIndex].value);\" style=\"font-family:'tahoma, verdana'; font-size:10px\"><option value=0>[Vai all'anno]</select></td>"+
		"</tr>\n" +
		"</table>\n" +
		"<script language=javascript>\n"+
		"var Oggi=new Date();\n"+
		"var Anno=Oggi.getFullYear();\n"+
		"var testo;\n"+
		"if(navigator.appName=='Netscape') var combo=document.getElementById('cmbAnno');\n"+
		"else var combo=document.all('cmbAnno');\n"+
		"for(i=0;i<70;i++){\n"+
		"testo=Anno-i;\n"+
		"opzione=new Option(testo,testo);\n"+
		"combo.options[combo.length]=opzione;\n"+
		"}\n"+
		"</script>\n"+
		"</body>\n"+
		"</html>\n";

	var larghezza=200
	var altezza=220
	if(navigator.appName=="Netscape"){
		larghezza=217
		altezza=240
	}
	var vWinCal = window.open("", "Calendar", 
		"width="+larghezza+",height="+altezza+",status=no,resizable=yes,top="+Y+",left="+X);
	vWinCal.opener = self;
	vWinCal.focus()

	var calc_doc = vWinCal.document;
	calc_doc.write (str_buffer);
	calc_doc.close();*/
	CAL_VisCombo("hidden",this.ComboDaNascondere);
	CAL_PrendiOggetto(this.Id+"_Mese").innerHTML=str_buffer
	CAL_PrendiOggetto(this.Id+"_Mese").style.zIndex="1";
	
	if(evento)
		evento.cancelBubble=true;
}
// datetime parsing and formatting routimes. modify them if you wish other datetime format
function str2dt (str_datetime) {
/*	ORIGINALE PER IL FORMATO CON L'ORA E I SEPARATORI -
	var re_date = /^(\d+)\-(\d+)\-(\d+)\s+(\d+)\:(\d+)\:(\d+)$/;
*/
	var re_date = /^(\d+)\/(\d+)\/(\d+)/;
	if (!re_date.exec(str_datetime)){
//		return alert(CAL_LinguaDataNonValida + " " + str_datetime);
		if((str_datetime!=CAL_StringaNulla)&&(str_datetime!=""))
			alert(CAL_LinguaDataNonValida + " " + str_datetime);
		return new Date()			
	}
	return (new Date (RegExp.$3, RegExp.$2-1, RegExp.$1, RegExp.$4, RegExp.$5, RegExp.$6));
}
function dt2dtstr (dt_datetime) {
	
/* ORIGINALE
	return (new String (
			dt_datetime.getDate()+"/"+(dt_datetime.getMonth()+1)+"/"+dt_datetime.getFullYear()+" "));
*/
	var giorno=new String(dt_datetime.getDate())	
	if (giorno.length==1)
		giorno="0"+giorno
	var mese=new String(dt_datetime.getMonth()+1)	
	if (mese.length==1)
		mese="0"+mese
	return (new String (
			giorno+"/"+mese+"/"+dt_datetime.getFullYear()));
}
function CAL_ValKey(evento,txt){
	// Abilito i numeri e il carattere "/"
	var tasto	
	if(CAL_explorer)
		tasto=evento.keyCode
	else
		tasto=evento.which
	if(!(((tasto>47)&&(tasto<58))||(tasto==47)))
		if(CAL_explorer)
			evento.keyCode=null;
		else
			return false
	else{
		if(txt.value==CAL_StringaNulla)
			txt.value=""	//sul primo inserimento cancello il formato
		else
			if(((txt.value.length==2)||(txt.value.length==5))&&(tasto!=47))
				txt.value=txt.value+"/"
	}
	if (txt.value.length>9)
		if(CAL_explorer)
			evento.keyCode=null;
		else
			return false
	return false
			
}

function CAL_VisCombo(visibilita,listaCombo){
/*	var coll
	if(explorer)
		coll=document.all.tags("select")
	else
		coll=document.getElementsByTagName("select")
	for(i=0;i<coll.length;i++){
		coll[i].style.visibility=visibilita
	}*/
	var arrayCombo=listaCombo.split(",")
	for(i=0;i<arrayCombo.length;i++)
		if(arrayCombo[i]!="")
			CAL_PrendiOggetto(arrayCombo[i]).style.visibility=visibilita
}
function CAL_Valida(){
	var txtData=CAL_PrendiOggetto(this.Id+"_CAL_txtData")
	var valoreCombo=""
	if((CAL_PrendiOggetto(this.Id+"_CAL_cmbGiorno").selectedIndex>0)&&(CAL_PrendiOggetto(this.Id+"_CAL_cmbMese").value)>0)
	    valoreCombo=CAL_PrendiOggetto(this.Id+"_CAL_cmbGiorno").value+"/"+CAL_PrendiOggetto(this.Id+"_CAL_cmbMese").value.toString().substr(0,2)+"/"+CAL_PrendiOggetto(this.Id+"_CAL_cmbMese").value.toString().substr(2)
	var lblMsg=CAL_PrendiOggetto(this.Id+"_Msg")
	if(valoreCombo!=""){
		var Data=str2dt(valoreCombo)
		var meseScelto=eval(CAL_PrendiOggetto(this.Id+"_CAL_cmbMese").value.toString().substr(0,2))
		while(Data.getMonth()+1!=meseScelto){
		    Data.setDate(Data.getDate()-1)
		}
		if(CAL_Selezionabile(Data,this.DataMinima,this.DataMassima)){
			txtData.value=dt2dtstr(Data)
			lblMsg.innerHTML=""
			lblMsg.style.display="none"
			CAL_VisCombo("visible",this.ComboDaNascondere)
			CAL_PrendiOggetto(this.Id+"_CAL_cmbGiorno").value=eval(txtData.value.toString().substring(0,2))
        	CAL_PrendiOggetto(this.Id+"_CAL_cmbMese").value=txtData.value.toString().substring(3).replace("/","")
		}
		else{
			/* mostra il messaggio a dx */
/*			if(Data>=this.DataMinima){
				lblMsg.innerHTML=CAL_LinguaMsgSabato
				lblMsg.style.display=""
				CAL_VisCombo("hidden",this.ComboDaNascondere)
			}*/
			//rimetto combo a vecchio valore
        	    if(txtData.value.toString()!=CAL_StringaNulla){
				    CAL_PrendiOggetto(this.Id+"_CAL_cmbGiorno").value=eval(txtData.value.toString().substring(0,2))
            	    CAL_PrendiOggetto(this.Id+"_CAL_cmbMese").value=txtData.value.toString().substring(3).replace("/","")
            	}
            	else{
            	    CAL_PrendiOggetto(this.Id+"_CAL_cmbGiorno").selectedIndex=0
            	    CAL_PrendiOggetto(this.Id+"_CAL_cmbMese").selectedIndex=0
            	}
            	
			//txtData.value=dt2dtstr(new Date())
		}
	}
	else{
		if(CAL_StringaNulla)
		    if(CAL_AccettaDataNulla)
		        txtData.value=CAL_StringaNulla	     
		    else
		        txtData.value=dt2dtstr(CAL_ProssimaDataValida(new Date(),this.DataMinima,this.DataMassima))
	}
	//alert(txtData.value)
	if(this.JSCambioData!="")
		eval(this.JSCambioData)
}
function CAL_DataValida(){
	var txtData=CAL_PrendiOggetto(this.Id+"_CAL_txtData")
	return (!((txtData.value=="")||(txtData.value==CAL_StringaNulla)))
}
function CAL_ProssimaDataValida(Data,DataMinima,DataMassima){
    while(!CAL_Selezionabile(Data,DataMinima,DataMassima)){
	    Data.setDate(Data.getDate()+1)   
	    if(DataMassima!=null)
	        if(Data>DataMassima)
	            return DataMassima
    }
    return Data;
}
function CAL_Focus(){
//	var txtData=PrendiOggetto(this.Id+"_CAL_txtData")
//	if(txtData.value==CAL_StringaNulla)
//		txtData.value=""
}