var xmlHttp;
function stateChanged(){
	if (xmlHttp.readyState==4 || xmlHttp.readyState=='complete')
	{
		document.getElementById('programmazione').innerHTML=xmlHttp.responseText ;
	} 
}

function stateChangedMonth(){
	if (xmlHttp.readyState==4 || xmlHttp.readyState=='complete')
	{
		document.getElementById('calendario').innerHTML=xmlHttp.responseText ;
	} 
}

function GetXmlHttpObject(handler){
	var objXmlHttp=null;
	if (navigator.userAgent.indexOf('Opera')>=0){
		alert('This example does not work in Opera') ;
		return ;
	}
	if (navigator.userAgent.indexOf('MSIE')>=0){
		var strName='Msxml2.XMLHTTP';
		if (navigator.appVersion.indexOf('MSIE 5.5')>=0){
			strName='Microsoft.XMLHTTP';
		}	
		try	{objXmlHttp=new ActiveXObject(strName);objXmlHttp.onreadystatechange=handler ;return objXmlHttp;}	
		catch(e){ alert('Error. Scripting for ActiveX might be disabled') ;	return ;}
	}
	if (navigator.userAgent.indexOf('Mozilla')>=0){
		objXmlHttp=new XMLHttpRequest();
		objXmlHttp.onload=handler;
		objXmlHttp.onerror=handler;
		return objXmlHttp;
	}
} 

function go2day(day, month, year){
	document.getElementById('programmazione').innerHTML='<img src="images/indicator.gif" title="indicatore" alt="indicatore"> Attendere il caricamento';
	document.getElementById('comevederci').innerHTML='';
	lung_row=document.getElementById('calendar').rows.length;
	for(i = 2; i<lung_row; i++){
		for(j = 0; j<document.getElementById('calendar').rows[i].cells.length; j++){
			document.getElementById('calendar').rows[i].cells[j].style.backgroundImage='none';
		}
	}
	document.getElementById(day).style.backgroundImage='url(images/circle.gif)';
	document.getElementById(day).style.backgroundRepeat='no-repeat';
	document.getElementById(day).style.backgroundPosition='center left';	
	var url='/day.php?giorno=' + day + '&mese=' + month + '&anno=' + year; 
	xmlHttp=GetXmlHttpObject(stateChanged) ;	
	xmlHttp.open('GET', url , true) ;	
	xmlHttp.send(null) ;
}

function changeMonth(month, year){
	var url='/month.php?mese=' + month + '&anno=' + year; 
	xmlHttp=GetXmlHttpObject(stateChangedMonth) ;	
	xmlHttp.open('GET', url , true) ;	
	xmlHttp.send(null) ;
}

function comevederci(myId){
	document.getElementById(myId).innerHTML='<p align="justify"><font class="content"><font color="Maroon"><b>COME VEDERCI:</b></font><br>' 
		+ '</font></p><font class="content"><br></font><p align="justify"><font class="content">Per le persone fornite di un decoder <font color="Red"><b>non SKY</b></font>'
		+ '</font></p><ul>'
		+ '<font class="content">  <li>'
		+ '<font color="Teal"><b>Hotbird 7a - 13° est</b></font></li>'
		+ '  <li>'
		+ '<font color="Maroon"><b>TRASPONDER:</b></font> 18 </li>'
		+ ' <li>'
		+ '<font color="Maroon"><b>FREQUENZA:</b></font> 11.541,03</li>'
		+ ' <li>'
		+ '<font color="Maroon"><b>FEQ:</b></font> 5/6</li>'
		+ ' <li>'
		+ '<font color="Maroon"><b>POLARIZZAZIONE:</b></font> Verticale</li>'
		+ '  <li>'
		+ '<font color="Maroon"><b>SYMBOL RATE:</b></font> 22.000 Mbauds</li>'
		+ '  <li>'
		+ '<font color="Maroon"><b>Nome Canale:</b></font> Arcoiris TV </li>'
		+ '</font></ul>'
		+ '<p><font class="content">Per le persone fornite di un <font color="Red"><b>decoder SKY:</b></font>'
		+ '<font color="#0000ff"><b>canale 916<br>'
		+ '</b></font></font></p>';
}