// JavaScript Document
var xmlHttp=createXmlHttpRequestObject();

function createXmlHttpRequestObject()
{
	var xmlHttp;
	if(window.ActiveXObject)
	{
		try
		{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch (e)
		{
			xmlHttp=false;
		}
	}
	else
	{
		try
		{
			xmlHttp=new XMLHttpRequest();
		}
		catch (e)
		{
			xmlHttp=false;
		}
	}
	if(!xmlHttp){
		alert("Impossibile creare l'oggetto XMLHttpRequest!");
		return null;
	}
	else {
		return xmlHttp;
	}
}

function Cerca()
{
	if(xmlHttp.readyState==4 || xmlHttp.readyState==0)
	{
		
		f=document.getElementById("frmSearch");
		var s=new String;
		for(x=0;x<f.elements.length;x++)
		{
			switch(f.elements[x].type)
			{
				case "checkbox":
				case "radio":
					if(f.elements[x].checked==true) 	
					{
						s+=f.elements[x].name + "=" +encodeURI(f.elements[x].value)+"&";	
					}
					break;
				case "select-one":
					if(f.elements[x].options.length>0)
					{
						s+=f.elements[x].name + "=" +encodeURI(f.elements[x].options[f.elements[x].selectedIndex].value)+"&";
					}
					break;
				case "text":	
				case "hidden":
					s+=f.elements[x].name + "=" +encodeURI(f.elements[x].value)+"&";	
					break;

			}
		}

		xmlHttp.open("POST", "xml/getact.php", true);
//		alert("xml/getact.php?"+s);
		//Send the proper header information along with the request
		xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		xmlHttp.setRequestHeader("Content-length", s.length);
		xmlHttp.setRequestHeader("Connection", "close");
		xmlHttp.onreadystatechange=function(){Aggiorna()};
		xmlHttp.send(s);
	}	
}

function Aggiorna()
{
		if(xmlHttp.readyState==4)
		{
			if(xmlHttp.status==200)
			{
				var TESTO=xmlHttp.responseXML.getElementsByTagName('testo');
				document.getElementById("contenuto_albo").innerHTML=TESTO.length && TESTO[0].firstChild?TESTO[0].firstChild.data:"";
			}
		}
	
	}