function loadurl(dest) {
	try {
		// Moz supports XMLHttpRequest. IE uses ActiveX.
		// browser detction is bad. object detection works for any browser
		xmlhttp = window.XMLHttpRequest?new XMLHttpRequest(): new ActiveXObject("Microsoft.XMLHTTP");
	} catch (e) {
		// browser doesn't support ajax. handle however you want
	}
	// the xmlhttp object triggers an event everytime the status changes
	// triggered() function handles the events
	xmlhttp.onreadystatechange = triggered;
	// open takes in the HTTP method and url.
	xmlhttp.open("GET", dest);
	// send the request. if this is a POST request we would have
	// sent post variables: send("name=aleem&gender=male)
	// Moz is fine with just send(); but
	// IE expects a value here, hence we do send(null);
	xmlhttp.setRequestHeader("Content-Type","content=text/html; charset=ISO-8859-1");
	xmlhttp.send(null);
}

function triggered() {
// if the readyState code is 4 (Completed)
// and http status is 200 (OK) we go ahead and get the responseText
// other readyState codes:
// 0=Uninitialised 1=Loading 2=Loaded 3=Interactive
	if ((xmlhttp.readyState == 4) && (xmlhttp.status == 200)) {
		// xmlhttp.responseText object contains the response.
		document.getElementById("output").innerHTML = xmlhttp.responseText;
	}
	else {
	if (xmlhttp.readyState == 1) {
		document.getElementById("output").innerHTML = '<br><br><br><br><br><center><img src="img/carregant.gif"></img></center>';
	}
}
	
}

function canviaFons(div,bg)
{
    document.getElementById(div).style.backgroundImage = "url(img/"+bg+".jpg)";
}