function aff(message) {
	document.getElementById('message').innerHTML = message;
	document.getElementById('message').style.display = 'block';
}

function hide() {
	document.getElementById('message').style.display = 'none';
}

function load(p) {
	xhr = null;
	
	if(window.XMLHttpRequest) // Firefox
	   xhr = new XMLHttpRequest();
	else if(window.ActiveXObject) // Internet Explorer
	   xhr = new ActiveXObject("Microsoft.XMLHTTP");
	else { // XMLHttpRequest non supporté par le navigateur
	   hide();
	   return true;
	}

	aff('<img src="img/charg.gif" alt=""/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Chargement en cours ...');

	xhr.open("GET", p, true);
	xhr.send(null);
	xhr.onreadystatechange = function () {
		if(xhr.readyState == 4) {
			document.getElementById('sub-centre').innerHTML = xhr.responseText;
			hide();
		}
	}
	return false;
}

function liensShow(num) {
	document.getElementById('liensGroupes').style.display = 'none';
	document.getElementById('liensLabels').style.display = 'none';
	document.getElementById('liensWebzine').style.display = 'none';
	if (num == 1) {
		document.getElementById('liensGroupes').style.display = 'block';
		return;
	}
	else if (num == 2) {
		document.getElementById('liensLabels').style.display = 'block';
		return;
	}
	else if (num == 3) {
		document.getElementById('liensWebzine').style.display = 'block';
		return;
	}
	return;
}

function see_image (image, txt) {
	document.getElementById("img-view").style.opacity = 0;
	document.getElementById("img-view").style.filter = "alpha(opacity=0)";
	document.getElementById("img-view").innerHTML = '<a href="javascript:void(0);" onClick="hide_image()" class="img">'+txt+'<br /><img src="'+image+'" /><br />Fermer</a>';
	document.getElementById("img-view").style.display = "block";
	for (i=0; i <= 1; i = i + 0.1) {
		setTimeout('document.getElementById("img-view").style.opacity = '+i+';', i*1000);
		setTimeout('document.getElementById("img-view").style.filter = "alpha(opacity="+Math.round('+i*100+')+")";', i*1000);
	}
}

function hide_image () {
	document.getElementById("img-view").style.display = "none";
}