function displayDivInfo(info){
		var divInfo = document.getElementById('divInfo');
		if(info){
			document.onmousemove = function(e){
				x = (!isIE() ? e.pageX : event.x+document.documentElement.scrollLeft);
				y = (!isIE() ? e.pageY : event.y+document.documentElement.scrollTop);
				divInfo.style.left = x+15+'px';
				divInfo.style.top = y+15+'px';
			}
			
			divInfo.style.display = '';
			divInfo.innerHTML = '<strong>'+info+'</strong>';
		}
		else{
			document.onmousemove = '';
			divInfo.style.	display = 'none';
		}
	}
	
	function infosDb(id){
		if(id){
		    var XHR = false; 
			try {
			   XHR = new ActiveXObject("Microsoft.XMLHTTP");    // essayer Internet Explorer 
			}
			catch(e){
				  XHR = new XMLHttpRequest();
			}
			XHR.open("GET", '/map_ajax.php?id='+id, true);
			XHR.onreadystatechange = function () {
				if(XHR.readyState == 4){
					var close = '<div style="text-align: right; font-size: 80%; font-style: italic;"><a href="javascript:;" onClick="document.getElementById(\'infosDb\').style.display=\'none\';">fermer</a></div>';
					document.getElementById('infosDb').innerHTML = close+XHR.responseText;
					document.getElementById('infosDb').style.display = '';
				}
			}
			XHR.send(null);
		}
		else{
			document.getElementById('infosDb').style.display = '';
			document.getElementById('infosDb').innerHTML = '';
		}
	}