/*********** ajout à la sélection ************/
function deleteSelection(num){
	var xhr=null;
	if (window.XMLHttpRequest){ 
		xhr = new XMLHttpRequest();
	}else if (window.ActiveXObject){
		xhr = new ActiveXObject("Microsoft.XMLHTTP");
	}
	if(xhr != null){
		xhr.onreadystatechange = function() { resultDeleteSelection(xhr,num);};
		xhr.open("GET", chemin + "delete-selection.php?id="+num, true);
		xhr.send(null);
	}
}

function resultDeleteSelection(xhr,num){
	if (xhr.readyState == 4  && xhr.status == 200){
		if(xhr.responseText == "ok"){
			document.getElementById('ligne1_'+num).style.display = "none";
			document.getElementById('ligne2_'+num).style.display = "none";
			document.getElementById('ligne3_'+num).style.display = "none";
		}
	}
}