function change_state(id) {
	if (document.getElementById(id).style.display == "none") {
		document.getElementById(id).style.display = "block";
	} else {
		document.getElementById(id).style.display = "none";
	}
}
function activate(obj) {
	obj.disabled = false;
}
function validateFreeTicket(id,mail,file,id_form) {
	var xhr=null;
    htmlButton = document.getElementById("button").innerHTML;
    if (window.XMLHttpRequest) { 
        xhr = new XMLHttpRequest();
    }
    else if (window.ActiveXObject) 
    {
        xhr = new ActiveXObject("Microsoft.XMLHTTP");
    }
	xhr.onreadystatechange = function() { outputFreeTicket(xhr,file,htmlButton,id_form,id); };
	document.getElementById("button").innerHTML="<img src='/img/loading8.gif' width='50' height='10'/><div id='waiting'>Veuillez patienter...</div>";
    xhr.open("GET", "/includes/ajax/validateFreeTicket.php?id=" + id + "&mail=" + mail, true);
    xhr.send(null);
}
// Node cleaner
function go(c){
	if(!c.data.replace(/\s/g,''))
		c.parentNode.removeChild(c);
}
function cleanXML(d){
	var bal=d.getElementsByTagName('*');
	for(i=0;i<bal.length;i++){
		a=bal[i].previousSibling;
		if(a && a.nodeType==3)
			go(a);
		b=bal[i].nextSibling;
		if(b && b.nodeType==3)
			go(b);
		}
	return d;
} 
function outputFreeTicket(xhr,file,htmlButton,id_form,id) {
	if (xhr.readyState == 4){
		if (xhr.status == 200) {
			var docXML= cleanXML(xhr.responseXML.documentElement);
			if (docXML.getElementsByTagName("code")[0].firstChild.nodeValue == 0) {
                /*var popup = window.open(file);
				if (!popup) {
					change_state(id_form);
					change_state("pdflink");
				}*/
				change_state(id_form);
				change_state("pdflink" + id);
			} else {
				alert(docXML.getElementsByTagName("message")[0].firstChild.nodeValue);
			}
			document.getElementById("button").innerHTML=htmlButton;
		} else {
			alert('issue ' + xhr.status);
		}
	}
}