function file(fichier){
        if(window.XMLHttpRequest) // FIREFOX
                xhr_object = new XMLHttpRequest();
        else if(window.ActiveXObject) // IE
                xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
        else
                return(false);
        xhr_object.open("GET", fichier, false);
        xhr_object.send(null);
        if(xhr_object.readyState == 4) return(xhr_object.responseText);
        else return(false);
}

function sender(file,data) {
	if (data != null) {
		method = "post";
	}else {
		method = "get";
	}

	if (window.XMLHttpRequest) {
		http = new XMLHttpRequest();
	}else if (window.ActiveXObject) {
		http = new ActiveXObject("Microsoft.XMLHTTP");
	}


	http.open(method, file, false);
	http.setRequestHeader("Content-type","application/x-www-form-urlencoded;charset=iso-8859-15");
	if (method == "post") {
		http.setRequestHeader("Content-length",data.length);
		http.setRequestHeader("Connection","close");
		http.send(data);
	}else {
		http.send(null);
	}
	
	if (http.readyState == 4) {
		return(http.responseText);
	}else {
		return(false);
	}
}

// Validation d'une date
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
    var i;
    for (i = 0; i < s.length; i++){
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
    var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
    // February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}

function DaysArray(n) {
    for (var i = 1; i <= n; i++) {
        this[i] = 31
	if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
	if (i==2) {this[i] = 29}
    }
    return this;
}

function isDate(dtStr){
    var daysInMonth = DaysArray(12)
    var pos1=dtStr.indexOf(dtCh)
    var pos2=dtStr.indexOf(dtCh,pos1+1)
    var strDay=dtStr.substring(0,pos1)
    var strMonth=dtStr.substring(pos1+1,pos2)
    var strYear=dtStr.substring(pos2+1)
    strYr=strYear
    if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
    if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
    for (var i = 1; i <= 3; i++) {
        if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
    }
    month=parseInt(strMonth);
    day=parseInt(strDay);
    year=parseInt(strYr);
    if (pos1==-1 || pos2==-1){
        document.getElementById("message_dob").innerHTML = "La date doit &ecirc;tre au format jj/mm/aaaa";
        return false;
    }
    if (strMonth.length<1 || month<1 || month>12){
        document.getElementById("message_dob").innerHTML = "Le mois saisi n'est pas correct";
        return false;
    }
    if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
        document.getElementById("message_dob").innerHTML = "La jours saisi n'est pas correct";
        return false;
    }
    if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
        document.getElementById("message_dob").innerHTML = "L'ann&eacute;e saisie n'est pas correcte";
        return false;
    }
    if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
        document.getElementById("message_dob").innerHTML = "Merci de saisir une date correcte";
        return false;
    }
    return true;
}

// Validation des adresses mails
function echeck(str) {
    var at="@"
    var dot="."
    var lat=str.indexOf(at)
    var lstr=str.length
    var ldot=str.indexOf(dot)
    if (str.indexOf(at)==-1){
        return false;
    }

    if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
        return false;
    }

    if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
        return false;
    }

    if (str.indexOf(at,(lat+1))!=-1){
        return false;
    }

    if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
        return false;
    }

    if (str.indexOf(dot,(lat+2))==-1){
        return false;
    }

    if (str.indexOf(" ")!=-1){
        return false;
    }
    return true;
}

// Fonction utilisé pour l'admin de stickies et newsletter
function form_add(){
    document.getElementById("form_add").style.display="block";
}