function FuturesForPWC_oct2011_toggle(div_id) {
	var el = document.getElementById(div_id);
	if ( el.style.display == 'none' ) {	el.style.display = 'block';}
	else {el.style.display = 'none';}
}
function FuturesForPWC_oct2011_blanket_size(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportheight = window.innerHeight;
	} else {
		viewportheight = document.documentElement.clientHeight;
	}
	if ((viewportheight > document.body.parentNode.scrollHeight) && (viewportheight > document.body.parentNode.clientHeight)) {
		blanket_height = viewportheight;
	} else {
		if (document.body.parentNode.clientHeight > document.body.parentNode.scrollHeight) {
			blanket_height = document.body.parentNode.clientHeight;
		} else {
			blanket_height = document.body.parentNode.scrollHeight;
		}
	}
	var blanket = document.getElementById('blanket');
	blanket.style.height = blanket_height + 'px';
	var popUpDiv = document.getElementById(popUpDivVar);
	popUpDiv_height=blanket_height/2-200;//200 is half popup's height
	//popUpDiv.style.top = popUpDiv_height + 'px';
}
function FuturesForPWC_oct2011_window_pos(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportwidth = window.innerHeight;
	} else {
		viewportwidth = document.documentElement.clientHeight;
	}
	if ((viewportwidth > document.body.parentNode.scrollWidth) && (viewportwidth > document.body.parentNode.clientWidth)) {
		window_width = viewportwidth;
	} else {
		if (document.body.parentNode.clientWidth > document.body.parentNode.scrollWidth) {
			window_width = document.body.parentNode.clientWidth;
		} else {
			window_width = document.body.parentNode.scrollWidth;
		}
	}
	var popUpDiv = document.getElementById(popUpDivVar);
	window_width=window_width/2-150;//150 is half popup's width
	popUpDiv.style.left = window_width + 'px';
}
function FuturesForPWC_oct2011_popup(windowname) {
    FuturesForPWC_oct2011_blanket_size(windowname);
    FuturesForPWC_oct2011_window_pos(windowname);
    FuturesForPWC_oct2011_toggle('blanket');
    FuturesForPWC_oct2011_toggle(windowname);
}
function FuturesForPWC_oct2011_openPopup() {
    FuturesForPWC_oct2011_popup('popUpDiv');

    //création du cookie pour ne plus afficher le popup si l'utilisateur revient plus tard
    FuturesForPWC_oct2011_setCookie("PWC_popup_2", 1, 365);
}
function FuturesForPWC_oct2011_timerPopup() {
    //on teste que l'utilisateur n'a pas déjà reçu le popup (en allant voir s'il y a un cookie)
    if (FuturesForPWC_oct2011_getCookie("PWC_popup_2") != "1") {
        //open popup after 10sec (20.000ms)
        setTimeout("FuturesForPWC_oct2011_openPopup()", 20000);
    }
}
function FuturesForPWC_oct2011_setCookie(nom, valeur, jours) {
    var expDate = new Date();
    expDate.setTime(expDate.getTime() + (jours * 24 * 3600 * 1000));
    document.cookie = nom + "=" + escape(valeur) + ";expires=" + expDate.toGMTString();
}
function FuturesForPWC_oct2011_getCookie(nom) {
    var fin;
    var deb = document.cookie.indexOf(nom + "=");

    if (deb >= 0) {
        deb += nom.length + 1;
        fin = document.cookie.indexOf(";", deb);

        if (fin < 0) {
            fin = document.cookie.length;
        }

        return unescape(document.cookie.substring(deb, fin));
    }

    return "";
}
function FuturesForPWC_oct2011_closePopup() {
    FuturesForPWC_oct2011_popup('popUpDiv');
}