function PopUpExterne_OpenPopUp(PopUpQuery, Url, PopUpName, w, h, scrollbars)
{        
    var PosX = ( screen.availWidth - w ) / 2;
    var PosY = ( screen.availHeight - h ) / 2;
    var option = 'width='+w+',height='+h+',top='+PosY+',left='+PosX+',toolbar=no,status=no,directories=no,menubar=no,location=no,scrollbars='+scrollbars+ ',resizable=yes';
    
    if (Url.charAt('?') == -1)
        Url = Url + "&" + PopUpQuery;

    else
        Url = Url + "?" + PopUpQuery;
 
    window.open(Url , PopUpName.replace(".", ""), option);
}