function help_showPageHelp(tag) {
        //if(help_showPageHelp.initialized == false) {
            // build the page help popup
            var oPopup     = makePopupFrame("helpBox", Localization.getTranslation("helpBox.form.title"), null, null, 600, 999);
            var oContainer = document.getElementById("contenu");
            if(oContainer) oContainer.appendChild(oPopup);
            
            var oPopupContent = document.getElementById("helpBox_content");
            if(oPopupContent) {
                var oPopupCloseCommand = document.getElementById("helpBox_closeButton");
                if(oPopupCloseCommand) {
                    oPopupCloseCommand.value = Localization.getTranslation("helpBox.command.close");
                }
                
                var sURL = "/common/ajax-helpBox.php";
                var oRequest = new Ajax.Request(sURL, { method : 'post',
                    parameters : { tag: tag },
                    onComplete : function(p_oRequest) {
                        oPopupContent.innerHTML = p_oRequest.responseText;
                        initPopup("helpBox_div", "helpBox_title");
                        
                        showPopup("helpBox_div");
                    }, 
                    onException : function(p_oRequest, p_oException) {
                        throw p_oException;
                    },
                    onLoaded : function() {}
                });
                
                help_showPageHelp.initialized = true;
            }
        /*}
        else {
            if(document.getElementById("helpBox_div")) {
                showPopup("helpBox_div");
            }
        }*/
    }
    help_showPageHelp.initialized = false;
    
    
    function initHelpBox() {
        var oContent = $("helpBox_content");
        
        var title    = "helpBox_title";
        var popup    = "helpBox_div";
        
        // make sure the given popup exists
        if(popup && oContent) {
            // load the help box form using AJAX
            sURL = $("helpFile").value;
            var oRequest = new Ajax.Request(sURL, {
                onComplete : function(p_oRequest)
                {
                    oContent.innerHTML = p_oRequest.responseText;
                    showPopup(popup);
                    
                    initPopup(popup, title);
                }, 
                onException : function(p_oRequest, p_oException)
                {
                    throw p_oException;
                },
                onLoaded : function()
                {
                }
            });
        }
    }
    
    function showHelpBox() {
        if(showHelpBox.first) {
            initHelpBox();
            showHelpBox.first = false;
        }
        else {
            showPopup("helpBox_div");
        }
    }
    showHelpBox.first = true;