// now for the AJAX stuff .... first we need an XMLHTTP object

var http = false;
   if (window.XMLHttpRequest) { // Mozilla, Safari,...
       http = new XMLHttpRequest();
       if (http.overrideMimeType) {
           http.overrideMimeType('text/xml');
       }
    } else if (window.ActiveXObject) { // IE
			try {
					http = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
							try {
									http = new ActiveXObject("Microsoft.XMLHTTP");
							} catch (e) {
							}
			}
	}

if (!http) {
			alert('Cannot create an XMLHTTP instance');
}


function initContextMenu() {
// check whether user is logged into CMS and if so, create a DIV to display
// the link to the CMS mini-menu if the DIV doesn't already exist
		if (loggedIntoCMS()) {
		if (!document.getElementById('contextHeaderDiv')) {
 // for menu toggling, put <a href='#' onclick='javascript:showOrHideMenu();'></a>
 // around the <span>..</span> below and change the showOrHideMenu()
				document.body.insertAdjacentHTML("afterBegin", 
					"<div id='contextDiv'> \
						<div id='contextHeaderDiv'><span id='menuHeader'>CMS MENU</span><br>(Only shows for CMS users)</div> \
						<div id='contextMenuDiv' style='display:none'></div> \
							<div id='helpText' style='display:none'><br>This menu allows you to open any viewed static page, product & product category, article or article category in the CMS for your country. This menu is a beta-version, please report any issues.<br> <a href='javascript:toggleHelp()'><br><strong>Close Help</strong></a></div> \
							<div id='helpLink' style='display:block' align='right'> <a href='javascript:toggleHelp()'><br><strong>Help</strong></a></div> \
					</div>");
				showOrHideMenu();
		}
	}
}


function toggleHelp() {
	if (helpText.style.display=="none") {
		helpText.style.display="block";
		helpText.focus();
		helpLink.style.display="none";
	} else {
		helpText.style.display="none";
		helpLink.style.display="block";
	}
}


function showOrHideMenu() {
	var divToShow, getMenuContents;
	
	divToShow = document.getElementById('contextMenuDiv');

// changed to remove possibility of menu toggling
// to put it back, uncommment below and add onclick handler back in initContextMenu function
//	if (divToShow.style.display=="none") {
		getMenuContents = menuHTML();
		divToShow.style.display="block";
		divToShow.focus();
//	} else {
//		divToShow.style.display="none";
//	}
}


function menuHTML() {
// send request to Perl script, forwarding URL parameters, and await returned result
	try {
		http.open('GET','?ajaxModule=1&mode=getContextMenu&'+window.top.location.search.substring(1),true);
		http.onreadystatechange = showContextMenu;
		http.send(null);
	} catch(e)	{
		alert('failed to do http open');
	}
}


function showContextMenu() {
	try {
		if(http.readyState == 4){
			if (http.status == 200){
				var response = http.responseText;
				document.getElementById('contextMenuDiv').innerHTML = response;
			} else {
			    alert("There was a problem with the AJAX request, http status = "+http.status);
			}
		}
	} catch(e)	{
		alert('showContextMenu never ready ');
	}
}


function showInCMS(URL){
// called when context menu item is clicked, to open URL in content2 frame of CMS window
	winHandle = window.open('','CMSWINDOW');
	if(winHandle.content2) {
	// CMS window is there, but ensure user is still logged in!!!
		if (loggedIntoCMS()) {
			winHandle.content2.location.href = URL;
		} else {
			alert("You are not logged into the CMS!!");
		}
	} else {
		winHandle.close();
		alert("CMS window is not open!!");
	}
}


function loggedIntoCMS() {
	if (document.cookie.indexOf("CookieUserToken") != -1) {
		if (readCookie("CookieUserToken")) {
			return 1;
		}
	}
	return null;	
}


function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

	
function changeCity() {
// keep this here for now as an example of how to encode the URL parameters properly

	try {
		http.open('GET', '?targetModule=users&mode=getDealers&dealerCity='+encodeURIComponent(document.getElementById('dealerCity').value),true);
		http.onreadystatechange = showDealers;
		http.send(null);
	} catch(e)	{
	}
}