//
// Image switch for menubar links
//
function switchImg(imageId, status) {
	if (status == 'on') {
		document.getElementById(imageId).src = 'http://www.bolochant.com/images/'+imageId+'_over.png';
	} else {
		document.getElementById(imageId).src = 'http://www.bolochant.com/images/'+imageId+'.png';
	}
}

//
// Suggest Browser
//
function suggestBrowser() {
	if (document.getElementById('suggestBroser') != false) {
		document.getElementById('suggestBrowser').style.display='block';
	}
}

//
// Menu switch
//
function SwitchMenu(id) {
	if (document.getElementById(id).style.display == 'none'|| document.getElementById(id).style.display == '') {
		document.getElementById(id).style.display = 'block';
	} else {
		document.getElementById(id).style.display = 'none';
	}
}

//
//Mailing List
//
var ajax = createAjaxObject();

function createAjaxObject () {
	var request_object;

	if(window.XMLHttpRequest) {
		request_object = new XMLHttpRequest();
	} else if(window.ActiveXObject) {
		request_object = new ActiveXObject('Microsoft.XMLHTTP');
	} else {
		document.write = 'XMLHttpRequest is not enabled';
		request_object = false;
	}
	return request_object;
}

function storeAddress(address) {
	// Update user interface
	document.getElementById('response').innerHTML = '<span class="mailSignup">Adding email address...</span>';
	// Prepare query string and send AJAX request
	ajax.open('get', 'http://www.bolochant.com/mail_list/ajaxServer.php?address='+address);
	ajax.onreadystatechange = updateResponse;
	ajax.send(null);
	document.getElementById('address').value='';

}

function updateResponse() {
	if ((ajax.readyState == 4) && (ajax.status == 200)) {
		document.getElementById('response').innerHTML = ajax.responseText;
	}
	else {
		document.getElementById('response').innerHTML = '<span class="mailSignup">Contacting server...</span>';
	}
}

// Unsubscribe
function removeAddress(address) {
	document.getElementById('response').innerHTML = '<span class="mailSignup">Removing email address...</span>';
		// Prepare query string and send AJAX request
	ajax.open('get', 'http://www.bolochant.com/mail_list/ajaxRemoveServer.php?address='+address);
	ajax.onreadystatechange = updateResponse;
	ajax.send(null);
	document.getElementById('address').value='';

}