var ajdisabled = 0;
function getHTTPObject()
{
   var http = false;
   if (window.XMLHttpRequest) 
   { // Mozilla, Safari,...
       http = new XMLHttpRequest();
	   if (http.overrideMimeType) 
	   {
           http.overrideMimeType('text/html');
       }
   } 
   else if (window.ActiveXObject) 
   { // IE
       try {
           http = new ActiveXObject("Msxml2.XMLHTTP");
       } catch (e) {
           try {
               http = new ActiveXObject("Microsoft.XMLHTTP");
           } catch (e) {}
       }
   } 
   else
   {
   		ajdisabled = 1;
		/* disable this because this user has an ancient browsers */
		/* alert("failed to creat the http object");*/
   }
	return http; 
} 
var base_url = "http://www.mackinawcity.com/";
function update( id )
{
	var http = getHTTPObject(); // We create the HTTP Object
	var url = "ajax-photo-get.js";
	http.open("GET",base_url + id + url,true);
	http.onreadystatechange = function()
	{
		if(http.readyState == 4)
		{
			var results = http.responseText.split("|");
			var download = document.getElementById('downloadPhoto');
			document.getElementById('photo-description').innerHTML = results[0];
			document.getElementById('photo-title').innerHTML = results[1];
			document.getElementById('main-photo').src = results[2];
			document.getElementById('downloadPhoto').style.display = '';
			document.getElementById('sendPhoto').style.display = '';
			download.href = 'http://www.mackinawcity.com/images/photo-org/' + results[3];
			download.onclick = function(e)
			{
				var external = window.open( download.href);
				return( external.closed );
			}
		}
	}
	http.send(null);
}
function reset_gallery( photo_id )
{
	var http = getHTTPObject(); // We create the HTTP Object
	var url = "ajax-photo-category.js";
	http.open("GET",base_url + photo_id + url,true);
	http.onreadystatechange = function()
	{
		if(http.readyState == 4)
		{
			var results = http.responseText.split("|");
			document.getElementById('photo-description').innerHTML = '<div><p>How to use the gallery blah blah blah!</p></div>';
			document.getElementById('photo-title').innerHTML = 'Photo Gallery';
			document.getElementById('main-photo').src = base_url + 'assets/photo-default.jpg';
			document.getElementById('downloadPhoto').style.display = 'none';
			document.getElementById('sendPhoto').style.display = 'none';
			document.getElementById('photo-gallery-thumbnails').innerHTML = results[3];
		}
	}
	http.send(null);
}
function download_photo()
{
	var http = getHTTPObject(); // We create the HTTP Object
	var imageString = document.getElementById('main-photo').src;
	var imageName = imageString.replace('http://www.mackinawcity.com/images/photo-large/','');
	//alert(imageName);
	document.location.href='http://www.mackinawcity.com/images/photo-org/' + imageName;
}
function send_photo()
{
	var http = getHTTPObject(); // We create the HTTP Object
	var url = "ajax-postcard.js";
	var imageString = document.getElementById('main-photo').src;
	http.open("GET",base_url + url + '?image=' + imageString,true);
	http.onreadystatechange = function()
	{
		if(http.readyState == 4)
		{
			var results = http.responseText;
			document.getElementById('photo-gallery').innerHTML = results;
		}
	}
	http.send(null);
}
var chkDot = true;
var usEmail = true;
function validEmail(eAddr) 
{ 
  if (/^[\w\.\-]+@([\w\-]+\.)+[a-zA-Z]+$/.test(eAddr))
  {
	  return( true )
  }
  return false;                  
}
function goBack()
{
	var pForm = document.getElementById('fPreview');
	var http = getHTTPObject(); // We create the HTTP Object
	var url = "ajax-postcard.js";
	var url_query = '?image=' + pForm.image.value;
	url_query += '&s_email=' + pForm.s_email.value;
	url_query += '&r_email=' + pForm.r_email.value;
	url_query += '&s_name=' + pForm.s_name.value;
	url_query += '&r_name=' + pForm.r_name.value;
	url_query += '&subject=' + pForm.subject.value;
	url_query += '&message=' + pForm.message.value;
	url_query += '&rmethod=' + pForm.rmethod.value;
	http.open("GET",base_url + url + url_query,true);
	http.onreadystatechange = function()
	{
		if(http.readyState == 4)
		{
			var results = http.responseText;
			document.getElementById('photo-gallery').innerHTML = results;
		}
	}
	http.send(null);
}
function sendPostcard()
{
return
	var pForm = document.getElementById('fSend');
	var http = getHTTPObject(); // We create the HTTP Object
	var url = "ajax-send-postcard.js";
	var url_query = '?image=' + pForm.image.value;
	url_query += '&s_email=' + pForm.s_email.value;
	url_query += '&r_email=' + pForm.r_email.value;
	url_query += '&s_name=' + pForm.s_name.value;
	url_query += '&r_name=' + pForm.r_name.value;
	url_query += '&subject=' + pForm.subject.value;
	url_query += '&message=' + pForm.message.value;
	url_query += '&rmethod=' + pForm.rmethod.value;
	http.open("GET",base_url + url + url_query,true);
	http.onreadystatechange = function()
	{
		if(http.readyState == 4)
		{
			var results = http.responseText;
			document.getElementById('photo-gallery').innerHTML = results;
		}
	}
	http.send(null);
}
function preview()
{
	var pForm = document.getElementById('postcard');
	var mess = '';
	// check to see if the email addresses are filled in and correct format
	if( pForm.s_email.value == '' )
	{
		mess += 'Senders Email address is empty!\n';
	}
	else if( !validEmail(pForm.s_email.value) )
	{
		mess += 'Senders Email address is not in email format!\n';
	}
	if( pForm.r_email.value == '' )
	{
		mess += 'Recipient Email address is empty!\n';
	}
	else if( !validEmail(pForm.r_email.value) )
	{
		mess += 'Recipient Email address is not in email format!\n';
	}
	if( mess )
	{
		alert('Form not Submitted for following reasons:\n' + mess);
		return( false );
	}
	var http = getHTTPObject(); // We create the HTTP Object
	var url = "ajax-preview.js";
	var url_query = '?image=' + pForm.image.value;
	url_query += '&s_email=' + pForm.s_email.value;
	url_query += '&r_email=' + pForm.r_email.value;
	url_query += '&s_name=' + pForm.s_name.value;
	url_query += '&r_name=' + pForm.r_name.value;
	url_query += '&subject=' + pForm.subject.value;
	url_query += '&message=' + pForm.message.value;
	if( pForm.rmethod[0].checked == true )
	{
		url_query += '&rmethod=' + pForm.rmethod[0].value;
	}
	else if ( pForm.rmethod[1].checked == true )
	{
		url_query += '&rmethod=' + pForm.rmethod[1].value;
	}
	http.open("GET",base_url + url + url_query,true);
	http.onreadystatechange = function()
	{
		if(http.readyState == 4)
		{
			var results = http.responseText;
			document.getElementById('photo-gallery').innerHTML = results;
		}
	}
	http.send(null);
}