var popped = false;

function hInit()
{
   var content = document.getElementById('content');
   var sidebar = document.getElementById('sidebar');

   var x = findPosX(content);
   var y = findPosY(content) + 2;

   x = x + content.offsetWidth + 2;

   if ( content.offsetHeight < 146 )
	  var height = 144;
   else
	  var height = content.offsetHeight - 2;

   setOpac(sidebar, 50);
   sidebar.style.backgroundColor = "#efe28a";
   sidebar.style.position = 'absolute';
   sidebar.style.top = y;
   sidebar.style.left = x;
   sidebar.style.height = height;
   sidebar.style.width = '12';
   setSidebarContent('');
}

function findPosX(obj)
{
   var curleft = 0;
   if(obj.offsetParent)
	  while(1) {
		 curleft += obj.offsetLeft;
		 if(!obj.offsetParent)
			break;
		 obj = obj.offsetParent;
	  }
   else if(obj.x)
	  curleft += obj.x;
   return curleft;
}

function findPosY(obj)
{
   var curtop = 0;
   if(obj.offsetParent)
	  while(1) {
		 curtop += obj.offsetTop;
		 if(!obj.offsetParent)
			break;
		 obj = obj.offsetParent;
	  }
   else if(obj.y)
	  curtop += obj.y;
   return curtop;
}

function setOpac(obj, opac)
{
   obj.style.opacity = opac / 100;
   obj.style.MozOpacity = opac / 100;
   obj.style.KhtmlOpacity = opac / 100;
   obj.style.filter = "alpha(opacity=" + opac + ")";
}

function hSidebarHover(which)
{
   if ( popped )
	  return(true);

   if ( which == 'out' )
	  setOpac(document.getElementById('sidebar'), 50);
   else
	  setOpac(document.getElementById('sidebar'), 100);
}

function hSidebarPop()
{
   var content = document.getElementById('content');
   var sidebar = document.getElementById('sidebar');

   if ( popped )
	  return(true);

   var x = findPosX(content);

   x = x + content.offsetWidth;

   sidebar.style.width = 300;
   setSidebarContent('Loading . . .');

   rcNav("http://honotogroabemo.org/index/recentcomments");

   popped = true;

   return ( true );
}

function hSidebarCollapse()
{
   var content = document.getElementById('content');
   var sidebar = document.getElementById('sidebar');
   var x = findPosX(content);

   x = x + content.offsetWidth;

   popped = false;

   sidebar.style.width = 12;
   setSidebarContent('');
   hSidebarHover('out');
}

function hAjaxStateChange()
{
   if ( request ) {
	  if ( request.readyState == 4 && request.status == 200 ) {
		 setSidebarContent(request.responseText);
	  }
   }
}

function rcNav(url)
{
   request = (typeof(XMLHttpRequest) != "undefined") ? new XMLHttpRequest() : new ActiveXObject("MSXML2.XMLHTTP.3.0");
   request.onreadystatechange = hAjaxStateChange;
   request.open("GET", url, true);
   request.send(null);
}

function setSidebarContent(content)
{
   if ( !popped ) {
	  document.getElementById('sidebar').innerHTML = '<div class="sidebarspreader"  onMouseUp="return(hSidebarPop());"></div>';
	  return;
   }

   document.getElementById('sidebar').innerHTML = '<div class="sidebarcollapse" onMouseUp="hSidebarCollapse();"></div><div class="sidebarcontent"><div style="padding: 6px;">' + content + '</div></div>';
}

function slideShowStart()
{
   timeoutID = setTimeout(slideShowAdvance, 2500);
}

function slideShowAdvance()
{
   timeoutID = 0;
   if ( !slideShowPaused ) {
	  if ( picCurrent + 1 >= picsArray.length ) {
		 slideShowPaused = 1;
	  } else {
		 var img = document.getElementById("slideshowimg");
		 if ( img ) {
			img.onload = slideShowImgOnload;
			img.src = "/thumbs/" + picsArray[++picCurrent] +
			   "/thumb.jpg";
		 }
	  }
   }
}

function slideShowImgOnload()
{
   if ( !slideShowPaused ) {
	  timeoutID = setTimeout(slideShowAdvance, 2500);
   }
}

function slideShowPause()
{
   var button = document.getElementById("slideshowpausebutton");
   if ( !slideShowPaused ) {
	  slideShowPaused = true;
	  slideShowShowPaused(1);
   } else {
	  slideShowPaused = false;
	  if ( picCurrent + 1 >= picsArray.length )
		 picCurrent = -1;
	  slideShowAdvance();
	  slideShowShowPaused(0);
   }
}

function slideShowPrev()
{
   if ( timeoutID ) {
	  clearTimeout(timeoutID);
	  timeoutID = 0;
   }

   if ( --picCurrent < 0 )
	  picCurrent = 0;

   if ( slideShowPaused ) {
	  document.getElementById("slideshowimg").src =
		 "/thumbs/" + picsArray[picCurrent] + "/thumb.jpg";
   } else {
	  picCurrent--;
	  slideShowAdvance();
   }
}

function slideShowNext()
{
   if ( timeoutID ) {
	  clearTimeout(timeoutID);
	  timeoutID = 0;
   }

   if ( ++picCurrent >= picsArray.length )
	  picCurrent = picsArray.length - 1;

   if ( slideShowPaused ) {
	  document.getElementById("slideshowimg").src =
		 "/thumbs/" + picsArray[picCurrent] + "/thumb.jpg";
   } else {
	  picCurrent--;
	  slideShowAdvance();
   }
}

function slideShowShowPaused(show)
{
   document.getElementById("slideshowpaused").style.zIndex = (show?1:-1);
}

function expandAuthorText(id)
{
   var text = document.getElementById(id);
   if ( text ) {
	  text.style.visibility = "visible";
	  text.style.display = "block";
   }
}

function collapseAuthorText(id)
{
   var text = document.getElementById(id);
   if ( text ) {
	  text.style.visibility = "hidden";
	  text.style.display = "none";
   }
}

function activateSmackUpdate()
{
   var textarea = document.getElementById("smacktalk");
   var update = document.getElementById("smacktalkupdate");
   if ( update && textarea && (textarea.value != textarea.defaultValue) ) {
	  update.disabled = false;
	  update.style.color = "#000000";
   } else {
	  if ( update && textarea ) {
		 update.disabled = true;
		 update.style.color = "#d0d0d0";
	  }
   }
}

function smackUpdate()
{
   var textarea = document.getElementById("smacktalk");
   var sessionID = getCookie('session_id');
   var url = 'http://honotogroabemo.org/index/update_smack';

   var request = (typeof(XMLHttpRequest) != "undefined") ? new XMLHttpRequest() : new ActiveXObject("MSXML2.XMLHTTP.3.0");
   if ( request && textarea ) {
	  var params = 'post[smacktalk]=' + encodeURI(textarea.value) +
		 '&post[session_id]=' + encodeURI(sessionID);
	  request.open("POST", url, true);
	  request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	  request.setRequestHeader("Content-length", params.length);
	  request.setRequestHeader("Connection", "close");
	  request.send(params);
   }

   if ( textarea ) {
	  textarea.defaultValue = textarea.value;
	  activateSmackUpdate();
   }
}

function getCookie(cookie)
{
   var cookVal = '';
   var cookArray = document.cookie.split(';');
   for ( var i = 0; i < cookArray.length; i++ ) {
	  var cookCheck = cookArray[i];
	  while ( cookCheck.charAt(0) == '' )
		 cookCheck = cookCheck.substring(1, cookCheck.length);
	  if ( cookCheck.indexOf(cookie+'=') == 0 ) {
		 cookVal = cookCheck.substring(cookie.length + 1, cookCheck.length);
	  }
   }
   return ( cookVal );
}