var rb_widgetBase = 'http://www.ratingbug.com/rating/widget/ratingwidget1';

var alphaPNGHack = 0;

if (navigator.appVersion.indexOf("MSIE")!=-1){
 var temp = navigator.appVersion.split("MSIE")
 var version=parseFloat(temp[1]);
 if (version < 7) {
  alphaPNGHack = 1;
 }
}

var rb_default_icon_set = 'http://www.ratingbug.com/iconset/24x24/plain';
var rb_widgets = new Array();

var rb_load_count = 0;
var rb_uiBox = document.createElement('DIV');

var cssFile = document.createElement('link');
cssFile.rel = 'stylesheet';
cssFile.href = rb_widgetBase + '/widget.css'
cssFile.type = 'text/css';

var headTags = document.getElementsByTagName("head");
if (headTags.length == 0) {
 document.documentElement.appendChild(document.createElement('head'));
}
document.getElementsByTagName("head")[0].appendChild(cssFile);

function rb_findWidgets () {
 var w = document.getElementsByTagName('DIV');
 for (var i = 0; i < w.length; i++) {
  var curWidget = w[i]
  if (! curWidget.is_parsed) {
   curWidget.is_parsed = 1;
   var _name = curWidget.getAttribute('name');
   var _contentID = curWidget.getAttribute('contentID');
   var _type = curWidget.getAttribute('widgetType');
   var _iconSet = curWidget.getAttribute('iconSet');
   var _commentLink = curWidget.getAttribute('commentLink');
   var _moreLink = curWidget.getAttribute('moreLink');

   if (_name == 'ratingWidget') {
    var _inner = curWidget.innerHTML;
    if (_contentID != null) {
     curWidget.content_id = _contentID;
    } else if (_inner) {
     curWidget.content_id = _inner;
    } else {
     curWidget.content_id = document.location.href;
    }
    curWidget.iconSet = _iconSet ? _iconSet : rb_default_icon_set;
    curWidget.commentLink = _commentLink ? _commentLink : 'off';
    curWidget.moreLink = _moreLink ? _moreLink : 0;
    
    if (_type != null) {
     curWidget.widget_type = _type;
    }
    if (curWidget.widget_type == null) {
     curWidget.widget_type = 'rating';
    }
    rb_widgets.push(curWidget);
   }
  }
 }
 rb_loadWidgets();
 if (rb_load_count < 4) {
  rb_load_count += 1;
  setTimeout("rb_findWidgets()",1000);
 } else if (rb_load_count < 8) {
  rb_load_count += 1;
  setTimeout("rb_findWidgets()",10000);
 } 
}
setTimeout("rb_findWidgets()",100);

function rb_loadWidgets() {
 var content_ids = new Array();
 for (var i = 0; i < rb_widgets.length; i++) {
  var curWidget = rb_widgets[i];
  if (! curWidget.data_loaded) {
   curWidget.data_loaded = 1;
   content_ids.push(curWidget.content_id);
  }
 }

 if (content_ids.length > 0) {
  rb_dispatchJSON('getData',{ content_ids: content_ids });
 }
}

function rb_setUser( data ) {
 rb_user = data;
}

function rb_setData( data ) {
 for (var i = 0 ; i < rb_widgets.length; i++) {
  var curWidget = rb_widgets[i];
  if (curWidget.content_id == data.content_id) {
   curWidget.data = data;

   var allow_update = curWidget.allowUpdate ? curWidget.allowUpdate : 1;

   var HTML = '<div class="ratingBug"><table border="0" cellspacing="0" cellpadding="0"><tr><td class="starBox" style="cursor:pointer; cursor: hand">';
   for (var i = 1; i < 6; i++) {
    if (alphaPNGHack) {
     HTML += '<span onclick="rb_star_click(this,' + i + ')" onmouseover="rb_star_over(this,' + i + ')" onmouseout="rb_star_out(this)" style="display:inline-block;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + curWidget.iconSet + '/star_grey.png\', sizingMethod=\'crop\'"><img style="display:block; visibility: hidden;" src="' + curWidget.iconSet + '/star_grey.png" /></span>';
    } else {
     HTML += '<img onclick="rb_star_click(this,' + i + ')" onmouseover="rb_star_over(this,' + i + ')" onmouseout="rb_star_out(this)" src="' + curWidget.iconSet + '/star_grey.png" />';
    }
   }
   HTML += '</td>';

   if (curWidget.commentLink == 'right') {
    if (data.totalComments > 0) {
     HTML += '<td valign="bottom"><div class="rb_widgetLink commentReadLinkBox"><a href="#" onclick="rb_commentReadClick(this); return false;">' + data.totalComments + ' Comments</a></div></td>';
    }
    HTML += '<td valign="bottom"><div class="rb_widgetLink commentPostLinkBox"><a href="#" onclick="rb_commentPostClick(this); return false;">Add Comment</a></div></td>';
   }

   if (curWidget.moreLink == '1') {
    HTML += '<td valign="bottom"><div class="rb_widgetLink moreLinkBox"><a href="#" onclick="rb_moreLinkClick(this); return false;" class="More">More</a></div></td>';
   }
   HTML += '</tr></table>';

   if (curWidget.commentLink == 'bottom') {
    HTML += '<table border="0" cellspacing="0" cellpadding="0"><tr>';
    if (data.totalComments > 0) {
     HTML += '<td class="rb_widgetLink commentReadLinkBox"><a href="#" onclick="rb_commentReadClick(this); return false;">' + data.totalComments + ' Comments</a></td>';
    }
    HTML += '<td class="rb_widgetLink commentPostLinkBox"><a href="#" onclick="rb_commentPostClick(this); return false;">Add Comment</a></td>';
    HTML += '</tr></table>';
   }

   HTML += '<div name="boxPositioner"></div></div>';
   curWidget.innerHTML = HTML;

   curWidget.starBox = curWidget.getElementsByTagName('td')[0];
   rb_draw_stars(curWidget, -1);
   curWidget.style.display = '';
  }
 }
}

function rb_findContainer (el) {
 var widgetBox = el;
 while ((widgetBox = widgetBox.parentNode) != null && !widgetBox.content_id) {}
 return widgetBox;
}

function rb_star_click (el,newRating) {
 var container = rb_findContainer(el);
 rb_dispatchJSON('setRating',{ content_id: container.content_id, rating: newRating });
 container.data.userRating = newRating;
 rb_draw_stars(container, -1);
 return false;
}

function rb_star_over (el,num) {
 var container = rb_findContainer(el);
 rb_draw_stars(container, num);
}

function rb_star_out (el) {
 var container = rb_findContainer(el);
 rb_draw_stars(container, -1);
}

function rb_draw_stars(curWidget, userRating) {
 if (userRating == -1) {
  userRating = curWidget.data.userRating;
 }
 if (alphaPNGHack) {
  return rb_draw_stars_IE(curWidget, userRating);
 }

 var average_rating = curWidget.data.averageRating;
 var stars = curWidget.starBox.getElementsByTagName('IMG');
 if (userRating > -1) {
  for (var i = 0; i < stars.length; i++) {
   if (i < userRating) {
    stars[i].src=curWidget.iconSet + "/star_yellow.png";
   } else {
    stars[i].src=curWidget.iconSet + "/star_grey.png";
   }
  }
 } else {
  for (var i = 0; i < stars.length; i++) {
   if (i < average_rating) {
    stars[i].src=curWidget.iconSet + "/star_red.png";
   } else {
    stars[i].src=curWidget.iconSet + "/star_grey.png";
   }
  }
 }
}

function rb_draw_stars_IE(curWidget, userRating) {
 var average_rating = curWidget.data.average_rating;
 var stars = curWidget.starBox.getElementsByTagName('SPAN');
 if (userRating > -1) {
  for (var i = 0; i < stars.length; i++) {
   if (i < userRating) {
    stars[i].style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + curWidget.iconSet + "/star_yellow.png', sizingMethod='crop')";
   } else {
    stars[i].style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + curWidget.iconSet + "/star_grey.png', sizingMethod='crop')";
   }
  }
 } else {
  for (var i = 0; i < stars.length; i++) {
   if (i < average_rating) {
    stars[i].style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + curWidget.iconSet + "/star_red.png', sizingMethod='crop')";
   } else {
    stars[i].style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + curWidget.iconSet + "/star_grey.png', sizingMethod='crop')";
   }
  }
 }
}

function rb_moreLinkClick(link) {
 return rb_loadUIBox(link,'loadMoreBox');
}

function rb_commentReadClick(link) {
 return rb_loadUIBox(link,'loadCommentReadBox');
}

function rb_commentPostClick(link) {
 return rb_loadUIBox(link,'loadCommentPostBox');
}

function rb_uiBoxCallBack(HTML,JS) {
 rb_uiBox.innerHTML = HTML;
}

function rb_loadUIBox(link, component) {
 var widgetBox = rb_findContainer(link);

 rb_uiBox.appendChild(rb_createLoadingBox());
 
 if (rb_uiBox.parentNode) {
  rb_uiBox.parentNode.removeChild(rb_uiBox);
 }
 widgetBox.lastChild.appendChild(rb_uiBox);

 rb_dispatchJSON(component,{ content_id: widgetBox.content_id, Output: 'jscallback', Callback: 'rb_uiBoxCallBack' });
 return false;
}

function rb_createLoadingBox () {
 var el = document.createElement('DIV');
 //One day we can add a fancy loading box here
 el.innerHTML = '';
 return el;
}

function rb_dispatchJSONForm (component,container) {
 var params = new Array();
 var inputs = container.getElementsByTagName('INPUT');
 for (var i = 0; i < inputs.length; i++) {
  params[inputs[i].name] = inputs[i].value;
 }
 var texts = container.getElementsByTagName('TEXTAREA');
 for (var i = 0; i < texts.length; i++) {
  params[texts[i].name] = texts[i].value;
 }
 rb_dispatchJSON(component,params);
}
function rb_dispatchJSON (component,params) {
 var url = rb_widgetBase + '/' + component + '.html?';
 params['user_id'] = rb_get_userID();
 for (var key in params) {
  url += escape(key);
  url += '=';
  if (params[key] instanceof Array) {
   var vals = params[key];
   for (var j in vals) {
    url += escape(vals[j]);
    url += ' ';
   }
  } else {
   url += escape(params[key]);
  }
  url += '&';
 }
 url += 'random=';
 url += Math.random();
 var headTag = document.getElementsByTagName("head").item(0);
 var scriptTag = document.createElement("script");
 scriptTag.src = url;
 headTag.appendChild( scriptTag );
 return false;
}



function rb_get_userID () {
 var uid = rb_getUserCookie();
 if (uid == null) {
  uid = Math.random() * Math.random();
  rb_setUserCookie(uid);
 }
 return uid; 
}
function rb_getUserCookie() {
  var name = 'rb_user';
  var start = document.cookie.indexOf( name + "=" );
  var len = start + name.length + 1;
  if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
    return null;
  }
  if ( start == -1 ) return null;
  var end = document.cookie.indexOf( ";", len );
  if ( end == -1 ) end = document.cookie.length;
  return unescape( document.cookie.substring( len, end ) );
}

function rb_setUserCookie( uid ) {
  document.cookie = "rb_user="+uid+";expires=Fri, 01-Apr-2016 00:00:01 GMT;path=/";
}