var errors = new Array();
var suggestions = new Array();
var fieldName = "";

function spellcheck(fn){
	document.getElementsByTagName("body")[0].style.cursor="wait";
	fieldName = fn;
	var content = "";
	if (document.all) { //IE
		content = frames[fn].document.body.innerHTML;
	} else { //Firefox
		content = document.getElementById(fn).contentWindow.document.body.innerHTML;
	}	
	ajaxCaller.getXML('/gaming/common/SpellCheck.do?content='+stripHTML(content),onSpellCheckResponse);
}

function onSpellCheckResponse(xml, headers, callingContext) {
  var root_node = xml.getElementsByTagName('spellcheck').item(0);
  var items = root_node.getElementsByTagName('error');
  var c=0;
  errors = new Array();
  suggestions = new Array();
  for (c=0; c<items.length; c++){
  	var error = items[c];
  	var word = error.getElementsByTagName('word').item(0).firstChild.nodeValue;
  	errors[c] = word;
  	var suggestionList = error.getElementsByTagName('suggestion');
  	var i=0;
  	var tempList = new Array();
  	for (i=0; i<suggestionList.length; i++){
  		var suggestion = suggestionList[i].firstChild.nodeValue
  		tempList[i] = suggestion;
  	}
  	suggestions[c] = tempList;
  }
  document.getElementsByTagName("body")[0].style.cursor="auto";
  if (c>0){
  	showError(0);
  }else{
    alert('No spelling errors found');
  }
}

function showError(index){
	if (index < errors.length){
		var word = errors[index];
		var message = "The word '<b>"+word+"</b>' was not found.";
		message+="<br>Possible spellings:<br><ul>";
		var i=0;
		for (i=0; i<suggestions[index].length; i++){
			var suggestion = suggestions[index][i];
			message+="<li><a href='javascript:replace(\""+word+"\",\""+suggestion+"\");showError("+(index+1)+");'>"+suggestion+"</a></li>";
		}
		message+="<br><li><a href='javascript:showError("+(index+1)+");'>Ignore</a></li>";
		message+="</ul>";
		document.getElementById("spellcheckContent").innerHTML = message;
		document.getElementById("spellcheck").style.visibility="visible";
		var theHandle = document.getElementById("spellcheckTitle");
		var theRoot   = document.getElementById("spellcheck");
		Drag.init(theHandle, theRoot);		
	}else{
		document.getElementById("spellcheckContent").innerHTML = "";
		document.getElementById("spellcheck").style.visibility="hidden"
	}
}

function replace(origVal,newVal){
	//var field = document.forms[0].elements[fieldName];
	//field.value = field.value.replace(origVal,newVal);
	var oRTE = document.getElementById(fieldName);
	var rte = fieldName;
	if (document.all) {
		frames[rte].document.body.innerHTML = frames[rte].document.body.innerHTML.replace(origVal,newVal);
	} else {
		oRTE.contentWindow.document.body.innerHTML = oRTE.contentWindow.document.body.innerHTML.replace(origVal,newVal);
	}	
	
}

var Drag = {

	obj : null,

	init : function(o, oRoot, minX, maxX, minY, maxY, bSwapHorzRef, bSwapVertRef, fXMapper, fYMapper)
	{
		o.onmousedown	= Drag.start;

		o.hmode			= bSwapHorzRef ? false : true ;
		o.vmode			= bSwapVertRef ? false : true ;

		o.root = oRoot && oRoot != null ? oRoot : o ;

		if (o.hmode  && isNaN(parseInt(o.root.style.left  ))) o.root.style.left   = "0px";
		if (o.vmode  && isNaN(parseInt(o.root.style.top   ))) o.root.style.top    = "0px";
		if (!o.hmode && isNaN(parseInt(o.root.style.right ))) o.root.style.right  = "0px";
		if (!o.vmode && isNaN(parseInt(o.root.style.bottom))) o.root.style.bottom = "0px";

		o.minX	= typeof minX != 'undefined' ? minX : null;
		o.minY	= typeof minY != 'undefined' ? minY : null;
		o.maxX	= typeof maxX != 'undefined' ? maxX : null;
		o.maxY	= typeof maxY != 'undefined' ? maxY : null;

		o.xMapper = fXMapper ? fXMapper : null;
		o.yMapper = fYMapper ? fYMapper : null;

		o.root.onDragStart	= new Function();
		o.root.onDragEnd	= new Function();
		o.root.onDrag		= new Function();
	},

	start : function(e)
	{
		var o = Drag.obj = this;
		e = Drag.fixE(e);
		var y = parseInt(o.vmode ? o.root.style.top  : o.root.style.bottom);
		var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right );
		o.root.onDragStart(x, y);

		o.lastMouseX	= e.clientX;
		o.lastMouseY	= e.clientY;

		if (o.hmode) {
			if (o.minX != null)	o.minMouseX	= e.clientX - x + o.minX;
			if (o.maxX != null)	o.maxMouseX	= o.minMouseX + o.maxX - o.minX;
		} else {
			if (o.minX != null) o.maxMouseX = -o.minX + e.clientX + x;
			if (o.maxX != null) o.minMouseX = -o.maxX + e.clientX + x;
		}

		if (o.vmode) {
			if (o.minY != null)	o.minMouseY	= e.clientY - y + o.minY;
			if (o.maxY != null)	o.maxMouseY	= o.minMouseY + o.maxY - o.minY;
		} else {
			if (o.minY != null) o.maxMouseY = -o.minY + e.clientY + y;
			if (o.maxY != null) o.minMouseY = -o.maxY + e.clientY + y;
		}

		document.onmousemove	= Drag.drag;
		document.onmouseup		= Drag.end;

		return false;
	},

	drag : function(e)
	{
		e = Drag.fixE(e);
		var o = Drag.obj;

		var ey	= e.clientY;
		var ex	= e.clientX;
		var y = parseInt(o.vmode ? o.root.style.top  : o.root.style.bottom);
		var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right );
		var nx, ny;

		if (o.minX != null) ex = o.hmode ? Math.max(ex, o.minMouseX) : Math.min(ex, o.maxMouseX);
		if (o.maxX != null) ex = o.hmode ? Math.min(ex, o.maxMouseX) : Math.max(ex, o.minMouseX);
		if (o.minY != null) ey = o.vmode ? Math.max(ey, o.minMouseY) : Math.min(ey, o.maxMouseY);
		if (o.maxY != null) ey = o.vmode ? Math.min(ey, o.maxMouseY) : Math.max(ey, o.minMouseY);

		nx = x + ((ex - o.lastMouseX) * (o.hmode ? 1 : -1));
		ny = y + ((ey - o.lastMouseY) * (o.vmode ? 1 : -1));

		if (o.xMapper)		nx = o.xMapper(y)
		else if (o.yMapper)	ny = o.yMapper(x)

		Drag.obj.root.style[o.hmode ? "left" : "right"] = nx + "px";
		Drag.obj.root.style[o.vmode ? "top" : "bottom"] = ny + "px";
		Drag.obj.lastMouseX	= ex;
		Drag.obj.lastMouseY	= ey;

		Drag.obj.root.onDrag(nx, ny);
		return false;
	},

	end : function()
	{
		document.onmousemove = null;
		document.onmouseup   = null;
		Drag.obj.root.onDragEnd(	parseInt(Drag.obj.root.style[Drag.obj.hmode ? "left" : "right"]), 
									parseInt(Drag.obj.root.style[Drag.obj.vmode ? "top" : "bottom"]));
		Drag.obj = null;
	},

	fixE : function(e)
	{
		if (typeof e == 'undefined') e = window.event;
		if (typeof e.layerX == 'undefined') e.layerX = e.offsetX;
		if (typeof e.layerY == 'undefined') e.layerY = e.offsetY;
		return e;
	}
};

var util = {

  shouldDebug: false,

  // Note: Will fail in pathological cases (where the members contain
  // strings similar to describe() result).
  membersEqual: function(array1, array2) {
    return util.describe(array1)==util.describe(array2);
  },

  describe: function(obj) {
    if (obj==null) { return null; }
    switch(typeof(obj)) {
      case 'object': {
        var message = "";
        for (key in obj) {
          message += ", [" + key + "]: [" + obj[key] + "]";
        }
        if (message.length > 0) {
          message = message.substring(2); // chomp initial ', '
        }
        return message;
      }
      default: return "" + obj;
    }
  },

  debug: function(message) {
      if (this.shouldDebug) {
        alert("AjaxJS Message:\n\n" + message);
      }
  },

  error: function(message) {
      if (this.shouldDebug) {
        alert("AjaxJS ERROR:\n\n" + message);
      }
  },

  // trim() From Shawn Milo
  // https://lists.latech.edu/pipermail/javascript/2004-May/007567.html
  trim: function(str) {
    return str.replace(/^(\s+)?(.*\S)(\s+)?$/, '$2');
  },

  strip: function(str) {
    return str.replace(/\s+/, "");
  }

}

function $() {

    var elements = new Array();

    for (var i = 0; i < arguments.length; i++) {

      var element = arguments[i];

      if (typeof element == 'string') {
        if (document.getElementById) {
          element = document.getElementById(element);
        } else if (document.all) {
          element = document.all[element];
        }
      }

      elements.push(element);

    }

    if (arguments.length == 1 && elements.length > 0) {
      return elements[0];
    } else {
      return elements;
    }
}

function $C(elType) {
  return document.createElement(elType);
}

// From prototype library. Try.these(f1, f2, f3);
var Try = {
  these: function() {
    var returnValue;
    for (var i = 0; i<arguments.length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) {}
    }
    return returnValue;
  }
}

function getElementsByClassName(classname) {
    var a = [];
    var re = new RegExp('\\b' + classname + '\\b');
    var els = document.getElementsByTagName("*");
    for(var i=0,j=els.length; i<j; i++)
        if(re.test(els[i].className))a.push(els[i]);
    return a;
}

function extractIFrameBody(iFrameEl) {

  var doc = null;
  if (iFrameEl.contentDocument) { // For NS6
    doc = iFrameEl.contentDocument; 
  } else if (iFrameEl.contentWindow) { // For IE5.5 and IE6
    doc = iFrameEl.contentWindow.document;
  } else if (iFrameEl.document) { // For IE5
    doc = iFrameEl.document;
  } else {
    alert("Error: could not find sumiFrame document");
    return null;
  }
  return doc.body;

}


var DELAY = 1000;
var steps = 0;
function andThen(action) {
  var delayTime = (++steps * DELAY);
  setTimeout(action, delayTime);
}

function log(message) {
  $("log").innerHTML += message + "<br/>";
}

function createXMLHttpRequest() {
  try { return new ActiveXObject("Msxml2.XMLHTTP");    } catch(e) {}
  try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {}
  try { return new XMLHttpRequest();                   } catch(e) {}
  alert("XMLHttpRequest not supported");
  return null;
}


var ajaxCaller = {

  shouldDebug: false,
  shouldEscapeVars: false,
  shouldMakeHeaderMap: true,

  calls : new Array(),
  pendingResponseCount : 0,

   /**************************************************************************
      PUBLIC METHODS
   *************************************************************************/

  getXML: function(url, callbackFunction) {
    this.get(url, null, callbackFunction, true, null);
  },

  getPlainText: function(url, callbackFunction) {
    this.get(url, null, callbackFunction, false, null);
  },

  postForPlainText: function(url, vars, callbackFunction) {
    this.postVars(url, vars, null, callbackFunction, false,
                    null, "POST", null, null, null);
  },

  postForXML: function(url, vars, callbackFunction) {
    this.postVars(url, vars, null, callbackFunction, true,
                    null, "POST", null, null, null);
  },

  get: function(url, urlVars, callbackFunction, expectingXML, callingContext) {
    this._callServer(url, urlVars, callbackFunction, expectingXML,
                    callingContext, "GET", null, null, null);
  },

  postVars:
    function(url, bodyVars, optionalURLVars, callbackFunction, expectingXML,
             callingContext) {
      this._callServer(url, optionalURLVars, callbackFunction, expectingXML,
                      callingContext, "POST", bodyVars, null, null);
  },

  postBody:
    function(url, optionalURLVars, callbackFunction, expectingXML,
             callingContext, bodyType, body) {
      this._callServer(url, optionalURLVars, callbackFunction, expectingXML,
                      callingContext, "POST", null, bodyType, body);
  },

  putBody:
    function(url, optionalURLVars, callbackFunction, expectingXML,
             callingContext, bodyType, body) {
      this._callServer(url, optionalURLVars, callbackFunction, expectingXML,
                      callingContext, "PUT", null, bodyType, body);
  },

  options:
    function(url, optionalURLVars, callbackFunction, expectingXML,
             callingContext, bodyType, body) {
      this._callServer(url, optionalURLVars, callbackFunction, expectingXML,
                      callingContext, "OPTIONS", null, bodyType, body);
  },

  trace:
    function(url, optionalURLVars, callbackFunction, expectingXML,
             callingContext, bodyType, body) {
      this._debug("trace");
      this._callServer(url, optionalURLVars, callbackFunction, expectingXML,
                      callingContext, "TRACE", null, bodyType, body);
  },

  deleteIt: function(url, urlVars, callbackFunction,
                     expectingXML, callingContext) {
    this._callServer(url, urlVars, callbackFunction, expectingXML,
                    callingContext, "DELETE", null, null, null);
  },

  head: function(url, urlVars, callbackFunction, expectingXML, callingContext)
  {
    this._callServer(url, urlVars, callbackFunction, expectingXML,
                    callingContext, "HEAD", null, null, null);
  },

  /**************************************************************************
     PRIVATE METHODS
  *************************************************************************/

  _callServer: function(url, urlVars, callbackFunction, expectingXML,
                       callingContext, requestMethod, bodyVars,
                       explicitBodyType, explicitBody) {

    if (urlVars==null) {
      urlVars = new Array();
    }

    this._debug("_callServer() called. About to request URL\n"
                + "call key: [" + this.calls.length + "]\n"
                + "url: [" + url + "]\n"
                + "callback function: [" + callbackFunction + "]\n"
                + "treat response as xml?: [" + expectingXML + "]\n"
                + "Request method?: [" + requestMethod + "]\n"
                + "calling context: [" + callingContext + "]\n"
                + "explicit body type: [" + explicitBodyType + "]\n"
                + "explicit body: [" + explicitBody + "]\n"
                + "urlVars: [" + util.describe(urlVars) + "]\n"
                + "bodyVars: [" + util.describe(bodyVars) + "]"
              );


    var xReq = this._createXMLHttpRequest();
    xReq.onreadystatechange = function() {
      ajaxCaller._onResponseStateChange(call);
    }

    var call = {xReq: xReq,
                callbackFunction: callbackFunction,
                expectingXML: expectingXML,
                callingContext: callingContext,
                url: url};

    if (urlVars!=null) {
      var urlVarsString = this._createHTTPVarSpec(urlVars);
      if (urlVarsString.length > 0) { // TODO check if appending with & instead
        url += "?" + urlVarsString;
      }
    }

    xReq.open(requestMethod, url, true);

    if (   requestMethod=="GET"
        || requestMethod=="HEAD"
        || requestMethod=="DELETE") {
      this._debug("Body-less request to URL " + url);
      xReq.send(null);
      return;
    }

    if (   requestMethod=="POST"
        || requestMethod=="PUT"
        || requestMethod=="OPTIONS"
        || requestMethod=="TRACE") {
      bodyType = null;
      body = null;
      if (explicitBodyType==null) { // It's a form
        bodyType = 'application/x-www-form-urlencoded; charset=UTF-8';
        body = this._createHTTPVarSpec(bodyVars);
      } else {
        bodyType = explicitBodyType;
        body = explicitBody;
      }
      this._debug("Content-Type: [" + bodyType + "]\nBody: [" + body + "].");
      xReq.setRequestHeader('Content-Type',  bodyType);
      xReq.send(body);
      return;
    }

    this._debug("ERROR: Unknown Request Method: " + requestMethod);


  },

  // The callback of xmlHttpRequest is a dynamically-generated function which
  // immediately calls this function.
  _onResponseStateChange: function(call) {

    xReq = call.xReq;

    if (xReq.readyState < 4) { //Still waiting
      return;
    }

    if (xReq.readyState == 4) { //Transmit to actual callback
      this._debug("Call " + util.describe(call)
                + " with context [" + call.callingContext+"]"
                + " to " + call.url + " has returned.");
      callbackFunction = call.callbackFunction;
      if (!callbackFunction) { // Maybe still loading, e.g. in another JS file
        setTimeout(function() {
          _onResponseStateChange(call);
        }, 100);
      }
      var content = call.expectingXML ? xReq.responseXML : xReq.responseText;
      responseHeaders = xReq.getAllResponseHeaders();
      headersForCaller = this.shouldMakeHeaderMap ?
        this._createHeaderMap(responseHeaders) : responseHeaders;
      callbackFunction(content, headersForCaller, call.callingContext);
    }

    call = null; // Technically the responsibility of GC
    this.pendingResponseCount--;

  },

  // Browser-agnostic factory function
  _createXMLHttpRequest: function() {
    if (window.XMLHttpRequest) {
      return new XMLHttpRequest();
    } else if (window.ActiveXObject) {
      return new ActiveXObject('Microsoft.XMLHTTP')
    } else {
      _error("Could not create XMLHttpRequest on this browser");
      return null;
    }
  },

  _createHTTPVarSpec: function(vars) {
      var varsString = "";
      for( key in vars ) {
        var value = vars[key];
        if (this.shouldEscapeVars) {
          escapePlusRE =  new RegExp("\\\+");
          value = value.replace(escapePlusRE, "%2B");
        }
        varsString += '&' + key + '=' + value;
      }
      if (varsString.length > 0) {
        varsString = varsString.substring(1); // chomp initial '&'
      }
      this._debug("Built var String: " + varsString)
      return varsString;
   },

  /* Creates associative array from header type to header */
  _createHeaderMap: function(headersText) {
    extractedHeaders = headersText.split("\n");
    delete extractedHeaders[extractedHeaders.length]; // Del blank line at end
    headerMap = new Array();
    for (i=0; i<extractedHeaders.length-2; i++) {
      head = extractedHeaders[i];
      fieldNameEnding = head.indexOf(":");
      field = head.substring(0, fieldNameEnding);
      value = head.substring(fieldNameEnding + 2, head.length);
      value = value.replace(/\s$/, "");
      headerMap[field] = value;
    }
    return headerMap;
  },

  _debug: function(message) {
      if (this.shouldDebug) {
        alert("AjaxJS Message:\n\n" + message);
      }
  },

  _error: function(message) {
      if (this.shouldDebug) {
        alert("AjaxJS ERROR:\n\n" + message);
      }
  }

};