/*
// +----------------------------------------------------------------------+
// | Orginial Code Care Of:                                               |
// +----------------------------------------------------------------------+
// | Copyright (c) 2004 Bitflux GmbH                                      |
// +----------------------------------------------------------------------+
// | Licensed under the Apache License, Version 2.0 (the "License");      |
// | you may not use this file except in compliance with the License.     |
// | You may obtain a copy of the License at                              |
// | http://www.apache.org/licenses/LICENSE-2.0                           |
// | Unless required by applicable law or agreed to in writing, software  |
// | distributed under the License is distributed on an "AS IS" BASIS,    |
// | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or      |
// | implied. See the License for the specific language governing         |
// | permissions and limitations under the License.                       |
// +----------------------------------------------------------------------+
// | Author: Bitflux GmbH <devel@bitflux.ch>                              |
// |         http://blog.bitflux.ch/p1735.html                            |
// +----------------------------------------------------------------------+
// +----------------------------------------------------------------------+
// | Heavily Modified by Jeff Minard (07/09/04)                           |
// +----------------------------------------------------------------------+
// | Author: Jeff Minard <jeff-js@creatimation.net>                       |
// |         http://www.creatimation.net                                  |
// +----------------------------------------------------------------------+
// +----------------------------------------------------------------------+
// | Heavily Modified by Jonas Rabbe (2005-05-08)                         |
// +----------------------------------------------------------------------+
// | Author: Jonas Rabbe <jonas@rabbe.com>                                |
// |         http://www.jonas.rabbe.com                                   |
// +----------------------------------------------------------------------+
// +----------------------------------------------------------------------+
// | Heavily Modified Again by Rob Sable (05/10/05)                       |
// +----------------------------------------------------------------------+
// | Author: Rob Sable                                                    |
// |         http://www.wilshireone.com                                   |
// +----------------------------------------------------------------------+
*/

var rssLiveReq = false;
var rssLiveReqLast = "-";
var rssYear = 0;
var rssMonth = 0;
var rssIsIE = false;
var rssIsIE7 = false;
var rssLoadingMsg = "Loading Article Archives...";

// on !IE we only have to initialize it once
if (window.XMLHttpRequest) {
	rssLiveReq = new XMLHttpRequest();
}

function rssLiveReqDoReq(query) {
	if (rssLiveReqLast != query) {
		if (rssLiveReq && rssLiveReq.readyState < 4) {
			rssLiveReq.abort();
		}
		if (window.XMLHttpRequest) {
		// branch for IE/Windows ActiveX version
		} else if (window.ActiveXObject) {
			rssLiveReq = new ActiveXObject("Microsoft.XMLHTTP");
		}

		rssLiveReq.open("GET", "?larch=1&" + query);
		rssLiveReqLast = query;
		rssLiveReq.onreadystatechange = rssLiveReqProcessReqChange;
		rssLiveReq.send(null);
	}
}

function rssLiveReqProcessReqChange() {
	if (rssLiveReq.readyState == 4) {
		try {
			var loadingDiv = document.getElementById('rssLiveArchiveLoading');
			loadingDiv.style.display = 'none';

			var rssText = rssLiveReq.responseText;
			var resultID = rssText.substring(0, rssText.indexOf('|'));
			rssText = rssText.substring(rssText.indexOf('|') + 1, rssText.length);

			document.getElementById(resultID).innerHTML = rssText;

			var year_list = document.getElementById(resultID+'-year').childNodes;
			for( var i = 0; i < year_list.length; i++ ) {
				if( year_list[i].nodeName == 'LI' ) {
					year_list[i].style.cursor = 'pointer';
					var tf = function(e) {
						var rssID = rssEventElement(e).id;
						rssYear = rssID.substring(rssID.lastIndexOf('-') + 1, rssID.length);
						rssSelectYear();
					}

					rssAttachClickEvent(year_list[i], tf);
				}
			}

			var month_list = document.getElementById(resultID+'-month').childNodes;
			for( var i = 0; i < month_list.length; i++ ) {
				if( month_list[i].nodeName == 'LI' ) {
					month_list[i].style.cursor = 'pointer';
					var tf = function(e) {
						var rssID = rssEventElement(e).id;
						rssMonth = rssID.substring(rssID.lastIndexOf('-') + 1, rssID.length);
						rssSelectMonth();
					}

					rssAttachClickEvent(month_list[i], tf);
				}
			}
		} catch (exception) { }
	}
}

function rssAttachClickEvent(element, tf)
{
	if (!element) {
		alert("No object given");
	}
    if (element.addEventListener) {
		element.addEventListener('click', tf, false);
	}
    else
    {
		element.attachEvent('onclick',tf);
    }
    /*
	if( rssIsIE) {
		alert("Calling attachEvent");
		element.attachEvent('onclick',tf);
	} else {
		alert("Calling addEventListener");
		element.addEventListener('click', tf, false);
	}
    */
}

function rssGetInternetExplorerVersion()
// Returns the version of Internet Explorer or a -1
// (indicating the use of another browser).
{
  var rv = -1; // Return value assumes failure
  if (navigator.appName == 'Microsoft Internet Explorer')
  {
    var ua = navigator.userAgent;
    var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
    if (re.exec(ua) != null)
      rv = parseFloat( RegExp.$1 );
  }
  return rv;
}

function rssCheckIEVersion()
{
  var ver = rssGetInternetExplorerVersion();
  if ( ver > -1 )
  {
	rssIsIE = true;
    if ( ver >= 7.0 )
    {
	  rssIsIE7 = true;
    }
  }
}

function rssLiveReqInit() {
	if (navigator.userAgent.indexOf("Safari") > 0) {
		// branch to get to internet explorer
	} else if (navigator.product == "Gecko") {
		// branch to get to internet explorer
	} else {
		// rssIsIE = true;
		rssCheckIEVersion();
	}

	var notlive = document.getElementById('notlive');

	var newDiv = document.createElement('div');
	newDiv.id = 'rssLiveArchiveLoading';
	newDiv.style.display = 'none';
	newDiv.innerHTML = rssLoadingMsg;
	newDiv.style.display = 'block';
	try {
	document.getElementById('livearchives').appendChild(newDiv);
	document.getElementById('livearchives').removeChild(notlive);
	} catch (exception) { }
	rssLiveReqDoReq('');
}

function rssSelectYear() {
	rssLiveReqDoReq('year=' + rssYear);
}

function rssSelectMonth() {
	rssLiveReqDoReq('year=' + rssYear + '&month=' + rssMonth);
}

function rssEventElement(e) {
	if( rssIsIE ) {
		return e.srcElement;
	} else {
		return e.currentTarget;
	}
}

function addrssLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

addrssLoadEvent(function() {
  rssLiveReqInit();
});