// JavaScript Document

//from http://www.chipchapin.com/WebTools/JavaScript/example1-02.html
function insertModifyDate() {
	lastmod = document.lastModified     // get string of last modified date
	lastmoddate = Date.parse(lastmod)   // convert modified string to date
	if (lastmoddate == 0) {             // unknown date (or January 1, 1970 GMT)
		document.writeln("<div class=\"footnote\"><strong>Last Updated:</strong> Unknown</div>");
	} else {
	    document.writeln("<div class=\"footnote\"><strong>Last Updated:</strong> " + lastmod + "</div>");
	}
}


function toggleSection(id) {
	if (!document.getElementById || !document.getElementsByTagName)
		return false;
	this.content = document.getElementById("list_area");
	this.allsections = this.content.getElementsByTagName("span");
	for (i = 0; i < this.allsections.length; i++)
		this.allsections[i].className = "hidden";
	this.section = document.getElementById(id);
	if ( this.section.className == "hidden" ) this.section.className = "show"
	else this.section.className = "hidden";
}


// function to open site/bfe profile pages
function open_profile(sitecode) {
	profile = window.open("/sites/birding-sites2.html?site=" + sitecode, 'profile', 'toolbar=0,resizable=0,width=700,height=600' );
	profile.focus();
}

function gup( name ) {
	name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
	var regexS = "[\\?&]"+name+"=([^&#]*)";
	var regex = new RegExp( regexS );
	var results = regex.exec( window.location.href );
	if( results == null ) 
		return "nothing";  
	else
		return results[1];
}

function toForm(toStr) {
	var input = document.getElementById("to");
	
	//default
	input.value = 'webmaster@birdingroutes.co.za';
	//to who?
	if (toStr == 'divman') input.value = 'tourism@birdlife.org.za';
	if (toStr == 'ecbr') input.value = 'tourism@birdlife.org.za';
	if (toStr == 'fsbr') input.value = 'mbr@birdlife.org.za';
	if (toStr == 'gaubr') input.value = 'tourism@birdlife.org.za';	
	if (toStr == 'k2cbr') input.value = 'taita@birdlife.org.za';
	if (toStr == "glbr") input.value = 'taita@birdlife.org.za';
	if (toStr == 'mbr') input.value = 'mbr@birdlife.org.za';
	if (toStr == 'nwbr') input.value = 'tourism@birdlife.org.za';
	if (toStr == 'skznbr') input.value = 'tourism@birdlife.org.za';
	if (toStr == 'zbr') input.value = 'tourism@birdlife.org.za';
	if (toStr == 'wcbr') input.value = 'tourism@birdlife.org.za';
	if (toStr == 'travel') input.value = 'mbr@birdlife.org.za';
	if (toStr == 'guides') input.value = 'tourism@birdlife.org.za';
	if (toStr == 'iba') input.value = 'iba@birdlife.org.za,ernst.retief@gmail.com';
}

function featuredLink(id) {
	var links = [
				 null,
				 "http://www.golimpopo.com",				//1
				 "http://www.flightnetwork.com",			//2
				 "http://www.outdooradventures.co.za",		//3
				 "http://www.africanbirdclub.org",			//4
				 "http://www.barnswallow.co.za",			//5
				 "http://www.birdlife.org.za",				//6
				 "http://www.birdpics.co.za",				//7
				 "http://www.getbirding.co.za",				//8
				 "http://www.globalbirdtrekkers.org",		//9
				 "http://www.rarities.co.za",				//10
				 "http://www.simplybirding.co.za",				//11
				 "http://www.zestforbirds.co.za",				//12
				 "http://www.kruger2canyons.com",				//13
				 "http://http.//web.uct.ac.za/depts./stats/adu/index.htm",				//14
				 "http://www.africa.upenn.edu/health/diseases.htm",				//15
				 "http://www.fitzpatrick.uct.ac.za/",				//16
				 "http://www.birdlife.org/",				//17
				 "http://www.fatbirder.com/",				//18
				 "http://www.audobon.org/",				//19
				 "http://www.rspb.org.uk/",				//20
				 "http://www.iol.co.za/",				//21
				 "http://www.kruger2canyons.co.za/",				//22
				 "http://www.mg.co.za/"				//23
				 ];
	var descs = [
				 null,
				 "Limpopo Tourism and Parks",				//1
				 "Flight Network",				//2
				 "Outdoor Adventures",				//3
				 "African Bird Club",				//4
				 "Barnswallow",				//5
				 "BirdLife South Africa",				//6
				 "Bird Pics",				//7
				 "Get Birding",				//8
				 "Global Bird Trekkers (SA Birding Championship!)",				//9
				 "Find Rare Birds",				//10
				 "Simply Birding",				//11
				 "Zest for Birds",				//12
				 "Environmental SitesKruger to Canyons Biosphere",				//13
				 "Avian Demography Unit, University of Cape Town",				//14
				 "African Studies Center: University of Pennsylvania- Resources on Health and Disease in Africa",				//15
				 "Percy FitzPatrick Institute of African Ornithology, University of Cape Town",				//16
				 "BirdLife International",				//17
				 "Fatbirder",				//18
				 "National Audubon Society",				//19
				 "Royal Society for the Protection of Birds",				//20
				 "News in South Africa",				//21
				 "Kruger to Canyons Newspaper",				//22
				 "Mail and Guardian Online"				//23
				 ];
				 
	if (!document.getElementById || !document.getElementsByTagName)
		return false;
	this.content = document.getElementById(id);
	var rand = 1 + Math.floor(Math.random() * (links.length-1));
	content.innerHTML = "<div style=\"margin:0px 10px 0px 10px;text-align:center;background-color:#EFFFFF;border:1px #2C7DC0 solid\">" +
						"<p style=\"font-weight:bold; font-family:\"Century Gothic\",Arial\">Useful link: <br>" +
						"<a class=\"none\" href=\"/external.html?url=" + links[rand] + "\" target=\"_parent\">" + descs[rand] + "</a>" +
						"</p></div>";
}

//v1.7
// Flash Player Version Detection
// Detect Client Browser type
// Copyright 2005-2008 Adobe Systems Incorporated.  All rights reserved.
var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
function ControlVersion()
{
	var version;
	var axo;
	var e;
	// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry
	try {
		// version will be set for 7.X or greater players
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}
	if (!version)
	{
		try {
			// version will be set for 6.X players only
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
			
			// installed player is some revision of 6.0
			// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
			// so we have to be careful. 
			
			// default to the first public version
			version = "WIN 6,0,21,0";
			// throws if AllowScripAccess does not exist (introduced in 6.0r47)		
			axo.AllowScriptAccess = "always";
			// safe to call for 6.0r47 or greater
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}
	if (!version)
	{
		try {
			// version will be set for 4.X or 5.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}
	if (!version)
	{
		try {
			// version will be set for 3.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = "WIN 3,0,18,0";
		} catch (e) {
		}
	}
	if (!version)
	{
		try {
			// version will be set for 2.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			version = "WIN 2,0,0,11";
		} catch (e) {
			version = -1;
		}
	}
	
	return version;
}
// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");			
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			var versionRevision = descArray[3];
			if (versionRevision == "") {
				versionRevision = descArray[4];
			}
			if (versionRevision[0] == "d") {
				versionRevision = versionRevision.substring(1);
			} else if (versionRevision[0] == "r") {
				versionRevision = versionRevision.substring(1);
				if (versionRevision.indexOf("d") > 0) {
					versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
				}
			}
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if ( isIE && isWin && !isOpera ) {
		flashVer = ControlVersion();
	}	
	return flashVer;
}
// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
	versionStr = GetSwfVer();
	if (versionStr == -1 ) {
		return false;
	} else if (versionStr != 0) {
		if(isIE && isWin && !isOpera) {
			// Given "WIN 2,0,0,11"
			tempArray         = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
			tempString        = tempArray[1];			// "2,0,0,11"
			versionArray      = tempString.split(",");	// ['2', '0', '0', '11']
		} else {
			versionArray      = versionStr.split(".");
		}
		var versionMajor      = versionArray[0];
		var versionMinor      = versionArray[1];
		var versionRevision   = versionArray[2];
        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
		if (versionMajor > parseFloat(reqMajorVer)) {
			return true;
		} else if (versionMajor == parseFloat(reqMajorVer)) {
			if (versionMinor > parseFloat(reqMinorVer))
				return true;
			else if (versionMinor == parseFloat(reqMinorVer)) {
				if (versionRevision >= parseFloat(reqRevision))
					return true;
			}
		}
		return false;
	}
}
function AC_AddExtension(src, ext)
{
  if (src.indexOf('?') != -1)
    return src.replace(/\?/, ext+'?'); 
  else
    return src + ext;
}
function AC_Generateobj(objAttrs, params, embedAttrs) 
{ 
  var str = '';
  if (isIE && isWin && !isOpera)
  {
    str += '<object ';
    for (var i in objAttrs)
    {
      str += i + '="' + objAttrs[i] + '" ';
    }
    str += '>';
    for (var i in params)
    {
      str += '<param name="' + i + '" value="' + params[i] + '" /> ';
    }
    str += '</object>';
  }
  else
  {
    str += '<embed ';
    for (var i in embedAttrs)
    {
      str += i + '="' + embedAttrs[i] + '" ';
    }
    str += '> </embed>';
  }
  document.write(str);
}
function AC_FL_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
     , "application/x-shockwave-flash"
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}
function AC_SW_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".dcr", "src", "clsid:166B1BCA-3F9C-11CF-8075-444553540000"
     , null
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}
function AC_GetArgs(args, ext, srcParamName, classid, mimeType){
  var ret = new Object();
  ret.embedAttrs = new Object();
  ret.params = new Object();
  ret.objAttrs = new Object();
  for (var i=0; i < args.length; i=i+2){
    var currArg = args[i].toLowerCase();    
    switch (currArg){	
      case "classid":
        break;
      case "pluginspage":
        ret.embedAttrs[args[i]] = args[i+1];
        break;
      case "src":
      case "movie":	
        args[i+1] = AC_AddExtension(args[i+1], ext);
        ret.embedAttrs["src"] = args[i+1];
        ret.params[srcParamName] = args[i+1];
        break;
      case "onafterupdate":
      case "onbeforeupdate":
      case "onblur":
      case "oncellchange":
      case "onclick":
      case "ondblclick":
      case "ondrag":
      case "ondragend":
      case "ondragenter":
      case "ondragleave":
      case "ondragover":
      case "ondrop":
      case "onfinish":
      case "onfocus":
      case "onhelp":
      case "onmousedown":
      case "onmouseup":
      case "onmouseover":
      case "onmousemove":
      case "onmouseout":
      case "onkeypress":
      case "onkeydown":
      case "onkeyup":
      case "onload":
      case "onlosecapture":
      case "onpropertychange":
      case "onreadystatechange":
      case "onrowsdelete":
      case "onrowenter":
      case "onrowexit":
      case "onrowsinserted":
      case "onstart":
      case "onscroll":
      case "onbeforeeditfocus":
      case "onactivate":
      case "onbeforedeactivate":
      case "ondeactivate":
      case "type":
      case "codebase":
      case "id":
        ret.objAttrs[args[i]] = args[i+1];
        break;
      case "width":
      case "height":
      case "align":
      case "vspace": 
      case "hspace":
      case "class":
      case "title":
      case "accesskey":
      case "name":
      case "tabindex":
        ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
        break;
      default:
        ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
    }
  }
  ret.objAttrs["classid"] = classid;
  if (mimeType) ret.embedAttrs["type"] = mimeType;
  return ret;
}