/*

@version: [Video] takes a range of parameters 
*/
//=====================================================================================:UEL
var UEL;
if (!UEL) UEL = {};
//=====================================================================================:class_Flash
UEL.class_Flash =  function () {
	this.Instances = new Array();
	this.DOMAIN = String(document.location).match(/[^\/]+\/\/[^\/]+/);
	if (this.isDebugging) this.Debug = this.getTarget('flash_Debug');
}
UEL.class_Flash.prototype.DOMAIN = '';
UEL.class_Flash.prototype.Instances = null;
UEL.class_Flash.prototype.PREFIX = 'flash_';
UEL.class_Flash.prototype.Debug = null;
UEL.class_Flash.prototype.isDebugging = false;

//....................................................................................:
UEL.class_Flash.prototype._debug =  function (text) {
	if (this.isDebugging) this.Debug.html(this.Debug.html() + '<p>' + text + '</p>');
}


//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);
  return str;
}
function AC_FL_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
     , "application/x-shockwave-flash"
    );
  return 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
    );
  return 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":
        ret.objAttrs[args[i]] = args[i+1];
        break;
      case "id":
        ret.objAttrs[args[i]] = args[i+1];
        ret.embedAttrs[args[i]] = 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;
}

//....................................................................................:
UEL.class_Flash.prototype.Video =  function (_Param) {
	var $P = {};
	if (typeof(_Param) == 'string') {
		$P.media = _Param;
	} else {
		$P = _Param;
	}
	if (!$P.size) $P.size = 'video';
	this.create($P.size, $P);
}
//....................................................................................:
UEL.class_Flash.prototype.WidescreenVideo =  function (Name) {
	this.create('widescreenvideo', 'media='+Name);
}
//....................................................................................:
UEL.class_Flash.prototype.getTarget =  function (Name) {
	var target = $('#'+Name);
	if (!target.length) {
		document.write('<div id="'+Name+'"></div>');
		target = $('#flash_Debug');
	}
	return target;
}
//....................................................................................:
UEL.class_Flash.prototype.remote =  function (Params) {
	//reserved
}
//....................................................................................:
UEL.class_Flash.prototype.place =  function (_Params) {
	/*
	name
	width
	height
	path
	Params
	*/
	try {
	       var $FlashParams = {query:''};
		var prefix = '';
	
		if (_Params) {
		       if (!!_Params.Params) {
			    if (typeof(_Params.Params) == 'string') {
				    $FlashParams.query = _Params.Params;
			    } else {
				    $FlashParams = _Params.Params;
				    $FlashParams.query = '';
				    for (var _i in _Params.Params) {
					$FlashParams.query += _i + '=' + _Params.Params[_i] + '&';
				    }
			    }
		       }
			prefix = ((!$FlashParams.remote)? this.DOMAIN: "http://www.uel.ac.uk") + "/_flash/";
			if (!$FlashParams.id) $FlashParams.id = 'flash_'+_Params.name;
			var obj = AC_FL_RunContent(
					'id', $FlashParams.id,
					'name', $FlashParams.id,
					'codebase', 'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0',
					'width', _Params.width,
					'height', _Params.height,
					'src', prefix + _Params.path + _Params.name,
					'quality', 'best',
					'pluginspage', 'http://www.adobe.com/go/getflashplayer',
					'align', 'middle',
					'play', 'true',
					'loop', 'true',
					'scale', 'showall',
					'wmode', 'transparent',
					'devicefont', 'false',
					'bgcolor', '#ffffff',
					'menu', 'true',
					'allowFullScreen', 'true',
					'allowScriptAccess','sameDomain',
					'movie', prefix + _Params.path + _Params.name,
					'salign', '',
					'FlashVars', $FlashParams.query
					);
			//var target = this.getTarget('flash_'+Params.name);
			//$('#flash_'+Params.name).remove();
			//$('#flash_'+Params.name).replaceWith(obj);

			var target = document.getElementById($FlashParams.id);
			//var sibling = null;
			//var parent = null;
			if (target != null) {
				target.id = 't_'+target.id;
				//var sibling = target.nextSibling;
				//target.parentNode.removeChild(target);
				//$(target).replaceWith(obj);
			} 

			document.write(obj);
			//document.close();

			var o = document.getElementById($FlashParams.id);
			if (target != null) {
				target.parentNode.replaceChild(o,target);
			}
			/*if (sibling != null) {
				parent.insertBefore(sibling, o);
			}*/ 
			//target.remove();
			//target.
			//document.write(obj);
			this.Instances.push(_Params.name);
		}
	} catch (e) {
		UEL.Flash._debug('<strong>Flash.place:</strong> ' + e);
	}	
}
//....................................................................................:
UEL.class_Flash.prototype.create =  function (Code, Params) {
	try {
		var lst = new Array();
		lst['profile_'] = {width: 785, height: 105, name:'profile_', path: '' };
		lst['profile_artwork_'] = {width: 200, height: 175, name:'profile_artwork_', path: '' };
		//video players
		lst['video'] = {width: 300, height: 200, name:'mediaplayer', path: '' };
		lst['widescreenvideo'] = {width: 536, height: 326, name:'mediaplayer_widescreen', path: '' };
		lst['widescreen'] = {width: 536, height: 326, name:'mediaplayer_widescreen', path: '' };
		lst['sidebar'] = {width: 183, height: 341, name:'mediaplayer_sidebar', path: '' };

		lst['profile'] = {width: 785, height: 105, name:'profile', path: '' };
		lst['profile_artwork'] = {width: 200, height: 175, name:'profile_artwork', path: '' };
		lst['welcome'] = {width: 536, height: 208, name:'welcome', path: 'welcome/' };
		lst['promo'] = {width: 800, height: 100, name:'promo', path: '' };
		lst['artwork'] = {width: 200, height: 175, name:'artwork', path: '' };
		var P = lst[Code];
		if (P) {
			P.Params = Params;
			UEL.Flash.place(P);
		}
	} catch (e) {
		UEL.Flash._debug('<strong>Flash.create:</strong> ' + e);
	}	
}
//....................................................................................:
UEL.class_Flash.prototype.perform =  function (Verb, Data) {
	for (var i=0; i < this.Instances.length; i++) {
		var r = this.Ref(this.Instances[i]);
		try {
			var V = (!Verb)? '': Verb;
			var D = (!Data)? '': Data;
			if (r) r.perform(Verb, Data);
		} catch (e) {
			UEL.Flash._debug('<strong>Flash.perform:</strong> ' + e);
		}	
	}
}
//....................................................................................:generic
UEL.class_Flash.prototype.generic =  function (Section, Heading, Badges, Colour) {
	try {
		var P = 'ref=';
		if (Section != null) { P += '&section=' + Section; }
		if (Heading != null) { P += '&heading=' + Heading; }
		if (Badges != null) { P += '&badges=' + Badges; }
		if (Colour != null) { P += '&colour=' + Colour; }
		UEL.Flash.place({
				name:	'generic',
				width:	791,
				height:	100,
				path:	'', // within [_flash] folder 
				Params:  P
			});
	} catch (e) {
		UEL.Flash._debug('<strong>Flash.generic:</strong> ' + e);
	}	
}
//....................................................................................:
UEL.class_Flash.prototype.Ref =  function (Name) {
	var result = null;
	var fl = (navigator.appName.indexOf("Microsoft") != -1)? window[this.PREFIX+Name]: document[this.PREFIX+Name];
	if (fl && fl.perform) result = fl;
	return result;
}

//=====================================================================================:UEL.Flash
if (!UEL.Flash) UEL.Flash = new UEL.class_Flash();