/*
 * FlashObject embed
 * by Geoff Stearns (geoff@deconcept.com, http://www.deconcept.com/)
 *
 * v1.1.1 - 05-17-2005
 *
 * writes the embed code for a flash movie, includes plugin detection
 *
 * Usage:
 *
 *	myFlash = new FlashObject("path/to/swf.swf", "swfid", "width", "height", "flashversion", "backgroundcolor");
 *	myFlash.write("objId");
 *
 * for best practices, see:
 *  http://blog.deconcept.com/2005/03/31/proper-flash-embedding-flashobject-best-practices/
 *
 */
var macBlocked = false;
var FlashObject = function(swf, id, w, h, ver, c, flashparams) {
	// Globals
	// Major version of Flash required
	var requiredMajorVersion = 8;
	// Minor version of Flash required
	var requiredMinorVersion = 0;
	// Flash revision required
	var requiredRevision = 0;

	var _swf = swf;
	var expressinstallPath = '/all/media/flash/';
	
	if (swfIsVideoPlayer(swf)) {
		this.version = '6'; // force version check

		var hasProductInstall = DetectFlashVer(6, 0, 65);

		var hasReqestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
		
		if ( hasProductInstall && !hasReqestedVersion ) {
			_swf = expressinstallPath + 'expressinstall.swf?MMredirectURL=' + window.location + '&MMdoctitle=' + document.title + addMMplayerType();
			_swf += getExpressInstallParams(flashparams);
			// setze eine graue Linie unter den Content div.
			setIntroImageBorder();
		}
			
	}
	else {
		this.version = ver;
		
		if (g_is_home) {			
			if (g_is_mac || !detectFlash(this.version)) {
				// fall back to regular page (without flash)
				macBlocked = true;
				fallBackFromFlash(getPoolName());
			}
			else {
				// prepare the homepage before loading flash animation.
				hideHomepageNavigation();
				hideHomepageClaim();
			}
			
		}
	}
	
	
	this.swf = _swf;
	this.id = id;
	this.width = w;
	this.height = h;
	this.align = "middle";

	this.params = new Object();
	this.variables = new Object();

	this.redirect = "";
	this.sq = document.location.search.split("?")[1] || "";
	this.bypassTxt = "<p>Already have Macromedia Flash Player? <a href='?detectflash=false&"+ this.sq +"'>Click here if you have Flash Player "+ this.version +" installed</a>.</p>";
	
	if (c) this.color = this.addParam('bgcolor', c);
	this.addParam('quality', 'high'); // default to high
	this.doDetect = getQueryParamValue('detectflash');
}

var FOP = FlashObject.prototype;

FOP.addParam = function(name, value) { this.params[name] = value; }

FOP.getParams = function() { return this.params; }

FOP.getParam = function(name) { return this.params[name]; }

FOP.addVariable = function(name, value) { this.variables[name] = value; }

FOP.getVariable = function(name) { return this.variables[name]; }

FOP.getVariables = function() { return this.variables; }

FOP.getParamTags = function() {
    var paramTags = "";
    for (var param in this.getParams()) {
        paramTags += '<param name="' + param + '" value="' + this.getParam(param) + '" />';
    }
    return (paramTags == "") ? false:paramTags;
}

FOP.getHTML = function() {
    var flashHTML = "";
    if (navigator.plugins && navigator.mimeTypes.length) { // netscape plugin architecture
        flashHTML += '<embed type="application/x-shockwave-flash" src="' + this.swf + '" width="' + this.width + '" height="' + this.height + '" id="' + this.id + '" align="' + this.align + '"';
        for (var param in this.getParams()) {
            flashHTML += ' ' + param + '="' + this.getParam(param) + '"';
        }
        if (this.getVariablePairs()) {
            flashHTML += ' flashVars="' + this.getVariablePairs() + '"';
        }
        flashHTML += '></embed>';
    } else { // PC IE
        flashHTML += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="' + this.width + '" height="' + this.height + '" name="' + this.id + '" align="' + this.align + '">';
        flashHTML += '<param name="movie" value="' + this.swf + '" />';
        if (this.getParamTags()) {
            flashHTML += this.getParamTags();
        }
        if (this.getVariablePairs() != null) {
            flashHTML += '<param name="flashVars" value="' + this.getVariablePairs() + '" />';
        }
        flashHTML += '</object>';
    }
    return flashHTML;	
}

FOP.getVariablePairs = function() {
    var variablePairs = new Array();
    for (var name in this.getVariables()) { 
    	variablePairs.push(name + "=" + escape(this.getVariable(name))); 
    }
    return (variablePairs.length > 0) ? variablePairs.join("&"):false;
}

FOP.write = function(elementId) {
	if((detectFlash(this.version) && DetectFlashVer(6, 0, 65) && !macBlocked ) || this.doDetect=='false') {
		if (elementId) {
			if (document.getElementById(elementId))
				document.getElementById(elementId).innerHTML = this.getHTML();
			else
				getElementsByClassName(elementId)[0].innerHTML = this.getHTML();
		} else {
			document.write(this.getHTML());
		}
	} else {
		if (this.redirect != "") {
			document.location.replace(this.redirect);
		} else if (this.altTxt) {
			if (elementId) {
				document.getElementById(elementId).innerHTML = this.altTxt +""+ this.bypassTxt;
			} else {
				document.write(this.altTxt +""+ this.bypassTxt);
			}
		}
	}		
}

/* ---- detection functions ---- */
function getFlashVersion() {
	var flashversion = 0;
	if (navigator.plugins && navigator.mimeTypes.length) {
		var x = navigator.plugins["Shockwave Flash"];
		if(x && x.description) {
			var y = x.description;
   			flashversion = y.charAt(y.indexOf('.')-1);
		}
	} else {
		result = false;
	    for(var i = 15; i >= 3 && result != true; i--){
   			execScript('on error resume next: result = IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.'+i+'"))','VBScript');
   			flashversion = i;
   		}
	}
	return flashversion;
}

function detectFlash(ver) {	
	return (getFlashVersion() >= ver) ? true:false; }

// get value of query string param
function getQueryParamValue(param) {
	var q = document.location.search || document.location.href.split("#")[1];
	if (q) {
		var detectIndex = q.indexOf(param +"=");
		var endIndex = (q.indexOf("&", detectIndex) > -1) ? q.indexOf("&", detectIndex) : q.length;
		if (q.length > 1 && detectIndex > -1) {
			return q.substring(q.indexOf("=", detectIndex)+1, endIndex);
		} else {
			return "";
		}
	}
}

/* add Array.push if needed */
if(Array.prototype.push == null){
	Array.prototype.push = function(item) { this[this.length] = item; return this.length; }
}

function swfIsVideoPlayer (url) {
	var retVal = false;
	var FILENAME = 'videoplayer.swf';
	var foundSWF = url.substr(url.lastIndexOf('/') + 1);
	
	if (foundSWF && (foundSWF.toLowerCase()  == FILENAME))
		retVal = true;
	
	return retVal;
}

function getExpressInstallParams(flashparamstr) {
	var retStr = "";
	if (flashparamstr != undefined) {
		var flashparams = flashparamstr.split(",");
		for (var i=0; i < flashparams.length; i++ ){
			var param = flashparams[i].split("=");
			retStr += "&" + param[0] + "=" + param[1];
		}
	}
	return retStr;
}




// Flashdetect.js hier reingepastet
//
//
// JavaScript helper required to detect Flash Player PlugIn version information
function JSGetSwfVer(i){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	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;
			descArray = flashDescription.split(" ");
			tempArrayMajor = descArray[2].split(".");
			versionMajor = tempArrayMajor[0];
			versionMinor = tempArrayMajor[1];
			if ( descArray[3] != "" ) {
				tempArrayMinor = descArray[3].split("r");
			} else {
				tempArrayMinor = descArray[4].split("r");
			}
      		versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
            flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
      	} else {
			flashVer = -1;
		}
	}
	// 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;
	// Can't detect in all other cases
	else {
		flashVer = -1;
	}
	return flashVer;
} 
// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) 
{
// Detect Client Browser type
	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;

 	var reqVer = parseFloat(reqMajorVer + "." + reqRevision);
   	// loop backwards through the versions until we find the newest version	
	for (i=25;i>0;i--) {	
		if (isIE && isWin && !isOpera) {
			versionStr = 0; 
			execScript('on error resume next: set swControl = CreateObject("ShockwaveFlash.ShockwaveFlash.'+i+'") : if (IsObject(swControl)) then : versionStr = swControl.GetVariable("$version") : end if','VBScript');
		} else {
			versionStr = JSGetSwfVer(i);		
		}
		if (versionStr == -1 ) { 
			return false;
		} else if (versionStr != 0) {
			if(isIE && isWin && !isOpera) {
				tempArray         = versionStr.split(" ");
				tempString        = tempArray[1];
				versionArray      = tempString .split(",");				
			} else {
				versionArray      = versionStr.split(".");
			}
			versionMajor      = versionArray[0];
			versionMinor      = versionArray[1];
			versionRevision   = versionArray[2];
			
			versionString     = versionMajor + "." + versionRevision;   // 7.0r24 == 7.24
			versionNum        = parseFloat(versionString);
        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
			if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
				return true;
			} else {
				return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );	
			}
		}
	}	
}

function addMMplayerType() {
	var pluginTypeStr = "";
	if (navigator.plugins && navigator.mimeTypes.length > 0) {
		pluginTypeStr = "PlugIn";
	}
	else {
		pluginTypeStr = "ActiveX";
	}
	
	return '&MMplayerType=' + pluginTypeStr;
}

