/*
 * 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 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 FlashObject = function(swf, id, w, h, ver, c) {
	this.swf = swf;
	this.id = id;
	this.width = w;
	this.height = h;
	this.version = ver;
	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 += ' allowScriptAccess="sameDomain"';
        flashHTML += '></embed>';
    } else { // PC IE
        flashHTML += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="' + this.width + '" height="' + this.height + '" id="' + this.id + '" name="' + this.id + '" align="' + this.align + '">';
        flashHTML += '<param name="movie" value="' + this.swf + '" />';
		flashHTML += '<param name="allowScriptAccess" value="sameDomain" />'
        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) || this.doDetect=='false') {
		if (elementId) {
			document.getElementById(elementId).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);
			}
		}
	}		
}
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;
			//alert("flashVer="+flashVer);
		}
	}
	// 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
			//alert(reqMajorVer);
		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 detectFlash(ver) { return DetectFlashVer(ver, 0, 0) ? 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; }
}