/*

 * 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 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 += '></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) || 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);

			}

		}

	}		

}

/* ---- 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);

			var aux= y.charAt(y.indexOf('.')-2);

			if("0123456789".indexOf(aux)!=-1) flashversion=aux+flashversion;

		}

	} 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; }

}