/*

* FlashObject embed

*

* by Geoff Stearns (geoff@choppingblock.com, http://www.choppingblock.com/)

*

* v1.0.7 - 11-17-2004

*

* Create and write a flash movie to the page, includes detection

*

* Usage:

*

*	myFlash = new FlashObject("path/to/swf.swf", "swfid", "width", "height", flashversion, "backgroundcolor");

*	myFlash.altTxt = "Upgrade your Flash Player!";                // optional

*	myFlash.addParam("wmode", "transparent");                     // optional

*	myFlash.addVariable("varname1", "varvalue");                  // optional

*	myFlash.addVariable("varname2", getQueryParamValue("myvar")); // optional

*	myFlash.write();

*

*/

FlashObject = function(swf, id, w, h, ver, c) {
	this.swf = swf;
	this.id = id;
	this.width = w;
	this.height = h;
	this.version = ver || 6; // default to 6
	this.align = "middle"; // default to middle
	this.redirect = "";
	this.sq = document.location.search.split("?")[1] || "";
	this.altTxt = "Please <a href='http://www.macromedia.com/go/getflashplayer'>upgrade your Flash Player</a>.";
	this.bypassTxt = "<p>Already have Flash Player? <a href='?detectflash=false&" + this.sq + "'>Click here if you have Flash Player " + this.version + " installed</a>.</p>";
	this.params = new Object();
	this.variables = new Object();
	if (c) this.color = this.addParam('bgcolor', c);
	this.addParam('quality', 'high'); // default to high
	this.doDetect = getQueryParamValue('detectflash');
}

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

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

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

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

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

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

FlashObject.prototype.getParamTags = function() {
	var paramTags = "";
	for (var param in this.getParams()) {
		paramTags += '<param name="' + param + '" value="' + this.getParam(param) + '" />';
	}
	if (paramTags == "") {
		paramTags = null;
	}
	return paramTags;
}

FlashObject.prototype.getHTML = function() {
	var flashHTML = "";
	if (window.ActiveXObject && navigator.userAgent.indexOf('Mac') == -1) { // PC IE
		flashHTML += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="' + this.width + '" height="' + this.height + '" id="' + this.id + '" align="' + this.align + '">';
		flashHTML += '<param name="movie" value="' + this.swf + '" />';
		if (this.getParamTags() != null) {
			flashHTML += this.getParamTags();
		}
		if (this.getVariablePairs() != null) {
			flashHTML += '<param name="flashVars" value="' + this.getVariablePairs() + '" />';
		}
		flashHTML += '</object>';
	}
	else { // Everyone else
		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() != null) {
			flashHTML += ' flashVars="' + this.getVariablePairs() + '"';
		}
		flashHTML += '></embed>';
	}
	return flashHTML;
}


FlashObject.prototype.getVariablePairs = function() {
	var variablePairs = new Array();
	for (var name in this.getVariables()) {
		variablePairs.push(name + "=" + escape(this.getVariable(name)));
	}
	if (variablePairs.length > 0) {
		return variablePairs.join("&");
	}
	else {
		return null;
	}
}

FlashObject.prototype.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 (elementId) {
				document.getElementById(elementId).innerHTML = this.altTxt + "" + this.bypassTxt;
			} else {
				document.write(this.altTxt + "" + this.bypassTxt);
			}
		}
	}
}

function getFlashVersion() {
	var flashversion = 0;
	if (navigator.plugins && navigator.plugins.length) {
		var x = navigator.plugins["Shockwave Flash"];
		if (x) {
			if (x.description) {
				flashversion = 0;
				var y = x.description.split(' ');
				for (var i = 0; i < y.length; i++)
					if (!isNaN(y[i])) {
					flashversion = y[i] + 0;
					break;
				}
			}
		}
	} 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) {
	if (getFlashVersion() >= ver) {
		return true;
	} else {
		return false;
	}
}

// get value of querystring param
function getQueryParamValue(param) {
	var q = document.location.search;
	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;
	}
}