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.addParam('wmode', 'transparent'); // add transparency
	this.addParam('menu', 'false'); // no menu
	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);
		}
	} 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 "";
		}
	}
}