/*


 * 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) {


				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) {	


	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;


	}


}