var gAutomaticReloadForwardObject = null;
function automaticReloadForward () {
	if (gAutomaticReloadForwardObject != null)
		gAutomaticReloadForwardObject.automaticReload();
}

if (typeof ut == "undefined") { var ut = new Object(); }
ut.UnityObject = function (u, i, w, h, downurl) {
    if (!document.getElementById) { return; }
    this.attributes = new Array();
    this.params = new Object();
    if (u) { this.setAttribute("src", u); }
    if (i) { this.setAttribute("id", i); }
    if (w) { this.setAttribute("width", w); }
    if (h) { this.setAttribute("height", h); }
    if (downurl) {  this.setAttribute("downloadUrl", downurl); }
}

ut.UnityObject.prototype = {	
	addParam: function (aName, aValue)
	{
		this.params[aName] = aValue;
	},
    
    automaticReload: function ()
    {
		gAutomaticReloadForwardObject = null;
		navigator.plugins.refresh();
		if (this.detectUnityWebPlayer())
		{
			window.location.reload();
		}
		else
		{
			gAutomaticReloadForwardObject = this;
			setTimeout('automaticReloadForward()', 500);
		}
    },

    detectUnityWebPlayer: function ()
    {
    	var tInstalled = false;
        if (navigator.appVersion.indexOf("MSIE") != -1 && navigator.appVersion.toLowerCase().indexOf("win") != -1)
        {
			tInstalled = DetectUnityWebPlayerActiveX();
        }
        else
        {
		  if (navigator.mimeTypes && navigator.mimeTypes["application/vnd.unity"] && navigator.mimeTypes["application/vnd.unity"].enabledPlugin)
		  {
				if (navigator.plugins && navigator.plugins["Unity Player"])
				{
					tInstalled = true;	
				}
			}
        }
        return tInstalled;	
    },
    
    findEar: function () {
		    this.unityEar = "";
        if (navigator.appVersion.indexOf("MSIE") != -1 && navigator.appVersion.toLowerCase().indexOf("win") != -1) {
			      this.unityEar = document.getElementById(this.getAttribute("id") + "_object");
		    } else if (navigator.appVersion.toLowerCase().indexOf("safari") != -1) {
			      this.unityEar = document.getElementById(this.getAttribute("id") + "_object")
		    } else {
			      this.unityEar = document.getElementById(this.getAttribute("id") + "_embed");
		    }
    	  document.Unity = this.unityEar;
    },	  
	  getAttribute: function (aName) {
		    return this.attributes[aName];
	  },  
	  getParams: function () {
		    return this.params;
	  },	    
    getInstallerPath: function ()
    {
		var tDownloadURL = "";
		
		if (navigator.platform == "MacIntel") {
			tDownloadURL = this.getAttribute("downloadUrl") + "/webplayer-i386.dmg";
		}
		else if (navigator.platform == "MacPPC") {
			tDownloadURL = this.getAttribute("downloadUrl") + "/webplayer-ppc.dmg";
		}
		else if (navigator.platform.toLowerCase().indexOf("win") != -1) {
			tDownloadURL = this.getAttribute("downloadUrl") + "/UnityWebPlayer.exe";
		}
		//alert(this.getAttribute("downloadUrl"));

		return tDownloadURL;
    },   
    msg: function (aObj, aFunc, aVar) {
        this.unityEar.SendMessage(aObj, aFunc, aVar);
    },
    setAttribute: function (aName, aValue) {
		    this.attributes[aName] = aValue;
	  },	  
    write: function (aElementId) {
    
    	// Write the VB detection script once
		if (navigator.appVersion.indexOf("MSIE") != -1 && navigator.appVersion.toLowerCase().indexOf("win") != -1) {
			document.write(" \n");
			document.write("<script language='VBscript'> \n");
			document.write("function DetectUnityWebPlayerActiveX \n");
			document.write("on error resume next \n");
			document.write("dim tControl \n");
			document.write("dim res \n");
			document.write("res = 0 \n");
			document.write("set tControl = CreateObject(\"UnityWebPlayer.UnityWebPlayer.1\") \n");
			document.write("if IsObject(tControl) then \n");
			document.write("res = 1 \n");
			document.write("end if \n");
			document.write("DetectUnityWebPlayerActiveX = res\n");
			document.write("end function\n");
			document.write("</script>\n");
		}
    
		if (this.detectUnityWebPlayer()) {
       		  document.write(this.writeEmbedDOM());
       		  this.findEar();
        	  return true;
        } else {
			document.write("<div align='center' id='UnityPrompt' style=' width:1020px;");
			if (this.getAttribute("backgroundcolor"))
			{
				document.write(" background-color: #" + this.GetAttribute("backgroundcolor") + ";"); }
				document.write("'> \n");
			}			
			var tInstallerPath = this.getInstallerPath();
			if (tInstallerPath != "") {
				document.write("<a href='" + tInstallerPath + "'><img src='http://webplayer.unity3d.com/installation/getunity.png' border='0'/></a> \n");

			document.write("</div> \n");
			this.automaticReload();
			return false;
        }
    },
    writeEmbedDOM: function()
    {
		var tUniSrc = "";

		tUniSrc += "<object classid='clsid:444785F1-DE89-4295-863A-D46C3A781394' codebase='"+ this.getAttribute("downloadUrl") + "/UnityWebPlayer.cab#version=2,0,0,0'";

		tUniSrc += "id='" + this.getAttribute("id") + "_object' width='" + this.getAttribute("width") + "' height='" + this.getAttribute("height") + "'><param name='src' value='" + this.getAttribute("src") + "' />"; 
		var params = this.getParams();
		for(var key in params)
		{
			tUniSrc += "<param name='" + key + "' value='" + params[key] + "' />";
		}

		tUniSrc += "<embed type='application/vnd.unity' pluginspage='http://www.unity3d.com/unity-web-player-2.x' ";

		tUniSrc += "id='" + this.getAttribute("id") + "_embed' width='" + this.getAttribute("width") + "' height='" + this.getAttribute("height") + "' src='" + this.getAttribute("src") + "' ";
		var params = this.getParams();
		for(var key in params)
		{
			tUniSrc += [key] + "='" + params[key] + "' ";
		}
		tUniSrc += " /></object\>";
		return tUniSrc;
    }
}
if (!document.getElementById && document.all) { document.getElementById = function(id) { return document.all[id]; }}
var UnityObject = ut.UnityObject;