function GetUnity () {
		if (navigator.appVersion.indexOf("MSIE") != -1 && navigator.appVersion.toLowerCase().indexOf("win") != -1)
			return document.getElementById("UnityObject");
		else if (navigator.appVersion.toLowerCase().indexOf("safari") != -1)
			return document.getElementById("UnityObject");
		else
			return document.getElementById("UnityEmbed");
	}
	
	function DetectUnityWebPlayer () {
		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"]) {
        		if (navigator.mimeTypes["application/vnd.unity"].enabledPlugin && navigator.plugins && navigator.plugins["Unity Player"]) {
         			tInstalled = true;	
    			}
 			}	
		}
		return tInstalled;	
	}
	
	function GetInstallerPath () {
		var tDownloadURL = "";
		var hasXpi = navigator.userAgent.toLowerCase().indexOf( "firefox" ) != -1;
		
		// Use standalone installer
		if (1)
		{
			if (navigator.platform == "MacIntel")
				tDownloadURL = "http://webplayer.unity3d.com/download_webplayer-2.x/webplayer-i386.dmg";
			else if (navigator.platform == "MacPPC")
				tDownloadURL = "http://webplayer.unity3d.com/download_webplayer-2.x/webplayer-ppc.dmg";
			else if (navigator.platform.toLowerCase().indexOf("win") != -1)
				tDownloadURL = "http://webplayer.unity3d.com/download_webplayer-2.x/UnityWebPlayer.exe";
			return tDownloadURL;
		}
		// Use XPI installer
		else
		{
			if (navigator.platform == "MacIntel")
				tDownloadURL = "http://webplayer.unity3d.com/download_webplayer-2.x/UnityWebPlayerOSX.xpi";
			else if (navigator.platform == "MacPPC")
				tDownloadURL = "http://webplayer.unity3d.com/download_webplayer-2.x/UnityWebPlayerOSX.xpi";
			else if (navigator.platform.toLowerCase().indexOf("win") != -1)
				tDownloadURL = "http://webplayer.unity3d.com/download_webplayer-2.x/UnityWebPlayerWin32.xpi";
			return tDownloadURL;
		}    			
	}
	
	function AutomaticReload () {
		navigator.plugins.refresh();
		if (DetectUnityWebPlayer())
			window.location.reload();

		setTimeout('AutomaticReload()', 500)
	}
	
	function writeUnityTags (aSrc, aWidth, aHeight) {
		// write the content object and embed tags
		document.write("<object ");
		document.write("    classid='clsid:444785F1-DE89-4295-863A-D46C3A781394' \n");
		document.write("    codebase='http://webplayer.unity3d.com/download_webplayer/UnityWebPlayer.cab#version=2,0,0,0' \n");
		document.write("    id='UnityObject' width='" + aWidth + "' height='" + aHeight + "'  > \n");
		document.write("    <param name='src' value='" + aSrc + "' /> \n");
		document.write("    <embed type='application/vnd.unity' pluginspage='http://www.unity3d.com/unity-web-player-2.x' \n");
		document.write("        id='UnityEmbed' width='" + aWidth + "' height='" + aHeight + "' src='" + aSrc + "' \n");
		document.write("    /> \n");
		document.write("</object\>");
		
		// if Unity does not define to GetPluginVersion on Safari on 10.6, we presume the plugin
		// failed to load because it is not compatible with 64-bit Safari.
		if (navigator.appVersion.indexOf("Safari") != -1
			&& navigator.appVersion.indexOf("Mac OS X 10_6") != -1
			&& document.getElementById("UnityEmbed").GetPluginVersion == undefined)
			brokenUnity = true;

		// 2.5.0 cannot auto update on ppc. Treat as broken.

        else if (
            document.getElementById("UnityEmbed") &&
            document.getElementById("UnityEmbed").GetPluginVersion &&
            document.getElementById("UnityEmbed").GetPluginVersion() == "2.5.0f5" &&
            navigator.platform == "MacPPC"
        )
			brokenUnity = true;
	}
	
	function writeInstallerscreen(){
		var installerPath = GetInstallerPath();
		if (installerPath != "") {
			// Place a link to the right installer depending on the platform we are on. The iframe is very important! Our goals are:
			// 1. Don't have to popup new page
			// 2. This page still remains active, so our automatic reload script will refresh the page when the plugin is installed
			document.write('<div align="center" id="UnityPrompt"> \n');
			if (brokenUnity)
				document.write('  <a href= ' + installerPath + '><img src="http://webplayer.unity3d.com/installation/getunityrestart.png" border="0"/></a> \n');
			else
				document.write('  <a href= ' + installerPath + '><img src="http://webplayer.unity3d.com/installation/getunity.png" border="0"/></a> \n');
			document.write('</div> \n');
			
			// By default disable ActiveX cab installation, because we can't make a nice Install Now button
			// if (navigator.appVersion.indexOf("MSIE") != -1 && navigator.appVersion.toLowerCase().indexOf("win") != -1)
			if (0)
			{	
				document.write('<div id="InnerUnityPrompt"> <p>Title</p>');
				document.write('<p> Contents</p>');
				document.write("</div>");

				var innerUnityPrompt = document.getElementById("InnerUnityPrompt");
				
				var innerHtmlDoc =
					'<object id="UnityInstallerObject" classid="clsid:444785F1-DE89-4295-863A-D46C3A781394" width="320" height="50" codebase="http://webplayer.unity3d.com/download_webplayer-2.x/UnityWebPlayer.cab#version=2,0,0,0">\n' + 
				    '</object>';
				    
				innerUnityPrompt.innerHTML = innerHtmlDoc;
			}

			document.write('<iframe name="InstallerFrame" height="0" width="0" frameborder="0"></iframe>\n');
		}
		else {
			document.write('<div align="center" id="UnityPrompt"> \n');
			if (brokenUnity)
				document.write('  <a href="javascript: window.open("http://www.unity3d.com/unity-web-player-2.x"); "><img src="http://webplayer.unity3d.com/installation/getunityrestart.png" border="0"/></a> \n');
			else
				document.write('  <a href="javascript: window.open("http://www.unity3d.com/unity-web-player-2.x"); "><img src="http://webplayer.unity3d.com/installation/getunity.png" border="0"/></a> \n');
			document.write('</div> \n');
		}
		
		// hide broken player
		if (brokenUnity)
			document.getElementById("UnityEmbed").height = 0;
			
		// Reload when detected unity plugin - but only if no previous plugin is installed 
		// - in that case a browser restart is needed.
		if (!brokenUnity)
			AutomaticReload();	
	}
	
	var hasUnity = DetectUnityWebPlayer();
	var brokenUnity = false;
	
	function insertUnity(u, w, h)
	{
		if (hasUnity) writeUnityTags(u, w, h);
		if (!hasUnity || brokenUnity) writeInstallerscreen();
	}