function isDemoOk()
{     
	IsOk=true;     
	bver=Math.round(parseFloat(navigator.appVersion) * 1000);
	if (navigator.appName.substring(0,8) == "Netscape")     
	{         
		if ((bver<5000) && (navigator.appVersion.indexOf("Mac")> 0))             
			IsOk=false;         
		else if (bver<4060)             
			IsOk=false;     
	}

	if (navigator.appName.substring(0,9) == "Microsoft")     
	{         
		if(bver<4000)
			IsOk=false;     
	}

	plugins=navigator.plugins;     

	if (plugins!=null && IsOk==false)     
	{
	         for(i=0;i!=plugins.length;i++)              
			if((plugins[i].name.indexOf("1.0")<0) && (plugins[i].name.indexOf("Java Plug-in")>=0))
		                  IsOk=true;     
	}

	return IsOk;
}

function openDemo(htmlFile,htmlWidth,htmlHeight)
{
	var bua = navigator.userAgent;     
	s = 'resizable=0,toolbar=0,menubar=0,scrollbars=0,status=0,location=0,directory=0';

	if(!isDemoOk())     
	{          
		open("http://www.turbodemo.com/error.html",'',s+',width=350,height=200');
	}     
	else
	{
		if (bua.indexOf("Opera")!= -1)       
		{
			myWindow = window.open(htmlFile+".htm",'','width='+htmlWidth+',height='+htmlHeight+',status=no');      
		}
		else
		{
			s = 'width=' + htmlWidth + ',height=' + htmlHeight;
			//s = 'width=100,height=100,status=0';

			myWindow = window.open(htmlFile+".htm",'TriSysDemo', s);      
		}
		myWindow.moveTo(0,0)
	}
}