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,width=820,height=480';
	
	if(!isDemoOk())
	{
		open("Error",'',s);
	}
	else
	{
		if (bua.indexOf("Opera")!= -1) 	
		{
			window.open(htmlFile,'','width='+htmlWidth+',height='+htmlHeight+',top=10,left=10');
		}
		else
		{
			window.open(htmlFile,'','width='+htmlWidth+',height='+htmlHeight+',top=10,left=10');
		}
	}
}