/* 
	controleer de browser en schermgrootte.
	alleen browsers en schermgroottes die getest zijn worden ondersteund.	
*/

/* alert("[" + navigator.appName + "][" + navigator.appVersion + "]"); */
var Status;
Status=1;
if (navigator.appName!='Microsoft Internet Explorer')
{
	/* Browser niet van Microsoft */
	Status=1;
}
else
{
	var av=navigator.appVersion;
	i=av.indexOf('MSIE')+5;
	av=av.substring(i,i+1);
	if (av<'5')
	{
		/* MS Browser versie is te oud. */
		Status=1;
	}
	else
	{
		Status=0;
	}
}

if (navigator.appName=='Netscape')
{
	/* Netscape ook ok */
	
	Status=3;
}

if (screen.width<1024)
{
	/* "Scherm is klein" */
	Status=2;
}

if (screen.width<800)
{
	/* "Scherm is te klein" */
	Status=1;
}


switch (Status) {
	case 0:
		location.replace('frames.htm');
		break;
	case 1:
		location.replace('browser_not_supported.htm');
		break;
	case 2:
		location.replace('frames2.htm');
		break;
	case 3:
		location.replace('frames3.htm');
		break;		
	default:
		alert("Fell through..");
}