function start1 ()
{
var hoehe;
var breite;
var win;
hoehe=screen.height;
breite=screen.width;
	if (hoehe==600 & breite==800)
	{
win=window.open ("intro.htm","","height=" + (screen.availHeight - 30) + ",width=" + (screen.availWidth - 1) + ",left=0,top=0,resizeable=no,scrollbars=no,status=no,titlebar=no,toolbar=no,menubar=no");

	}
	
	else
	{
win=window.open ("intro.htm","","height=" + (screen.availHeight - 30) + ",width=" + (screen.availWidth - 5) + ",left=0,top=0,resizeable=no,scrollbars=no,status=no,titlebar=no,toolbar=no,menubar=no");
	}
}