function popup(url, w, h){
	props = 'width='+w+',height='+h+',screenX=100,screenY=100,scrollbars=no';
	pwin = window.open(url, 'limx',props );
	pwin.focus();
}

function openpage(fr, t){
	if(window.opener && !window.opener.closed){
		window.opener.parent.frames[fr].location = t;
	}else{
	var tg= (fr=='left')? 'l' : 'r'; 
	var kette='http://limx.de/limx.php?'+tg+'='+t;
	var w = (screen.availWidth > 1000) ? 1024 : 800;
	var h = (screen.availHeight > 700) ? 780 : 600;
	var pr='location=yes,toolbar=yes,status=yes,menubar=yes,scrollbars=yes,titlebar=yes,resizable=yes,width='+w+',height='+h;
	var f = window.open(kette, 'mainframe',pr );
	f.focus();
	}
}