function MM_openBrWindow(theURL,winName,features) { //v2.0
 okno = window.open(theURL,winName,features);
 okno.focus();
}

function popitup(url) {
	ww=1020;
	wh=760;
	if ((screen.width>=1024) && (screen.height>=768)) {
		ww=1020;
		wh=760;
	} else {
		ww=790;
		wh=570;
		url=url+'?r=800';
	}
	newWindowObj=window.open(url,'plakat','width='+ww+',height='+wh+',scrollbars=1,location=0,directories=0,status=0,menubar=0,toolbar=0,resizable=1,top=0,left=0');
	if (window.focus) {newWindowObj.focus()}
	return false;
}