function Nahled(x,y,title,obr)
{
// vycentrovani obrazku
pos_x=(screen.width-x)/2;
pos_y=(screen.height-y)/2;
setup='width='+x+',height='+y+',top='+pos_y+',left='+pos_x+',resizable=1, scrollbars=1';
pop = window.open ("","nove",setup);
with (pop)
{
document.write(''+title+'');
document.write('');
document.write('
');
document.write('');
document.close();
}
}