//href="javascript:OpenHtm(300, 300);">

function OpenHtm(szer,wys) 
{
odlewa=(screen.width-szer)/2;
odgory=(screen.height-wys)/3;
zmienne='left='+odlewa+',top='+odgory+',width='+szer+',height='+wys+',innerheight='+wys+',innerwidth='+szer+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no';
window.open('popup.php','elpartner',zmienne);
}