function addToKorzina(id){
  newWin1=document.open('korzina.php?action=add&id='+id, 'newWin', 'scrollbars=yes,status=yes,width=800,height=500');
  newWin1.focus();
}
function korzina(){
  newWin1=document.open('korzina.php?action=open', 'newWin', 'scrollbars=yes,status=yes,width=800,height=500');
  newWin1.focus();
}