function up(id){
obr='img/m_'+id+'_.gif';
document.images[id].src=obr;
}

function down(id){
obr='img/m_'+id+'.gif';
document.images[id].src=obr;
}

function otworz(zaw,sz,wy,wer){
adres="_photos.php?"+zaw+"&"+wy+"&"+sz+"&"+wer;
wy+=60;sz+=20;
zdj=window.open(adres,'',"toolbar=no,width="+sz+", height="+wy+", left=20, top=20");
}