function canli(){
genislik=400;
yukseklik=350;
sol=(screen.width-genislik)/2;
ust=(screen.height-yukseklik)/2;
ref=location.href;
pen = open("http://www.turkuazbilisim.com.tr/canli/canli.php?bolum=giris&ref="+ref,"capcanli","width="+genislik+",height="+yukseklik+",left="+sol+",top="+ust);
}