nm=20000;
setTimeout('document.getElementById("sw1").style.visibility="hidden"',nm);
setTimeout('document.getElementById("sw2").style.visibility="visible"',nm);
setTimeout('document.getElementById("sw2").style.visibility="hidden"',(nm*2));
setTimeout('document.getElementById("sw3").style.visibility="visible"',(nm*2));
setTimeout('document.getElementById("sw3").style.visibility="hidden"',(nm*3));
setTimeout('document.getElementById("sw4").style.visibility="visible"',(nm*3));
setTimeout('document.getElementById("sw4").style.visibility="hidden"',(nm*4));
setTimeout('document.getElementById("sw5").style.visibility="visible"',(nm*4));
setTimeout('document.getElementById("sw5").style.visibility="hidden"',(nm*5));
setTimeout('document.getElementById("sw6").style.visibility="visible"',(nm*5));
setTimeout('document.getElementById("sw6").style.visibility="hidden"',(nm*6));
setTimeout('document.getElementById("sw7").style.visibility="visible"',(nm*6));
setTimeout('document.getElementById("sw7").style.visibility="hidden"',(nm*7));
setTimeout('document.getElementById("sw8").style.visibility="visible"',(nm*7));
setTimeout('document.getElementById("sw8").style.visibility="hidden"',(nm*8));
setTimeout('document.getElementById("sw9").style.visibility="visible"',(nm*8));
setTimeout('document.getElementById("sw9").style.visibility="hidden"',(nm*9));
setTimeout('document.getElementById("sw10").style.visibility="visible"',(nm*9));
setTimeout('document.getElementById("sw10").style.visibility="hidden"',(nm*10));
setTimeout('document.getElementById("sw11").style.visibility="visible"',(nm*10));
setTimeout('document.getElementById("sw11").style.visibility="hidden"',(nm*11));
setTimeout('document.getElementById("sw12").style.visibility="visible"',(nm*11));
setTimeout('document.getElementById("sw12").style.visibility="hidden"',(nm*12));
setTimeout('document.getElementById("sw13").style.visibility="visible"',(nm*12));
setTimeout('document.getElementById("sw13").style.visibility="hidden"',(nm*13));
setTimeout('document.getElementById("sw14").style.visibility="visible"',(nm*13));
setTimeout('document.getElementById("sw14").style.visibility="hidden"',(nm*14));
setTimeout('document.getElementById("sw15").style.visibility="visible"',(nm*14));
setTimeout('document.getElementById("sw15").style.visibility="hidden"',(nm*15));
setTimeout('document.getElementById("sw16").style.visibility="visible"',(nm*15));
setTimeout('document.getElementById("sw16").style.visibility="hidden"',(nm*16));
setTimeout('document.getElementById("sw17").style.visibility="visible"',(nm*16));
setTimeout('document.getElementById("sw17").style.visibility="hidden"',(nm*17));
setTimeout('document.getElementById("sw18").style.visibility="visible"',(nm*17));
setTimeout('document.getElementById("sw18").style.visibility="hidden"',(nm*18));
setTimeout('document.getElementById("sw19").style.visibility="visible"',(nm*18));
setTimeout('document.getElementById("sw19").style.visibility="hidden"',(nm*19));
setTimeout('document.getElementById("sw20").style.visibility="visible"',(nm*19));
setTimeout('document.getElementById("sw20").style.visibility="hidden"',(nm*20));
setTimeout('document.getElementById("sw21").style.visibility="visible"',(nm*20));
setTimeout('document.getElementById("sw21").style.visibility="hidden"',(nm*21));
setTimeout('document.getElementById("sw22").style.visibility="visible"',(nm*21));
setTimeout('document.getElementById("sw22").style.visibility="hidden"',(nm*22));
setTimeout('document.getElementById("sw23").style.visibility="visible"',(nm*22));
setTimeout('document.getElementById("sw23").style.visibility="hidden"',(nm*23));
setTimeout('document.getElementById("sw24").style.visibility="visible"',(nm*23));
setTimeout('document.getElementById("sw24").style.visibility="hidden"',(nm*24));
setTimeout('document.getElementById("sw25").style.visibility="visible"',(nm*24));
setTimeout('document.getElementById("sw25").style.visibility="hidden"',(nm*25));
setTimeout('document.getElementById("sw26").style.visibility="visible"',(nm*25));
setTimeout('document.getElementById("sw26").style.visibility="hidden"',(nm*26));
setTimeout('document.getElementById("sw27").style.visibility="visible"',(nm*26));
setTimeout('document.getElementById("sw27").style.visibility="hidden"',(nm*27));
setTimeout('document.getElementById("sw28").style.visibility="visible"',(nm*27));
setTimeout('document.getElementById("sw28").style.visibility="hidden"',(nm*28));
setTimeout('document.getElementById("sw29").style.visibility="visible"',(nm*28));
setTimeout('document.getElementById("sw29").style.visibility="hidden"',(nm*29));
setTimeout('document.getElementById("sw30").style.visibility="visible"',(nm*29));
setTimeout('document.getElementById("sw30").style.visibility="hidden"',(nm*30));
setTimeout('document.getElementById("sw31").style.visibility="visible"',(nm*30));
setTimeout('document.getElementById("sw31").style.visibility="hidden"',(nm*31));
setTimeout('document.getElementById("sw32").style.visibility="visible"',(nm*31));
setTimeout('document.getElementById("sw32").style.visibility="hidden"',(nm*32));
setTimeout('document.getElementById("sw33").style.visibility="visible"',(nm*32));
setTimeout('document.getElementById("sw33").style.visibility="hidden"',(nm*33));
setTimeout('document.getElementById("sw34").style.visibility="visible"',(nm*33));
setTimeout('document.getElementById("sw34").style.visibility="hidden"',(nm*34));
setTimeout('document.getElementById("sw35").style.visibility="visible"',(nm*34));
setTimeout('document.getElementById("sw35").style.visibility="hidden"',(nm*35));
setTimeout('document.getElementById("sw36").style.visibility="visible"',(nm*35));
setTimeout('document.getElementById("sw36").style.visibility="hidden"',(nm*36));
setTimeout('document.getElementById("sw37").style.visibility="visible"',(nm*36));
setTimeout('document.getElementById("sw37").style.visibility="hidden"',(nm*37));
setTimeout('document.getElementById("sw38").style.visibility="visible"',(nm*37));
setTimeout('document.getElementById("sw38").style.visibility="hidden"',(nm*38));
setTimeout('document.getElementById("sw39").style.visibility="visible"',(nm*38));
setTimeout('document.getElementById("sw39").style.visibility="hidden"',(nm*40));
setTimeout('document.getElementById("sw40").style.visibility="visible"',(nm*40));