function abreJanela(janela)
{
window.open(janela,"abre","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width=456,height=356,left=150,top=75")
}

function cases(janela)
{
window.open(janela,"abre","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width=515,height=356,left=15,top=10")
}

function artigos(janela)
{
window.open(janela,"abre","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=725,height=420,left=10,top=30")
}

function abresite(janela)
{
if (navigator.appVersion >= "4") {
if (screen.width >= "700") {
var haxis=(window.screen.width-742)/2;
var vaxis=(window.screen.height-551)/2;
}
}
window.open(janela,"abre","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width=742,height=551,left="+haxis+",top="+vaxis+"")
}