function open_r( fotog, w, h )
{
    var w;
    var h;

    window.open(fotog,"_blank","top=80,left=140,resizable=no,location=no,toolbar=no,status=no,menubar=no,copyhistory=no,scrollbars=no,width="+w+",height="+h+"");
}
function open_s( url, w, h )
{
    var w;
    var h;

    window.open(url,"produto","top=80,left=140,resizable=no,location=no,toolbar=no,status=no,menubar=no,copyhistory=no,scrollbars=yes,width="+w+",height="+h+"");
}
function open_f( url )
{
    window.open(url,"Fornecedor","top=80,left=140,resizable=no,location=no,toolbar=no,status=no,menubar=no,copyhistory=no,scrollbars=no,width=300,height=300");
}