var date_header = new Date();
var Hday = date_header.getDate();
var Hmonth = date_header.getMonth();
//alert("dia: " + Hday + " - " + "mes: " + Hmonth);

if(Hday == "5" && Hmonth == "5")
{
    header_banner = "images/banner/date_banner/top_0605.jpg";
}
else if(date_header.getHours() >= 0 && date_header.getHours() < 2)
{
    header_banner = "images/banner/top_noche5.jpg";
}
else if(date_header.getHours() >= 2 && date_header.getHours() < 4)
{
    header_banner = "images/banner/top_noche3.jpg";
}
else if(date_header.getHours() >= 4 && date_header.getHours() < 6)
{
    header_banner = "images/banner/top_noche6.jpg";
}
else if(date_header.getHours() >= 6 && date_header.getHours() < 8)
{
    header_banner = "images/banner/top_noche2.jpg";
}
else if(date_header.getHours() >= 8 && date_header.getHours() < 10)
{
    header_banner = "images/banner/top_dia5.jpg";
}
else if(date_header.getHours() >= 10 && date_header.getHours() < 12)
{
    header_banner = "images/banner/top_dia1.jpg";
}
else if(date_header.getHours() >= 12 && date_header.getHours() < 14)
{
    header_banner = "images/banner/top_dia3.jpg";
}
else if(date_header.getHours() >= 14 && date_header.getHours() < 16)
{
    header_banner = "images/banner/top_dia2.jpg";
}
else if(date_header.getHours() >= 16 && date_header.getHours() < 18)
{
    header_banner = "images/banner/top_dia4.jpg";
}
else if(date_header.getHours() >= 18 && date_header.getHours() < 20)
{
    header_banner = "images/banner/top_dia4.jpg";
}
else if(date_header.getHours() >= 20 && date_header.getHours() < 22)
{
    header_banner = "images/banner/top_noche1.jpg";
}
else if(date_header.getHours() >= 22 && date_header.getHours() < 24)
{
    header_banner = "images/banner/top_noche4.jpg";
}
else{
    header_banner = "images/banner/top_dia3.jpg";
}