var dateObj = new Date();
var h = dateObj.getHours();
if((h >= 4.5) && (h < 7)){
document.write('');
}
else if((h >= 7) && (h < 16))
{
document.write('');
}
else if((h >= 16) && (h < 18))
{
document.write('');
}
else if((h >= 18) && (h <= 23))
{
document.write('');
}
else if((h >= 0) && (h < 4.5))
{
document.write('');
}