var screen_ratio = screen.height/screen.width;
if(screen_ratio <= 0.5625) {
document.write("");
}
else if(screen_ratio <= 0.60) {
document.write("");
}
else if(screen_ratio <= 0.625) {
document.write("");
}
else if(screen_ratio <= 0.67) {
document.write("");
}
else if(screen_ratio <= 0.75) {
document.write("");
}
else {
document.write("");
}