X = screen.width
Y = screen.height

if(X >= 1280 && Y >= 1024){
document.write("<link rel='stylesheet' href='1280x1024style.css' type='text/css'>")
}

if(X < 1280 || Y < 1024){
document.write("<link rel='stylesheet' href='1024x768style.css' type='text/css'>")
}