if (screen.width==800||screen.height==600)
document.write('')
else if (screen.width==1024||screen.height==768)
document.write('')
else if (screen.width==1152||screen.height==864)
document.write('')
else if (screen.width==1280||screen.height==1024)
document.write('')
else if (screen.width==1400||screen.height==1050)
document.write('')
else
document.write('')