var x;
if(self.innerHeight) // all except Explorer
{
x = self.innerHeight;
y = self.innerWidth;
}
else if (document.documentElement && document.documentElement.clientHeight) //Explorer 6 Strict Mode
{
x = document.documentElement.clientHeight;
y = document.documentElement.clientWidth;
}
else if (document.body) // other Explorers
{
x = document.body.clientHeight;
y = document.body.clientWidth;
}
if (x <= 600){
document.write('\n');
}
if (y <= 960){
document.write('\n');
}