function randInt(min,max)
{
var div = (max - min) + 1
var randNum = Math.random()
for (var i = 0; i <= div - 1; i++)
{
if (randNum >= i / div && randNum < (i+1) / div)
{return i + min}
}
}
var abc = randInt(1,4);
if (abc == 1) { document.write('
');
}
if (abc == 2) { document.write('
');
}
if (abc == 3) { document.write('
');
}
if (abc == 4) { document.write('
');
}