img = new Array(10);
img[0] = "Zmien operatora na Ecotel. Abonament 100 min. tylko za 39,90 zl brutto";
img[1] = "
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img[2] = "
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img[3] = "
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img[4] = "
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img[5] = "
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img[6] = "
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img[7] = "
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img[8] = "
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img[9] = "
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img[10] = "
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index = Math.floor(Math.random() * img.length);
document.write( img[index] );