document.write('<a href="javascript:ts(\'VariaFont\',1)" title="Aumenta Texto">');

document.write('<img src="img/btones/aumenta.jpg" alt="Aumenta Texto" width="30" height="33"></a>');

document.write('<a href="javascript:ts(\'VariaFont\',-1)" title="Disminuye Texto">');

document.write('<img src="img/btones/disminuye.jpg" alt="Disminuye Texto" width="30" height="33"></a>');