var style = 'menur'
var folder = 'iconos/'
if (screen.width <= 800) {
document.write('<table align="right" bgcolor="000000" border="0" cellspacing="0" cellpadding="0"><tr>');
document.write('<td><img height="17" width="2" src="negro.gif"></td>');
if (url !=false) {tabla(); document.write('<td><img height="17" width="2" src="negro.gif"></td>');}
subir(); document.write('<td><img height="17" width="2" src="negro.gif"></td>');
if (history.length >= 1) {atras();  document.write('<td><img height="17" width="2" src="negro.gif"></td>');}
if (window.print) {imprimir();  document.write('<td><img height="17" width="2" src="negro.gif"></td>');}
principal(); document.write('<td><img height="17" width="2" src="negro.gif"></td>');
document.write('</tr></table>');}