var sh=screen.height;
if (sh<768) sh=768;
var sz=568;
sz=sh-310;
document.write (("<td class='tabla_menu'><iframe class='ifr_m' name='menu1' src='menu.php' title='menu1' width='100%' height='") + sz + ("' hspace='0' vspace='0' frameborder='0' marginheight='0' marginwidth='0' scrolling='no'>iframe menu</iframe></td>"));
document.write (("<td class='tabla_page'><iframe class='ifr_b' name='body1' src='intro.php' title='body1' width='100%' height='") + sz + ("' hspace='0' vspace='0' frameborder='0' marginheight='0' marginwidth='0' scrolling='auto'>iframe body</iframe></td>"))