function MM_jumpMenu_alvaro(targ,selObj,restore){ //v3.0
var so_id = selObj.options[selObj.selectedIndex].value.split("=");

if (so_id[1] > 70){
window.open("../revista/index.php?id_revista="+so_id[1], '', '');
}else{
window.open(selObj.options[selObj.selectedIndex].value, '', '');
}

if (restore) selObj.selectedIndex=0;
}