<!-- begin
function jumpMenu(theObject) {
var URL
if (theObject.selectedIndex > 0) {
  if (theObject.name=="usuario") {
    numusu=theObject.options[theObject.selectedIndex].value
    theObject.selectedIndex = 0
    destino="../usuario"+numusu+".php"
    parent.location=destino
    }
  else {
    URL=theObject.options[theObject.selectedIndex].value
    theObject.selectedIndex = 0
    if (URL > "") {
       eval("parent.location='" + URL + "'");
       }
       else {
            return false;
       }
  }
}
}
function ventana(theObject){
if (theObject.selectedIndex > 0) {
    pagina=theObject.options[theObject.selectedIndex].value
    theObject.selectedIndex = 0
    nvaven(pagina,750,500)
}
}
// end -->