<!--- oculta el script para navegadores antiguos

function checkElement(el_obj)
{
  var result = true;
  if(el_obj.options==null) {
    if(el_obj.value=="") result = false;
  } else if(el_obj.selectedIndex==0) result = false;
  return result;
}

function formValid()
{

  var i = 0;
      j = 0;
      StringToView = "";
      IsValidated = true;
      NeedToCheckElement = true;
      DontCheck = new Array("Comments");

  for(i=0; i<document.forms[0].elements.length; i++) {
     if(DontCheck.length==0) {
       if(checkElement(document.forms[0].elements[i])==false) IsValidated=false;
     } else {
       NeedToCheckElement = true;
       for(j=0; j<DontCheck.length; j++) if(document.forms[0].elements[i].name==DontCheck[j]) NeedToCheckElement = false;
       if(NeedToCheckElement) {
         if(!checkElement(document.forms[0].elements[i])) IsValidated=false;
       }
     }
  }


  if(IsValidated==false)
  {
    alert('Favor llenar el formulario completamente');
    return false;
  } else {
    for(i=0; i<document.forms[0].elements.length; i++)
      if(document.forms[0].elements[i].type=="text") StringToView=StringToView + document.forms[0].elements[i].name + ": " + document.forms[0].elements[i].value + "\n\n";
    if(confirm(StringToView + "\nSi la información es correcta. Pulse aceptar")) document.forms[0].submit();
    return true;
  }
}

// end hiding from old browsers -->