<!--
  
function validar(form) {

if ((form.firstname.value == null) || (form.firstname.value=="")) {
 alert("Please enter your first name");
 form.firstname.focus();
 return false;
}

if ((form.surname.value == null) || (form.surname.value=="")) {
 alert("Please enter your Surname");
 form.surname.focus();
 return false;
}

if (!form.sex[0].checked && !form.sex[1].checked){
 alert("Please select your sex");
 return false;
}

if ((form.email.value == null) || (form.email.value=="") || (form.email.value.indexOf("@") == -1)) {
 alert("Please enter a valid address");
 form.email.focus();
 return false;
}	

op = form.country.selectedIndex;
opcion = form.country.options[op].value;
if (opcion=="Not Select") {
   alert('Please select your country');
   form.country.focus();
   return false;
}


if ((form.message.value == null) || (form.message.value=="")) {
 alert("Please enter your message");
 form.message.focus();
 return false;
}

if ((form.answer.value == null) || (form.answer.value=="")) {
 alert("Please enter your answer");
 form.answer.focus();
 return false;
}

return true;
}


function valiaddurla(form) {

op = form.aswtc.selectedIndex;
opcion = form.aswtc.options[op].value;
if (opcion=="Not Select") {
   alert('Please select your answer');
   form.aswtc.focus();
   return false;

}

return true;
}

function valiaddurlb(form) {

if ((form.firstname.value == null) || (form.firstname.value=="")) {
 alert("Please enter your first name");
 form.firstname.focus();
 return false;
}

if ((form.surname.value == null) || (form.surname.value=="")) {
 alert("Please enter your Surname");
 form.surname.focus();
 return false;
}

if ((form.email.value == null) || (form.email.value=="") || (form.email.value.indexOf("@") == -1)) {
 alert("Please enter a valid address");
 form.email.focus();
 return false;
}

op = form.country.selectedIndex;
opcion = form.country.options[op].value;
if (opcion=="Not Select") {
   alert('Please select your country');
   form.country.focus();
   return false;
}

if ((form.url.value == null) || (form.url.value=="")) {
 alert("Please enter the url of your site");
 form.url.focus();
 return false;
}

if ((form.title.value == null) || (form.title.value=="")) {
 alert("Please enter the title of your site");
 form.title.focus();
 return false;
}

if ((form.description.value == null) || (form.description.value=="")) {
 alert("Please enter the description of your site");
 form.description.focus();
 return false;
}


if ((form.reciprocal1.value == null) || (form.reciprocal1.value=="")) {
 alert("Please enter the url of reciprocal link 1");
 form.reciprocal1.focus();
 return false;
}

if ((form.reciprocal2.value == null) || (form.reciprocal2.value=="")) {
 alert("Please enter the url of reciprocal link 2");
 form.reciprocal2.focus();
 return false;
}

if ((form.reciprocal3.value == null) || (form.reciprocal3.value=="")) {
 alert("Please enter the url of reciprocal link 3");
 form.reciprocal3.focus();
 return false;
}

if ((form.reciprocal4.value == null) || (form.reciprocal4.value=="")) {
 alert("Please enter the url of reciprocal link 3");
 form.reciprocal4.focus();
 return false;
}

if ((form.answer.value == null) || (form.answer.value=="")) {
 alert('Please select your answer');
 form.answer.focus();
 return false;
}

return true;
}

// -->