function contact_me()
{
	 var msg = "";
	  if (document.contactme.nombre2.value == "")
		     msg += "Name is required \n";
	  if (document.contactme.direccion.value == "")
		     msg += "Direccion is required \n";
	  if (!isValidEmail(document.contactme.email.value)) 
		  msg += "Email address is required \n";
	  if (document.contactme.ciudad.value == "")
		  msg += "Ciudad required \n";
	  if (document.contactme.telefono2.value == "")
		     msg += "Phone is required \n";
	  if (document.contactme.comentarios.value == "")
		     msg += "Comentarios is required \n";
	  
	  
	  
	  if (msg != "")
	     {
		    alert(msg);
			return false;
		 }
	 else
		 return true;
	
}

function isValidEmail(email, required) {
    if (required==undefined) {   // if not specified, assume it's required
        required=true;
    }
    if (email==null) {
        if (required) {
            return false;
        }
        return true;
    }
    if (email.length==0) {  
        if (required) {
            return false;
        }
        return true;
    }
    if (! allValidChars(email)) {  // check to make sure all characters are valid
        return false;
    }
    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
        return false;
    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
        return false;
    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
        return false;
    } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
	return false;
    } else if (email.indexOf(".") == email.length) {  // . must not be the last character
	return false;
    }
    return true;
}

function allValidChars(email) {
  var parsed = true;
  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";
  for (var i=0; i < email.length; i++) {
    var letter = email.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}
function add_comment()
{
	var d=$('comment');
	if (d.name.value=='')
		{
			alert('Name is required.');	
			d.name.focus();
			return;
		}
	 
	if (d.comments.value=='')
		{
			alert('Comment is required.');	
			d.comments.focus();
			return;
		}
	var url='js/contact.php';
	var pars='st=comment&' + Form.serialize('comment');
	var myAjax=new Ajax.Updater('comment',url,{method:'post',parameters:pars,evalScripts:true});
}