function validate()
{
	var frm = document.survey;
  var errors = "";
    
  if (is_empty(frm.surname))
		errors += "\n * Please enter your surname.";
	
  if (is_empty(frm.name))
		errors += "\n * Please enter your first name.";
  
	if (is_empty(frm.email))
		errors += "\n * Please enter your email address.";
	else
	{
		if(!is_email(document.getElementById('email').value))
			errors += "\n * Please enter a valid email address.";
	}
	
	if (is_empty(frm.city))
		errors += "\n * Please enter your city.";
	
	if(document.getElementById('country_id').value < 1)
		errors += "\n * Please select a valid country.";
	
	if (is_empty(frm.other_race))
		if(document.getElementById('race_id').value < 1)
			errors += "\n * Please select a valid race.";
	
	if(document.getElementById('return_yes').checked != true && document.getElementById('return_no').checked != true)
		errors += "\n * Please select if you would be interested in returning to SA.";
	
	if (errors != '')
	{
		errors = "Please correct the following error(s):" + errors;
		alert(errors);
		return false;    
  }
  else
		return true;
}
function validate_no()
{
	var frm = document.survey;
  var errors = "";
	
	/*
	if (is_empty(frm.miss_most1))
		errors += "\n * Please enter at least one word that you miss about SA.";
	*/
	if (errors != '')
	{
		errors = "Please correct the following error(s):" + errors;
		alert(errors);
		return false;    
  }
  else
		return true;
}
function validate_yes()
{
	var frm = document.survey;
  var errors = "";
	
	/*
	if (is_empty(frm.miss_most1))
		errors += "\n * Please enter at least one word that you miss about SA.";
	*/
	if (errors != '')
	{
		errors = "Please correct the following error(s):" + errors;
		alert(errors);
		return false;    
  }
  else
		return true;
}
function oneWordOnly(element)
{
	var id,val;
	val = document.getElementById(element).value;
	tmp = document.getElementById(element).value;
	for(var i=0;i<2;i++)
	{
		id = tmp.indexOf(' ');
		if(id > 0 )
		{
			sub_str= tmp.substr(0,id)+'_';
			str = tmp.substr((id+1));
			tmp = sub_str+str;
		}
	}
	id = tmp.indexOf(' ');
	if(id > 0)
	{
		alert('Three Words Only Please.');
		document.getElementById(element).value = val.substr(0,id);
	}
}