function submit_contact_form()
{
	var error = false;
	var error_msg = '';
	
	if(getElement('txt_name').value == '')
	{
		error = true;
		error_msg += 'Please enter your name\n';
	}
	
	if(getElement('txt_phone').value == '')
	{
		error = true;
		error_msg += 'Please enter your phone number\n';
	}
	
	if(getElement('txt_email').value == '')
	{
		error = true;
		error_msg += 'Please enter your email address\n';
	}
	
	if(getElement('txt_msg').value == '')
	{
		error = true;
		error_msg += 'Please enter a message\n';
	}
	
	if(error)
	{
		alert(error_msg);
	}
	else
	{
		getElement('frm_contact').submit();
	}
		
}

function clear_contact_form()
{
	getElement('txt_name').value = '';
	getElement('txt_phone').value = '';
	getElement('txt_email').value = '';
	getElement('txt_msg').value = '';
}