function validateContactFields()
{
    var nameDefault = 'Your Name';
    var emailDefault = 'Email';
    var questionDefault = 'Question / Message / Note';

    var name = document.getElementById('name');    
    var email = document.getElementById('email');
    var question = document.getElementById('question');
    var isValid = document.getElementById('isValid');
    
       
    if (name.value != '' && name.value != nameDefault &&
        email.value != '' && email.value != emailDefault &&
        question.value != '' && question.value != questionDefault)
    {
        isValid.value = 'true';
        return true;
    }
    else 
    {        
        alert('Fields marked with "*" are required');
        isValid.value = 'false';
        return false;
    }
}

function validateSearchField()
{
    var retVal = false;
    var searchFieldDefault = 'Search ...';
    var searchField = document.getElementById('search_field');
    
    if (searchField.value != '' && searchField.value != searchFieldDefault)
    {
        retVal = true;
    }
    return retVal;
}