function toggleFindLocation(txtID, type)
{
    var txtbox = document.getElementById(txtID);
    
    if (type == 'focus' && txtbox.value == 'Enter zip code')
    {
        txtbox.value = '';
        txtbox.style.color = 'Black';
    }
    
    if (type == 'blur' && txtbox.value == '')
    {
        txtbox.value = 'Enter zip code';
        txtbox.style.color = 'Gray';    
    }
}