function headerSearch() {
    var criteria = document.getElementById('searchField').value;
    var frm = document.getElementById('searchForm');
    
    // If there is a value in the search field use the GoA search, if not go to the MAH advanced search page.
    
    if (criteria.replace(/\s+$/,"").replace(/^\s+/,"")) {
        frm.action = "http://search.gov.ab.ca/mah/query.html";
    }else{
        frm.action = "http://www.municipalaffairs.gov.ab.ca/search.cfm";
    }
    
    //alert (criteria);
    //alert (frm.action);
    
    document.frm.submit;
}