function populateFilters(searchForm) {
    new Ajax.Updater("pathwayFilter", "/pathways/filter-cp-da-dropdowns.do", {parameters:Form.serialize(searchForm), asynchronous:true});
}

function clearForm(searchForm) {
    searchForm['searchTerms'].value = '';
    searchForm['diseaseAreaIds'].value = '';
    searchForm['cellProcessIds'].value = '';
    populateFilters(searchForm);
}