function resetSearchField(a,b){a.value=b}function changeSearchField(a,b){if(a.value==b)a.value="";else if(a.value=="")a.value=b}function fieldSearchEmpty(a,b){return a.value==b||a.value==""}function checkSearchForm(a,b,c){a=a.q;if(fieldSearchEmpty(a,b)){resetSearchField(a,b);return false}return true};