function initSearchForm() {
        trademarks = document.searchForm.trademarks;
        trademarks.options.length = 0;
        optionNum = 0;
        for (i in arrBrands) {
                makeRecord = arrBrands[i];
                option = new Option(makeRecord[1], makeRecord[0]);
                trademarks.options[optionNum] = option;
                optionNum++;
                }
        }

function selectBrand(id) {
        models = document.searchForm.models;
        models.options.length = 0;
        optionNum = 0;
        for (i in arrModels[id]) {
                makeRecord = arrModels[id][i];
                option = new Option(makeRecord[1], makeRecord[0]);
                models.options[optionNum] = option;
                optionNum++;
                }
        }
function initSearchForm2() {
        trademarks = document.searchForm2.trademarks2;
        trademarks.options.length = 0;
        optionNum2 = 0;
        for (i in arrBrands2) {
                makeRecord2 = arrBrands2[i];
                option = new Option(makeRecord2[1], makeRecord2[0]);
                trademarks.options[optionNum2] = option;
                optionNum2++;
                }
        }

function selectBrand2(id) {
        models = document.searchForm2.models2;
        models.options.length = 0;
        optionNum2 = 0;
        for (i in arrModels2[id]) {
                makeRecord2 = arrModels2[id][i];
                option = new Option(makeRecord2[1], makeRecord2[0]);
                models.options[optionNum2] = option;
                optionNum2++;
                }
        }

function checkFieldsSearch() {
        if (document.searchForm.width.value=="0" || document.searchForm.height.value=="0" || document.searchForm.radius.value=="0") {
                alert("Извините, но поля: Ширина, Высота и Радиус - \n должны быть выбраны.");
                return false;
                }
        else {
                return true;
                }
        }