function marksVisible() {
    o1 = document.getElementById('MainSearchTabSize_a');
    o1.className = 'Cur2';
    o2 = document.getElementById('MainSearchTabMark_a');
    o2.className = 'Cur2';
    o3 = document.getElementById('MainSearchTabSizeMoto_a');
    o3.className = 'Cur2';

    o4 = document.getElementById('marksBox');
    o4.className = 'MainSearchMarkContentBox';
    o5 = document.getElementById('dimsBox');
    o5.className = 'MainSearchSizeContentBox-hide';
    o6 = document.getElementById('dimsMotoBox');
    o6.className = 'MainSearchMotoSizeContentBox-hide';
}

function dimsVisible() {
    o1 = document.getElementById('MainSearchTabSize_a');
    o1.className = 'Cur1';
    o2 = document.getElementById('MainSearchTabMark_a');
    o2.className = 'Cur1';
    o3 = document.getElementById('MainSearchTabSizeMoto_a');
    o3.className = 'Cur1';

    o4 = document.getElementById('marksBox');
    o4.className = 'MainSearchMarkContentBox-hide';
    o5 = document.getElementById('dimsBox');
    o5.className = 'MainSearchSizeContentBox';
    o6 = document.getElementById('dimsMotoBox');
    o6.className = 'MainSearchMotoSizeContentBox-hide';
}

function dimsMotoVisible() {
    o1 = document.getElementById('MainSearchTabSize_a');
    o1.className = 'Cur3';
    o2 = document.getElementById('MainSearchTabMark_a');
    o2.className = 'Cur3';
    o3 = document.getElementById('MainSearchTabSizeMoto_a');
    o3.className = 'Cur3';

    o4 = document.getElementById('marksBox');
    o4.className = 'MainSearchMarkContentBox-hide';
    o5 = document.getElementById('dimsBox');
    o5.className = 'MainSearchSizeContentBox-hide';
    o6 = document.getElementById('dimsMotoBox');
    o6.className = 'MainSearchMotoSizeContentBox';
}