window.onload = function() {
    bindEvent();
};

function bindEvent() {
    // 娴姩渚ф爮瀹氶珮搴
    var fixedLeftBar = $('.fixed_left_bar').get(0);
    if(fixedLeftBar) {
        var winHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;
        var minHeight = winHeight - 110;
        var clientHeight = fixedLeftBar.clientHeight;
        var btnsHeight = $('.left_btns').get(0).clientHeight + 150;
        if(minHeight < btnsHeight) {
            fixedLeftBar.style.height = btnsHeight + 'px';
        }
    }
}