let home = this.getRequestParam('home')
if(home==null){
    localStorage.removeItem('home');

    let style = document.createElement('style');
    console.log("lang="+LANG_CODE);
    if( LANG_CODE == 'sc' ){
        style.textContent = "body{font-family: 'PingFang SC','Lucida Grande','Hiragino Kaku Gothic ProN','SimSun',Meiryo,sans-serif;}";
    }
    else if( LANG_CODE == 'tc' ){
        style.textContent = "body{font-family: 'PingFang TC','Lucida Grande','Hiragino Kaku Gothic ProN','Microsoft JhengHei',Meiryo,sans-serif;}";
    }
    document.getElementsByTagName('head')[0].appendChild(style);
}
else{
    localStorage.setItem('home',1);
}
window.onload = () => {
    let btns = document.getElementsByClassName('btn-link');
    for( let i=0; i<btns.length; i++ ){
        btns[i].onfocus = () => {
            btns[i].style.cssText = 'background-color: #FFCC00E5;';
        }
        btns[i].onblur = () => {
            btns[i].style.cssText = 'background-color: #2878CC7F;';
        }
        btns[i].onmouseover = () => {
            btns[i].focus();
        }
    }
}
function getRequestParam(name) {
    const url = window.location.href;
    name = name.replace(/[\[\]]/g, "\\$&");
    let regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
        results = regex.exec(url);
    if (!results) return null;
    if (!results[2]) return '';
    return decodeURIComponent(results[2].replace(/\+/g, " "));
}