var urlParam2 = function(name, w){
    w = w || window;
    var rx = new RegExp('[\&|\?]'+name+'=([^\&\#]+)'),
        val = w.location.search.match(rx);
    return !val ? '':val[1];
}

var bview = urlParam2('book');
bview = bview.replace(/%3D/g, "=");

if(bview){
window.location = 'https://bookslib.us/'+bview+'.html';
}