var TemplateEngine = function(html, options) {

    var re = /<%([^%>]+)?%>/g, reExp = /(^( )?(if|for|else|switch|case|break|{|}))(.*)?/g, code = 'var r=[];\n', cursor = 0;

    var add = function(line, js) {

        js? (code += line.match(reExp) ? line + '\n' : 'r.push(' + line + ');\n') :

            (code += line != '' ? 'r.push("' + line.replace(/"/g, '\\"') + '");\n' : '');

        return add;

    }

    while(match = re.exec(html)) {

        add(html.slice(cursor, match.index))(match[1], true);

        cursor = match.index + match[0].length;

    }

    add(html.substr(cursor, html.length - cursor));

    code += 'return r.join("");';

    return new Function(code.replace(/[\r\t\n]/g, '')).apply(options);

}</%([^%>