function doAct(s){ var t = document.getElementById('kf'), c = s.className; if(c != null && c.indexOf(' ') > -1){ s.className = c.replace(' ', ''); t.className = t.className.replace(' close', ''); }else{ s.className = c + ' '; t.className = t.className + ' close'; } }
var CopyRightcss = "css/black.css";