XN.DOM.readyDo(function(){$("ls").addEvent("mouseover",function(a){$("ls").className="login_btn_hover"});$("ls").addEvent("mouseout",function(a){$("ls").className="login_btn"});$("ls").addEvent("click",function(a){$("ls").className="login_btn_click"});$("ls").addEvent("focus",function(a){$("ls").className="login_btn_click"})});