function evalNull(str){
  var re1,re2;
  re1=/\s/g;
  re2=/¡¡/g;
  if(str.replace(re1,"").replace(re2,"")==""){
    return true;
  }else{
    return false;
  }
}

function send_ring(ringid){
  window.open("http://sms.hexun.com/sms/union/picring/prsent.asp?smsid="+smsid+"&id="+ringid+"&prflag=2","","width=410,height=290");
}

function search_singer(singer){   window.open("http://sms.hexun.com/picring/default1.asp?smsid="+smsid+"&tel_type=100101&ring_type=362&tel_product=µ¥ÒôÁåÉù&singer="+singer);
}