function livechat_show(){
	var livechat = document.getElementById('livechat');
  var livechatmain = document.getElementById('livechatmain');
  if (livechatmain.style.display=='none'){
    livechat.className = 'livechat';
    livechatmain.style.display = 'block';
  }
}

function livechat_hide(){
	var livechat = document.getElementById('livechat');
  var livechatmain = document.getElementById('livechatmain');
  //if (livechatmain.style.display=='block'){
  if ((livechat.className=='livechat') || (livechatmain.style.display=='block')){
    livechat.className = 'livechat_sm';
    livechatmain.style.display = 'none';
  }
}