function checkss()
  {
      if (document.form1.keywords.value=="请输入关键字"){
	      alert("搜索关键字不能为空");
		  document.form1.keywords.focus();
		  return false
		    }
		if (document.form1.keywords.value==""){
	      alert("搜索关键字不能为空");
		  document.form1.keywords.focus();
		  return false
		   }
	return true
  }
function initClipBox(){
	document.write("<input class=\"clipInput\" value=\"" + location.href + "\" onclick=\"copyToClipBoard(this)\"></input>");
	document.write("<input type=\"button\" class=\"clipButton\" value=\"复制\" onclick=\"copyToClipBoard(this)\" />");
}

function copyToClipBoard(el){
	el.select();
	var clipBoardContent = document.title +'\r\n'+ location.href +'';
	alert('复制成功,发给你的好友一起分享吧!');
	window.clipboardData.setData("Text",clipBoardContent);
}

function addToFavorite(){
	var title = document.title;
	window.external.AddFavorite(location.href,title);
}