// 关键字搜索
var keywords="请输入搜索关键字";
function showwords(thisobj,thistype){
	if(thistype){
		if(thisobj.value=="")
			{thisobj.value=keywords;
		    thisobj.style.color='#B6B6B6';}
	}else{
		if(thisobj.value==keywords)
			{thisobj.value="";
		    thisobj.style.color='#444444';}
	}
}

function checksearch() {
	if(document.f1.keywords.value == "")
	{
		alert("请输入关键词！");
		document.f1.keywords.focus();
		return false;
	}
	return true;
}
function bookmarkit()
{
	window.external.addFavorite('http://www.baoshan.cn','中国保山')
}