// 开放辞典 JavaScript
<!--
//导航条效果
function on(tdbg){tdbg.style.background="#fff17d";}
function off(tdbg){tdbg.style.background="#EFF7FE";}

//输入框工具条效果
function onimg(img){img.style.background="#C3DAF9";img.style.border="1px solid #000080"}
function outimg(img){img.style.background="";img.style.border="1px solid #F8F8F8"}

//查询检查
function ck()
{
	if((document.search_form.key.value=="")||(document.search_form.key.value=="请输入查询词"))
	{
		document.search_form.key.value="请输入查询词";
		return false;
	} 
		if (document.search_form.action == "http://iask.sina.com.cn/search_engine/search_knowledge_engine.php")
		{
			document.search_form.searchcontent.name="key";
		}
		return true;
}
-->