<!--代码如下-->
<script language="javascript" type="text/javascript">
    var keys =     {
                    "关键字1":["http://www.url.com","#F4F9FF"],
                    "关键字2":["http://www.url.com","#F4F9FF"],
                    "关键字3":["http://www.url.com","#F4F9FF"]
                    }
    document.body.innerHTML = document.body.innerHTML.replace(/(关键字1|关键字2|关键字3)/g,function(){
                var tem=arguments[0];
                return tem.fontcolor(keys[u][1]).link(keys[u][0]);
            }
        );
</script>