z-index

<style>#container{position:relative;width:500px;height:400px;background:gray;}#reck{position:absolute;left:100px;top:100px;width:200px;height:200px;background:blue;}</style><script>$(function(){    var w = $("#reck").width();     var h = $("#reck").height();     var position = $("#reck").position();    var x = position.left;     var y = position.top;     $("#container").live("mousemove",function(event){             if(event.pageX >=x && event.pageX<= x+w && event.pageY >= y && event.pageY <=y+h)        {            $("#container").css('cursor','pointer');        }        else $("#container").css('cursor','default');    });    $(document).click(function(event){                         if(event.pageX >=x && event.pageX<= x+w && event.pageY >= y && event.pageY <=y+h)        {            location.replace("http://www.naver.com/");        }    });});</script><div id="container">    <div id="reck"></div></div>