对象参数

<div id=div1></div>
<SCRIPT LANGUAGE="JavaScript">
<!--
  function showo ( o ){
   alert ( o.x );
  }
  var o=new Object();
  o.x = 111;
  var a=new Array();
  a[0]= o;
  div1.innerHTML = "<input type=button  value='xxxxxxxxxx'  onclick=showo(a["+0+"]) >";

//-->
</SCRIPT>