Okay... I have a series of document objects

Code:
<table>
  <tr id='objRow'></tr>
  <tr id='objRow'></tr>
  <tr id='objRow'></tr>
  <tr id='objAnotherRow'></tr>
  <tr id='objAnotherRow'></tr>
  <tr id='objAnotherRow'></tr>
  <tr id='objDifferentRow'></tr>
  <tr id='objDifferentRow'></tr>
  <tr id='objDifferentRow'></tr>
</table>
I have some onClick events that pass the name of one of these objects. Let's say I want to make them hide.

Code:
<script language=JavaScript>
  function hide(x) {
    for (var i = 0; i < x.length; i++) {
      x\[i\].style.display = "none";
    }
  }
</script>
Well, it is looking for an object called x. I want to anonymously refer to the object, using x. How can I do this?