When I call the script below with prototype.js included in the page, I
get a "target has no properties" error message.  If I take out
prototype, it works fine.  Can anyone explain this?


function changeTab(chosen)
      {
      var x;
      var tabs = new Array()
      tabs[0] = "one"
      tabs[1] = "two"
      tabs[2] = "three"
      tabs[3] = "four"
      tabs[5] = "five"
        for (x in tabs)
           {
            target = document.getElementById(tabs[x]);

             if (tabs[x] !== chosen)
                {
                    target.style.backgroundColor = '#E7F1F8';
                }
             else if (tabs[x] == chosen)
                {
          target.style.backgroundColor = 'white';
                 }
      }


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