// IE7 appears to not have this!
var applyCompatibility = false;

/* Ensure Array.indexOf is available */
if (!Array.prototype.indexOf)
{
    applyCompability = true;

  Array.prototype.indexOf = function(elt /*, from*/)
  {
    var len = this.length;

    var from = Number(arguments[1]) || 0;
    from = (from < 0)
         ? Math.ceil(from)
         : Math.floor(from);
    if (from < 0)
      from += len;

    for (; from < len; from++)
    {
      if (from in this &&
          this[from] === elt)
        return from;
    }
    return -1;
  };
}


function removeChildIE7Fix(parentNode, childNode)
{
    if(applyCompatibility)
    {
        childNode.outerHTML=' ';
        alert('rci7');
    }
    else    
    {
        parentNode.removeChild(childNode);
        alert('rc_normal');
    }
}