function ohw_resetParameters(paramList)
{
  var parameterHashtable = {};
  var params = paramList.split(",");
  for (var p in params)
  {
    var param = params[p];
    var fullParam = param.split("=");
    var name = fullParam[0];
    var value = fullParam[1];
    parameterHashtable[name] = value;
  }
  var elems = document.forms.ohwform.elements;
  for(var i=0; i<elems.length; i++)
  {
    var newVal = parameterHashtable[elems[i].name];
    if (newVal)
    {
      elems[i].value = newVal; 
    }
  }
}