function keywordValidated()
{
  if (document.keywordsearch.keyword.value==""||document.keywordsearch.keyword.length==0)
  {
    alert("Please enter a valid keyword");
    document.keywordsearch.keyword.focus();
    return false;
  }
  return true;
}

function directParentWindow(url,pnav,cnav){
  var urlExt=url+"&pnav="+pnav+"&cnav="+cnav;
  var location = ""+urlExt;
  if(!(location.indexOf("http")>-1)){
     location = "../"+urlExt;
  }
  self.opener.location = location;
  self.opener.focus();
}