function checkFields(theform) 
{
    if(trimit(theform.usersearch.value) == "") 
	{
		alert("Please enter a search word");
		theform.usersearch.focus();
		return (false);
	}
}

function trimit(input)
{
  var lre = /^\s*/;
  var rre = /\s*$/;
  input = input.replace(lre, "");
  input = input.replace(rre, "");
  return input;
}

function checksearch() 
{ 
	if(searchform.usersearch.value == "")
	{
		alert("Please enter a search criteria");
		searchform.usersearch.focus();
		return false;
	} 
}