function headsearch() {
  var keywords = document.head_search.keywords.value;
  if((keywords == 'Enter search keywords here')||(keywords == '')) {
    alert('Enter search keywords here');
	head_search.keywords.value='';
	head_search.keywords.focus();
    return false;
  }
}
function footsearch() {
  var keywords = document.foot_search.keywords.value;
  if((keywords == 'Enter search keywords here')(keywords == '')) {
    alert('Enter search keywords here');
	foot_search.keywords.value='';
	foot_search.keywords.focus();
    return false;
  }
}