function SearchCheck(){ 
  if(document.search.query_string.value==' search') document.search.query_string.value='';
  else if(document.search.query_string.value=='') document.search.query_string.value=' search';
}

function CheckSearchSubmit(){
  if(document.search.query_string.value==' search'){
    alert('Enter search term(s) first!');document.search.query_string.focus();return false;}
  else return true;
}