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;
}