function checkIt(form) {
	var f = document.searchForm;
	if(!f.search.value || f.search.value=='Search') {
		alert('Please input keyword to search!');
		f.search.focus();
	}else{
		document.searchForm.submit();
	}
}
function checkBoard(form) {
	var fn = document.BoardList;
	if(!fn.search_keyword.value || fn.search_keyword.value=='input this area') {
		alert('Please input keyword to search!');
		fn.search_keyword.focus();
	}else{
		document.BoardList.submit();
	}
}