function check_search(){
	if(document.getElementById('search_word_show').value == ''){
		alert('½Ð¿é¤J·j´M¤º®e');
		document.getElementById('search_word_show').focus();
		return false;
	}else{
		search_form.search_word.value = document.getElementById('search_word_show').value;
		search_form.submit();
	}
} 

function reset_search(){
//	alert("test");
	document.getElementById('search_word_show').value = '';
}