function sub_form_pagetop() {
	var word = document.form_search.word.value;
	word = word.replace(/^\s+|\s+$/g, "");
	word = word.replace(/^[　]+/, "");
	word = word.replace(/[　]+$/, "");
		
	if (word == "") {
		alert("検索する言葉を指定してください。");
		document.form_search.word.value = word;
		document.form_search.word.focus();
	} else {
		document.form_search.submit();
	}
}

function sub_form_search() {
	var word = document.form_search.word.value;
	word = word.replace(/^\s+|\s+$/g, "");
	word = word.replace(/^[　]+/, "");
	word = word.replace(/[　]+$/, "");
		
	if (word == "") {
		alert("検索する言葉を指定してください。");
		document.form_search.word.value = word;
		document.form_search.word.focus();
	} else {
		document.form_search.submit();
		wait_img_on();
	}
}

function sub_form_page(page) {
	document.form_page.page_now.value = page;
	document.form_page.submit();
	wait_img_on();
}

function sub_form_sort() {
	var i = document.form_sort.junban_code.selectedIndex;
	document.form_page.junban_code.value = document.form_sort.junban_code.options[i].value;
	document.form_page.page_now.value = "";
	document.form_page.read_book_id.value = "";
	document.form_page.record_count.value = "";
	document.form_page.page_count.value = "";
	document.form_page.submit();
	wait_img_on();
}

function sub_form_taisyo() {
	document.form_taisyo.submit();
	wait_img_on();
}