function switchAllCheckBox() {
	var c = document.getElementById('ALLON').checked; 
	document.getElementById('L_EN').checked = c;
	document.getElementById('L_DE').checked = c;
	document.getElementById('L_FR').checked = c;
	document.getElementById('L_IT').checked = c;
	document.getElementById('L_ES').checked = c;
	document.getElementById('L_SV').checked = c;
	document.getElementById('L_FI').checked = c;
	document.getElementById('L_RU').checked = c;
}

function initSearchForm() {
	document.getElementById('W').focus();
}

function checkInput(frmObj) {
	var uselen = 0;
	if (frmObj.char_type.selectedIndex != 0 &&
		 frmObj.char_length.selectedIndex != 0 &&
		 frmObj.char_equal.selectedIndex != 0) {
		uselen = 1;
	}
	if (!frmObj.W.value && uselen == 0) {
		alert('検索語を入力してください');
		frmObj.W.focus();
		return false;
	} else if (frmObj.T_F.checked == false &&
			 frmObj.T_M.checked == false &&
			 frmObj.T_L.checked == false) {
		alert('女性名、男性名、姓を一つ以上選択してください');
		return false;
	} else if (frmObj.L_EN.checked == false &&
			 frmObj.L_DE.checked == false &&
			 frmObj.L_FR.checked == false &&
			 frmObj.L_IT.checked == false &&
			 frmObj.L_ES.checked == false &&
			 frmObj.L_SV.checked == false &&
			 frmObj.L_FI.checked == false &&
			 frmObj.L_RU.checked == false) {
		alert('言語を一つ以上選択してください');
		return false;
	} else if (uselen == 0 && 
			 (frmObj.char_type.selectedIndex != 0 ||
			  frmObj.char_length.selectedIndex != 0 ||
			  frmObj.char_equal.selectedIndex != 0)) {
		alert('検索オプションを正しく指定してください');
		return false;
	} else {
		return true;
	}
}

var text_correct_e = "※英字表記は正しい";
var text_correct_k = "※カナ表記は正しい";
function clearDefaultText() {
	if (document.getElementById("c_name").value == text_correct_e) {
		document.getElementById("c_name").value = "";
		document.getElementById("c_name").style.color = "#000000";
	}
	if (document.getElementById("c_kana").value == text_correct_k) {
		document.getElementById("c_kana").value = "";
		document.getElementById("c_kana").style.color = "#000000";
	}
}
function setDefaultText() {
	if (document.getElementById("c_name").value == "") {
		document.getElementById("c_name").value = text_correct_e;
		document.getElementById("c_name").style.color = "#999999";
	}
	if (document.getElementById("c_kana").value == "") {
		document.getElementById("c_kana").value = text_correct_k;
		document.getElementById("c_kana").style.color = "#999999";
	}
}

function switchDisplayMode(id)
{
	if (document.getElementById(id).style.display == "block") {
		document.getElementById(id).style.display = "none";
	} else {
		document.getElementById(id).style.display = "block";
	}
}