function changeSearch(obj)
{
	if (document.getElementById(obj).style.display == 'none'){
		document.getElementById(obj).style.display = '';
		setText(obj + '_text', '>> 詳細検索を閉じる');
	} else {
		document.getElementById(obj).style.display = 'none';
		setText(obj + '_text', '>> さらに条件を絞って検索する');
	}
}

function setText(obj, value)
{
	if (navigator.userAgent.indexOf("Firefox") > -1) {
		document.getElementById(obj).textContent = value;
	} else {
		document.getElementById(obj).innerText = value;
	}
}

function allCheck(name)
{
	var obj = document.getElementsByName(name);
	for (i=0; i<obj.length; i++){
		obj[i].checked = true;
	}
}

function allCheckOut(name)
{
	var obj = document.getElementsByName(name);
	for (i=0; i<obj.length; i++){
		obj[i].checked = false;
	}
}

function chkInquiry(name)
{
	var obj = document.getElementsByName(name);
	var checked = false;
	for (i=0; i<obj.length; i++){
		if (obj[i].checked == true){
			checked = true;
		}
	}
	
	if (checked == false){
		alert('求人案件のチェックボックスにチェックを入れてください。');
		return false;
	} else {
		return true;
	}
}