document.write('<link rel="stylesheet" type="text/css" href="/kibc/common/css/show_hide.css" media="screen,print" />');

function changeBtn(elem){
	var triggerId = elem.getAttribute('id');
	var idNum = triggerId.substring(triggerId.length-2);
    setElementClassChange(idNum);
}

function setElementClassChange(idNum) {
	if(document.getElementById) {
		var obj = document.getElementById("display-show-block" + idNum);
		if(obj) {
			if(obj.className=="display-show"){
				obj.className = "display-hide";
				setElementImageChange(idNum,"open");
			}else if(obj.className=="display-hide"){
				obj.className = "display-show";
				setElementImageChange(idNum,"close");
			}
		}
	}
}

function setElementImageChange(idNum,work){
	if(document.getElementById) {
		var obj = document.getElementById("display-show-trigger" + idNum);
		if(obj) {
			var imgObj = obj.getElementsByTagName("img");
			imgObj[0].src = "/kibc/common/img/btn_detail_" + work + ".gif";
			if(work="open") imgObj[0].alt = "詳細を開く";
			if(work="close") imgObj[0].alt = "詳細を閉じる";
		}
	}
}