/* ---------------------------------------------------*/
/* バックナンバーメニュー情報の設定 */
/* ---------------------------------------------------*/
/* accordion_menu設定 */
function set_expand(elm,layer1,layer2) {

	if(elm != '') {
		var elmCurr = document.getElementById(elm);
		elmCurr.style.backgroundColor="#FFFF00";
		elmCurr.style.color="#000000";
	}

	var divTag = document.getElementsByTagName("div");
	var expand_item = new Array();
	
	for(var i=0; i<divTag.length; i++) {
		str = divTag[i].id;
		if (str.match(/bk_/i)) {
			expand_item.push(divTag[i].id);
		}
	}

	for (i = 0; i < expand_item.length; i++) {
		if ((layer1 == expand_item[i]) || (layer2 == expand_item[i])) {
			expand(expand_item[i]);
		}
	}

}

function expand(objId) {
	
	child = document.getElementById(objId);
	
	if (child.className == "sys_latent")
			child.className = "sys_manifest";
	else
			child.className = "sys_latent";
}