/* ブラウザ判別 */
var ie=document.all ? 1 : 0;
var ns6=document.getElementById&&!document.all ? 1 : 0;
var opera=window.opera ? 1 : 0;

/* 子メニューの表示・非表示切替 */
function openchild(childObj, parentObj) {
    var parent="";
    var child="";
	var sw1="images/renewal/c_news_nml_3.gif";
	var hd1="images/renewal/c_news_nml_1.gif";
    if (ie || ns6 || opera) {
        child=ns6 ? document.getElementById(childObj).style : document.all(childObj).style;
        parent=ns6 ? document.getElementById(parentObj).style : document.all(parentObj).style;
        if (child.display=="none") {
            child.display="block";
			parent.backgroundImage="url("+sw1+")";
			parent.backgroundPosition="2px 0";
        } else {
            child.display="none";
			parent.backgroundImage="url("+hd1+")";
			parent.backgroundPosition="2px 0";
        }
    }
}

function openchild2(childObj, parentObj) {
    var parent="";
    var child="";
	var sw2="images/renewal/c_news_red_3.gif";
	var hd2="images/renewal/c_news_red_1.gif";
    if (ie || ns6 || opera) {
        child=ns6 ? document.getElementById(childObj).style : document.all(childObj).style;
        parent=ns6 ? document.getElementById(parentObj).style : document.all(parentObj).style;
        if (child.display=="none") {
            child.display="block";
			parent.backgroundImage="url("+sw2+")";
			parent.backgroundPosition="2px 0";
        } else {
            child.display="none";
			parent.backgroundImage="url("+hd2+")";
			parent.backgroundPosition="2px 0";
        }
    }
}