function extWin (url, title, w, h) {
	if ((w == 0) && (h == 0)) {
		window.open(url, title);
	} else {
		window.open(url, title, "width=" + w + ", height=" + h + ", scrollbars=yes, resizable=yes");
	}
	return false;
}

function chGif (id, img) {
	document.getElementById(id).src	= img;
}

function chkNodeName (attr, target) {
	var retstr	= false;
	var atrnum	= 0;
	if ((attr.length > 0) && (target != "")) {
		for (atrnum = 0; atrnum < attr.length; atrnum++) {
			if (attr[atrnum].name == target) {
				retstr	= attr[atrnum].value;
				break;
			}
		}
	}
	return retstr;
}

function setExtWin () {
	var i = 0;
	var linksNum	= document.links.length;
	var tmpstr		= "";
	var strs		= "";
	if (linksNum > 0) {
		for (i = 0; i < linksNum; i++) {
			if (document.links[i].attributes.length > 1) {
				tmpstr	= "";
				tmpstr	= chkNodeName(document.links[i].attributes, "rel");
				if ((tmpstr != "") && (tmpstr != false)) {
					strs	+= tmpstr + "\n";
					
				}
			}
		}
		//alert(strs);
	}
}
/*
if (! window.attachEvent){
	window.addEventListener("load", setExtWin, false);
} else {
	window.attachEvent("onload", setExtWin);
}
*/