Help expiring multiple cookies of the same name

<%@ LANGUAGE=VBSCRIPT %>
<%
Response.Cookies(strCookieName) = "must be something!"
Response.Cookies(strCookieName).Expires = Date() - 1
%>
 
 
<script language="JavaScript">
		function delCookie(name,path,domain) {
			var today = new Date();
			var deleteDate = new Date(today.getTime() - 48 * 60 * 60 *  
                    1000); // minus 2 days
			var cookie = name + "="
				+ ((path == null) ? "" : "; path=" + path)
				+ ((domain == null) ? "" : "; domain=" + domain)
				+ "; expires=" + deleteDate;
			document.cookie = cookie;
		}
 
		function delSomeCookie() {
			// set focus to ok button
			var isNetscape = (document.layers);
			if (isNetscape == false || navigator.appVersion.charAt(0) 
                    >= 5) {
				for (var i=0; i<document.links.length; i++) {
					if (document.links[i].href ==  
                                 "javascript:top.close()") {
						document.links[i].focus();
						break;
					}
				}
			}
			delCookie('Somecookie', '/');
			delCookie('SomeCookie', '/');
			// in case cookieDomain is configured
			// delete same cookie to all of subdomain
			var subdomain;
			var domain = new String(document.domain);
			var index = domain.indexOf(".");
			while (index > 0) {
				subdomain = domain.substring(index, domain.length);
				if (subdomain.indexOf(".", 1) > 0) {
					delCookie('SomeCookie', '/', subdomain);
					delCookie('SomeCookie', '/', subdomain);
				}
				domain = subdomain;
				index = domain.indexOf(".", 1);
			}
		}
	</script>