function gotoPage(formObj, pageName) {
	formObj.page_name.value= pageName;
	formObj.submit();
}

function GetDomain() {
	var docdomain = document.domain;
	var dlen = docdomain.length;
	var y = 0;
	var z = 0;
	y = docdomain.lastIndexOf(".", dlen);
	z = docdomain.lastIndexOf(".", y - 1);
	return docdomain.substr(z);
}

function GetCookieVal (offset) {
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1)
		endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie (name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;

	while (i < clen) {
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg) {
			return GetCookieVal (j);
		}
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
	return null;
}

function SetCookie (name, value) {
	document.cookie = name + "=" + escape (value) + "; path=/; domain="  + GetDomain() +  ";";
}

function DeleteCookie (name) {
	var exp = new Date();
	exp.setTime (exp.getTime() - 1);	// This cookie is history
	var cval = GetCookie (name);
	document.cookie = name + "=" + escape (cval) + "; path=/; domain="  + GetDomain() +  "; expires=" + exp.toGMTString();
}