// JavaScript Document

function toggleVis(id){
if (document.all){
if (document.all.item(id).style.display == "block"){
document.all.item(id).style.display = "none";
} else if (document.all.item(id).style.display == "none"){
document.all.item(id).style.display = "block";
}
} else if (document.getElementById){
if(document.getElementById(id).style.display == "block"){
document.getElementById(id).style.display = "none";
} else if (document.getElementById(id).style.display == "none"){
document.getElementById(id).style.display = "block";
}
}

cookie = getCookie(id + '_vis');

if (cookie != 'true') {
setCookie(id + '_vis', 'true')
} else {
setCookie(id + '_vis', 'false')
}
}

function setCookie(name, value, expires, path, domain, secure) {
var curCookie = name + "=" + escape(value) +
((expires) ? "; expires=" + expires.toGMTString() : "") +
((path) ? "; path=" + path : "") +
((domain) ? "; domain=" + domain : "") +
((secure) ? "; secure" : "");
document.cookie = curCookie;
}

function getCookie(name) {
var dc = document.cookie;
var prefix = name + "=";
var begin = dc.indexOf("; " + prefix);
if (begin == -1) {
begin = dc.indexOf(prefix);
if (begin != 0) return null;
} else
begin += 2;
var end = document.cookie.indexOf(";", begin);
if (end == -1)
end = dc.length;
return unescape(dc.substring(begin + prefix.length, end));
}

function deleteCookie(name, path, domain) {
if (getCookie(name)) {
document.cookie = name + "=" +
((path) ? "; path=" + path : "") +
((domain) ? "; domain=" + domain : "") +
"; expires=Thu, 01-Jan-70 00:00:01 GMT";
}
}