function GetCookie(name) {
 var i = 0;
 while (i < document.cookie.length) {
 var j = i + (name.length) + 1;
 if (document.cookie.substring(i,j) == name+"=") {
 var endstr = document.cookie.indexOf (";", j);
 if (endstr < j) endstr = document.cookie.length;
 return unescape(document.cookie.substring(j, endstr));
 }
 i = document.cookie.indexOf(" ", i) + 1;
 if (i == 0) break;
 }
 return null;
}
var hiddenblocks = new Array();
var blocks = GetCookie('hiddenblocks');
if (blocks != null) {
 var hidden = blocks.split(":");
 for (var loop = 0; loop < hidden.length; loop++) {
 var hiddenblock = hidden[loop];
 hiddenblocks[hiddenblock] = hiddenblock;
 }
}
function blockswitch(bid) {
 var bpe = document.getElementById('pe'+bid);
 var bph = document.getElementById('ph'+bid);
 var bico = document.getElementById('pic'+bid);
 if (bpe && bpe.style.display=="none") {
 if (bph) { bph.style.display="none"; }
 bpe.style.display="";
 hiddenblocks[bid] = null;
 bico.src = bico.src.replace("plus.", "minus.");
 } else {
 if (bph) { bph.style.display=""; }
 if (bpe) { bpe.style.display="none"; }
 hiddenblocks[bid] = bid;
 bico.src = bico.src.replace("minus.", "plus.");
 }
 var cookie = null;
 for (var q = 0; q < hiddenblocks.length; q++) {
 if (hiddenblocks[q] != null) {
 cookie = (cookie != null) ? (cookie+":"+hiddenblocks[q]) : hiddenblocks[q];
 }
 }
 if (cookie != null) {
 var exp = new Date();
 exp.setTime(exp.getTime() + (24 * 60 * 60 * 1000 * 365));
 var expstr = "; expires=" + exp.toGMTString();
 document.cookie = "hiddenblocks=" + escape(cookie) + expstr + "; path=/;"; // "domain=cpgnuke.com;";
 } else if (GetCookie("hiddenblocks")) {
 document.cookie = "hiddenblocks=:; expires = Thu, 01-Jan-70 00:00:01 GMT; path=/;";
 }
}

function simpleswitch(str) {
 var bpe = document.getElementById(str);
 if (bpe && bpe.style.display=="none") {
 bpe.style.display="";
 } else {
 if (bpe) { bpe.style.display="none"; }
 }
}