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

 function getCookie(name) {
	var cookie = " " + document.cookie;
	var search = " " + name + "=";
	var setStr = null;
	var offset = 0;
	var end = 0;
	if (cookie.length > 0) {
		offset = cookie.indexOf(search);
		if (offset != -1) {
			offset += search.length;
			end = cookie.indexOf(";", offset)
			if (end == -1) {
				end = cookie.length;
			}
			setStr = unescape(cookie.substring(offset, end));
		}
	}
	return(setStr);
 }

 function f_v(ident,mode) 
 {
  if (document.getElementById)
  {
   document.getElementById(ident).style.display=mode;
   setCookie(ident,mode,"Thu, 31 Dec 2020 23:59:59 GMT","/");
  }
 }

 function f_t(ident) 
 {
  if (document.getElementById)
  {
   obj = document.getElementById(ident);
   if (obj.style.display == "none") 
   { 
    obj.style.display = "block"; 
	setCookie(ident,"block","Thu, 31 Dec 2020 23:59:59 GMT","/");
   } else 
   { 
    obj.style.display = "none"; 
	setCookie(ident,"none","Thu, 31 Dec 2020 23:59:59 GMT","/");
   }
  }
 }

 function f_i(ident)
 {
  document.getElementById(ident).style.display=getCookie(ident);
 }