function setCookie(sName, sValue, oExpires, sPath, sDomain, bSecure) {
	var sCookie = sName + "=" + encodeURIComponent(sValue);
	if (oExpires) {
		sCookie += "; expires=" + oExpires.toGMTString();
	}
                
	if (sPath) {
		sCookie += "; path=" + sPath;
	}
	if (sDomain) {
		sCookie += "; domain=" + sDomain;
	}
	if (bSecure) {
		sCookie += "; secure";
	}
	document.cookie = sCookie;
}
                                
function getCookie(sName) {
	var sRE = "(?:; )?" + sName + "=([^;]*);?";
	var oRE = new RegExp(sRE);
	if (oRE.test(document.cookie)) {
		return decodeURIComponent(RegExp["$1"]);
	} else {
		return null;
	}
}                

function deleteCookie(sName, sPath, sDomain) {
	var sCookie = sName + "=; expires=" + (new Date(0)).toGMTString();
	if (sPath) {
		sCookie += "; path=" + sPath;
	}
	if (sDomain) {
		sCookie += "; domain=" + sDomain;
	}
	document.cookie = sCookie;
}

function $() {
  var elements = new Array();

  for (var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);

    if (arguments.length == 1)
      return element;

    elements.push(element);
  }

  return elements;
}

Object.extend = function(destination, source) {
  for (property in source) {
    destination[property] = source[property];
  }
  return destination;
}

Object.extend(Element, {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function() {
    for (var i = 0; i < arguments.length; i++) {
      var element = $(arguments[i]);
      Element[Element.visible(element) ? 'hide' : 'show'](element);
    }
  },

  hide: function() {
    for (var i = 0; i < arguments.length; i++) {
      var element = $(arguments[i]);
      element.style.display = 'none';
    }
  },

  show: function() {
    for (var i = 0; i < arguments.length; i++) {
      var element = $(arguments[i]);
      element.style.display = '';
    }
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
  },

  update: function(element, html) {
    $(element).innerHTML = html.stripScripts();
    setTimeout(function() {html.evalScripts()}, 10);
  },

  getHeight: function(element) {
    element = $(element);
    return element.offsetHeight;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element.classNames(element).include(className);
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element.classNames(element).add(className);
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element.classNames(element).remove(className);
  },

  empty: function(element) {
    return $(element).innerHTML.match(/^\s*$/);
  }
});

function swapVis(el){
//	var thing=document.getElementById(what).style; 
	var thing=$(el).style;
	with (thing) display=(display=="none")?"":"none"; 
	writeMenuPos();
}

function writeMenuPos(){
	var menuTab=[];
	for (var i=1; i<6; i++){
		var x=("menu"+i).toString();
		var z=$(x).style.display;
		if (z=="none") var v=0; else var v=1;
		menuTab.push(v);
	}
	setCookie('menuPos',menuTab.toString());
}

function retrieveMenuPos(datTab){
	for (var i=1; i<6; i++){
		var x=("menu"+i).toString();
		if (datTab[i-1]==0)
			$(x).style.display="none";
		else
			$(x).style.display="";
	}
}

function init(){
	var cinfo=getCookie('menuPos');
	if (cinfo==null){
		writeMenuPos();
	} else {
		retrieveMenuPos(cinfo.split(","));
	}
	$("lmenu").style.display="";
}