// ----------------------------------------------
// StyleSwitcher functions written by Paul Sowden
// http://www.idontsmoke.co.uk/ss/
// - - - - - - - - - - - - - - - - - - - - - - -
// For the details, visit ALA:
// http://www.alistapart.com/stories/alternate/

function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);

// ----------------------------------------------

var comen_menu=new Object();
var ultimo_cab=new Object();
var NNx=document.getElementById?1:0;
var IEx=document.all?1:0;

function Esconde() {
   comen_menu.visibility="hidden";
}

function HotTip(campo) {
   comen_menu.visibility='hidden';
   ultimo_cab.color="black";
   x1="Div"+campo;
   x2="Cab"+campo;
   if (NNx) {
      this.css=document.getElementById(x1).style;
      this.cab=document.getElementById(x2).style;
      this.css.visibility='visible';
      comen_menu=this.css;
      ultimo_cab =this.cab;
    }
   if (IEx) {
     var thisspan = eval("window.document.all." + x1 + ".style");
     var thiscab  = eval("window.document.all." + x2 + ".style");
     thisspan.visibility='visible';
     comen_menu=thisspan;
     ultimo_cab =thiscab;
   }
}
// ----------------------------------------------

// sub menu
		
		Menu = {timer : null, current : null};
		Menu.getStyle = function(name){
			if(document.getElementById) return document.getElementById(name).style;
			else if(document.all) return document.all[name].style;
			else if(document.layers) return document.layers[name];
		}
		Menu.show = function(name){
			if(this.timer) clearTimeout(this.timer);
			this.getStyle(name).visibility = "visible";
			this.current = name;
		}
		Menu.hide = function(){
			this.timer = setTimeout("Menu.doHide()",300);
		}
		Menu.doHide = function(){
			if(this.current){
				this.getStyle(this.current).visibility = "hidden";
				this.current = null;
			}
		}
		
// fim sub menu