////////////////////////////////////////////////////////////////////////////
// Rutines Java de Persianes v.1.2 -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= //
// Copyright (c) 1999-2004 Jaume Ulled i Bertran                          //
// ALC - Advanced Language Coding by Jaume Ulled                          //
//                                                                        //
// Registrat en el Reg. Propietat Intel·lectual del Dept. de Cultura de   //
// la Generalitat de Catalunya                                            //
// Podeu fer-ne ús lliure en webs no comercials ni lucratives, avisant-ne //
// prèviament a l'autor mitjançant les URLs anteriors                     //
// Uso libre con fin no lucrativo previo aviso mediante las citadas URLs  //
////////////////////////////////////////////////////////////////////////////

function EstableixBlurAncles(){
  if(document.getElementsByTagName){
    var a = document.getElementsByTagName("a");
    for(var i = 0; i < a.length; i++){
      a[i].onfocus = function(){this.blur()};
    }
  }
}
window.onload = EstableixBlurAncles;

function desplega( targetId ){
  if (document.getElementById){
  		target = document.getElementById( targetId );
  			if (target.style.display == "none"){
  				target.style.display = "";
  			} else {
  				target.style.display = "none";
  			}
  	}
}

function plega( targetId ){
  if (document.getElementById){
  		target = document.getElementById( targetId );
		target.style.display = "none";
  }
}

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 fixDate (date) {
    var base = new Date(0);
    var skew = base.getTime();
    if (skew > 0)
        date.setTime(date.getTime() - skew);
}

function PersianaOberta() {
    var now = new Date();
    fixDate(now);
    now.setTime(now.getTime() + 365 * 24 * 60 * 60 * 1000);
	setCookie('tab', "Extesa", now, '/');
}

function PersianaTancada() {
    var now = new Date();
    fixDate(now);
    now.setTime(now.getTime() + 365 * 24 * 60 * 60 * 1000);
	setCookie('tab', "Amagada", now, '/');
}