function GetCookie(sName)
{
    var aCookie = document.cookie.split("; ");
    var CookieLength = aCookie.length;
    for (var i=0; i < CookieLength; i++)
     {
        var aCrumb = aCookie[i].split("=");
        if (sName == aCrumb[0]) return unescape(aCrumb[1]);
     }
    return null;
}

function agregar_favoritos()
{
   if ((navigator.appName=="Microsoft Internet Explorer") && 
         (parseInt(navigator.appVersion)>=4)) {
      var url=location.href; 
      var titulo=document.title;
      window.external.AddFavorite(url,titulo);
   } else { 
      if(navigator.appName == "Netscape") 
         alert("Presione Crtl+D para agregar este sitio en sus Bookmarks"); 
   }
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}