function setCookie(name, value, expires, path, domain, secure)
{
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "/") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}
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));
}
if (document.referrer.indexOf("estarguapa")!=-1) {
  setCookie("estarguapa",document.referrer); //raíz
}
function mostrariframeestarguapa()
{
	if(getCookie("estarguapa")!=null)
	{
		with(document) 
		{
			write("<iframe src=\"http://www.estarguapa.com/tienda/lookAndStop/cabecera.html\" height=\"183px\" width=\"100%\" marginheight=\"0\" marginwidth=\"0\" frameborder=\"0\" scrolling=\"no\"></iframe>");
		}
	}
}
//alert(getCookie("estarguapa"));