/*pone el iframe de obtener el dom stat*/
        //window.onload = function()
        function carga_estad()
        {

            try{/*obtiene el ref url*/
                crea_Cookie("ref",fnGetDomain(document.referrer))

            }
            catch(Error){
                crea_Cookie("ref","")

            }

                 
               try{
                    /*requerido: <div id="ctl00_div_obt"></div>*/
                    if(getQuerystring("tst") !="")
                        document.getElementById("ctl00_div_obt").innerHTML ="<iframe width='1px' height='1px' style='display:none' scrolling='no' frameborder='0' src='http://"+document.domain +"/obt_e_dom.aspx?tst="+getQuerystring("tst") +"'></iframe>"
                    else    
                        document.getElementById("ctl00_div_obt").innerHTML ="<iframe width='1px' height='1px' style='display:none' scrolling='no' frameborder='0' src='http://"+document.domain +"/obt_e_dom.aspx'></iframe>"
                
                }
                catch(Error){}
        }
        /*obtiene un query string*/
        function getQuerystring(key, default_)
        {
          if (default_==null) default_=""; 
          key = key.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
          var regex = new RegExp("[\\?&]"+key+"=([^&#]*)");
          var qs = regex.exec(window.location.href);
          if(qs == null)
            return default_;
          else
            return qs[1];
        }

        

        function fnGetDomain(url) {
        return (url.match(/:\/\/(.[^/]+)/)[1]).replace('www.','');
        }

     

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

        /*===============================================================================================================*/