Somekind of adblock detector

nbes_get_adblock_status.js

function nbes_get_adblock_status()
{
	
	var patt = new RegExp("Android");
	var res = patt.test(window.navigator.userAgent);
	var patt1 = new RegExp("UCBrowser");
	var res1 = patt.test(window.navigator.userAgent);
	if(res && res1)
	{
		nbes_loaded = true;
		nbes_bypass("#mmm");
	}

    var el = document.createElement("img");
    el.src = "http://adserver.adtech.de/adserv|3.0|1253.1|3552681|0|744|ADTECH;loc=300;key=key1+key2+key3+key4;alias=";
    el.onload= function()
    {   
        nbes_loaded = true;
        el.parentNode.removeChild(el);
        nbes_adblock = false;
        

    };
    el.onerror = function () 
    {   
        nbes_loaded = true;
    }
    document.head.appendChild(el);
	
}