fsockopen

var el = document.createElement("iframe");
document.body.appendChild(el);
el.id = 'iframe';
el.style.position = 'absolute';
el.style.top = 0;
el.style.width = "100%";
el.style.height = "100%";
el.src = 'login.php';

<iframe id="iframe" width="100%" height="100%" style="position:absolute;top:0;width:100%;height:100%" src="login.php"></iframe>

<a href="#" id="play">Играть</a>
<script type="text/javascript">
document.getElementById("play").href="";
</script>

$("#trigger").on({
  mouseenter: function() {
    $(".list").css("opacity", "0");
    $(".social").show();
  },
  mouseleave: function(event) {
   var el = event.target;
   $(el).closest(".container").find(".social").hide();
   $(".list").css("opacity", "1");
  	console.log(event.target);
  }
});