if (typeof window.vs_get_rnd_num === 'undefined') {
    window.vs_get_rnd_num = function() {
        return Math.floor(Math.random()*(1000000-1+1)+1);
    }
}
var vs_widget_width = '500px';
var vs_hash = window.location.hash;
var vs_ref = encodeURIComponent(document.referrer);
var vs_rnd_num = vs_get_rnd_num();
var vs_default_email = '';
var vs_default_fname = '';
var vs_default_lname = '';
var vs_default_phone = '';
if (typeof vs_email!='undefined') { vs_default_email = vs_email; }
if (typeof vs_first_name!='undefined') { vs_default_fname = vs_first_name; }
if (typeof vs_last_name!='undefined') { vs_default_lname = vs_last_name; }
if (typeof vs_phone!='undefined') { vs_default_phone = vs_phone; }

function vs_scroll_to(eleID) 
{
   var sp = document.documentElement.scrollTop || document.body.scrollTop;
   var e = document.getElementById(eleID);
   var st = e.scrollTop;
   
   if (sp<=st) { return false; }
   
   if (!!e && e.scrollIntoView) {
       e.scrollIntoView();
   }
}
document.write('<iframe id="vs_widget_frame_vs_21076_'+vs_rnd_num+'" src="'+('https:' == document.location.protocol ? 'https://' : 'http://')+'app.viralsweep.com/vrlswp/widget/3315b9-21076?rndid='+vs_rnd_num+'&framed=1'+(vs_default_email!=''?'&vs_email='+vs_default_email:'')+(vs_default_fname!=''?'&vs_fname='+vs_default_fname:'')+(vs_default_lname!=''?'&vs_lname='+vs_default_lname:'')+(vs_default_phone!=''?'&vs_phone='+vs_default_phone:'')+'&ref='+vs_ref+'&hash='+vs_hash+'" frameborder="0" style="width: 500px; max-width: 100%; height:0px;" scrolling="no">Your browser does not support iframe</iframe>');

var vs_get_distance = function ( elem ) { var location = 0; if (elem.offsetParent) { do { location += elem.offsetTop; elem = elem.offsetParent; } while (elem); } return location >= 0 ? location : 0; };
function vs_in_iframe() { try  { return window.self !== window.top; } catch (e) { return true; } }
document.addEventListener('scroll', function (event) {
    if (vs_in_iframe()) { var top = 0; var location = 0; } else { var doc = document.documentElement, body = document.body; var top = (doc && doc.scrollTop  || body && body.scrollTop  || 0); var elem = document.querySelector('#vs_widget_frame_vs_21076_' + vs_rnd_num); var location = vs_get_distance( elem ); }   
    var json = {"parent_top": top, "parent_position": location};
    if (elem!=null) elem.contentWindow.postMessage(json, "*");
});

var eventMethod = window.addEventListener ? "addEventListener" : "attachEvent";
var eventer = window[eventMethod];
var messageEvent = eventMethod == "attachEvent" ? "onmessage" : "message";
eventer(messageEvent, function (e) { 
    if( e.origin == 'https://app.viralsweep.com' || e.origin == 'http://app.viralsweep.com')
    {
        var obj = e.data;		
        if(obj !== null && typeof obj === 'object')
        {
            if(("height" in obj) && ("id" in obj) && ("rnd" in obj))
            {
                var h = obj.height;
                var code_id = obj.id;
                var rnd = obj.rnd
                var frame_id = 'vs_widget_frame_vs_'+code_id+'_'+rnd;
                var el = document.getElementById(frame_id);
                if (typeof(el) != 'undefined' && el != null)
                {
                    el.style.height = h;
                }
            }
            
            if(("entry" in obj) && ("id" in obj) && ("rnd" in obj))
            {
                var code_id = obj.id;
                var rnd = obj.rnd
                var frame_id = 'vs_widget_frame_vs_'+code_id+'_'+rnd;
                vs_scroll_to(frame_id);
            }
        }		

    }
// Do whatever you want to do with the data got from IFrame in Parent form.
}, false);