if(!window.__wsmig_once) {
window.__wsmig_once = 1;
var adUnits = document.querySelectorAll('.wsz'),
isOldIE = document.all && !window.atob;
for (var i = adUnits.length - 1; i >= 0; i--) {
var auid = adUnits[i].getAttribute('data-pid');
if(auid){
var iframe = document.createElement('IFRAME');
iframe.setAttribute("style", "border-width:0px");
iframe.style.display = "none";
iframe.style.margin = '0px auto';
iframe.src = "about:blank";
adUnits[i].appendChild(iframe);
var frameDoc = iframe.contentDocument ? iframe.contentDocument : iframe.contentWindow ? iframe.contentWindow.document : iframe.document;
frameDoc.open('text/html', 'replace');
frameDoc.write("var ws_unit = {'id': '" + auid + "', 'dynamic':1}" +
"");
}
if(!isOldIE)
frameDoc.close();
}
}