<div class="IFrameContainer" id="IFrameContainer"> </div>
cHtmlFromIFrameTransaction='' function InitializeIFrameContainer() { loDiv=document.getElementById("IFrameContainer") loDiv.innerHTML='' loDiv.insertAdjacentHTML('afterbegin',cHtmlFromIFrameTransaction) }Basically, the above is in the parent window. Then, a child window initializes cHtmlFromIFrameTransaction and calls the function.
parent.cHtmlFromIFrameTransaction="Html here" parent.InitializeIFrameContainer()