mxPopupMenu.prototype.createSubmenu=function(a){a.table=document.createElement("table");a.table.className="mxPopupMenu";a.tbody=document.createElement("tbody");a.table.appendChild(a.tbody);a.div=document.createElement("div");a.div.className="mxPopupMenu";a.div.style.position="absolute";a.div.style.display="inline";a.div.style.zIndex=this.zIndex;a.div.appendChild(a.table);var b=document.createElement("img");b.setAttribute("src",this.submenuImage);td=a.firstChild.nextSibling.nextSibling;td.appendChild(b)};