b-2*this.border+"px",l.style.overflow="hidden",!mxClient.IS_IE||null!=f.documentMode&&5!=f.documentMode&&8!=f.documentMode&&7!=f.documentMode?(l.style.top=this.border+"px",l.style.left=this.border+"px"):(l.style.marginTop=this.border+"px",l.style.marginLeft=this.border+"px"),g.appendChild(l),document.body.appendChild(g),k=l}catch(n){throw g.parentNode.removeChild(g),n;}e(k);return g};