mxPrintPreview.prototype.insertBackgroundImage=function(a,b,c){var d=this.graph.backgroundImage;if(null!=d){var e=document.createElement("img");e.style.position="absolute";e.style.marginLeft=Math.round((b+d.x)*this.scale)+"px";e.style.marginTop=Math.round((c+d.y)*this.scale)+"px";e.setAttribute("width",Math.round(d.width*this.scale));e.setAttribute("height",Math.round(d.height*this.scale));e.src=d.src;a.insertBefore(e,a.firstChild)}};mxPrintPreview.prototype.getCoverPages=function(){return null};