this.zoomFactor=pct/100;
var w=this.size.w*this.zoomFactor;
var h=this.size.h*this.zoomFactor;
this.surface.setDimensions(w, h);
// then scale it.this.group.setTransform(dojox.gfx.matrix.scale(this.zoomFactor, this.zoomFactor));
if(dojo.isIE){this.image.rawNode.style.width=Math.max(w,this.size.w);
this.image.rawNode.style.height=Math.max(h,this.size.h);
}//this.rect.setShape({width:w,height:h});