code: function(left,top,width,height){
                    var el = this.element;
                    WireIt.sn(el,null,{left:left+"px",top:top+"px",width:width+"px",height:height+"px"});
                    el.getContext("2d").clearRect(0,0,width,height);
                    this.element = el;
                 }
docs: IE