g.className=k;this.currentImg=null}))}}),null,a);mxEvent.addListener(g,"mouseout",a);return g};mxToolbar.prototype.addCombo=function(a){var b=document.createElement("div");b.style.display="inline";b.className="mxToolbarComboContainer";var c=document.createElement("select");c.className=a||"mxToolbarCombo";b.appendChild(c);this.container.appendChild(b);return c};