Ext.grid.RowNumberer=function(a){Ext.apply(this,a);if(this.rowspan){this.renderer=this.renderer.createDelegate(this)}};Ext.grid.RowNumberer.prototype={header:"",width:23,sortable:false,fixed:true,menuDisabled:true,dataIndex:"",id:"numberer",rowspan:undefined,renderer:function(b,c,a,d){if(this.rowspan){c.cellAttr='rowspan="'+this.rowspan+'"'}return d+1}};