ct.labelWidth = ct.labelWidth || 100;
if(Ext.isNumber(ct.labelWidth)){
var pad = Ext.isNumber(ct.labelPad) ? ct.labelPad : 5;
ct.labelWidth = ct.labelWidth || 100;
if(Ext.isNumber(ct.labelWidth)){
var pad = Ext.isNumber(ct.labelPad) ? ct.labelPad : 5;