64,67c64,70
< 		var selected = Ext.fly('treeinput' + this.id).dom.value.split(',');
< 		for (var i = 0; i < selected.length; i++) {
< 			var value = selected[i].split('|');
< 			selected[i] = value[0];
---
> 		if(Ext.fly('treeinput' + this.id) != null) {
> 			var selected = Ext.fly('treeinput' + this.id).dom.value.split(',');
> 			for (var i = 0; i < selected.length; i++) {
> 				var value = selected[i].split('|');
> 				selected[i] = value[0];
> 			}
> 			Ext.fly('treeinput' + this.id).dom.value = selected.join(',');
69d71
< 		Ext.fly('treeinput' + this.id).dom.value = selected.join(',');