Not able to identify the objetcs

[lohi]

if i am trying to run this script  object is not identifying. when i am trying to record then it is running fine.
Anyone could you please help me on this. 
 systemutil.Run "C:\Program Files (x86)\Mozilla Firefox\firefox.exe", "http:// "

Browser("micclass:=Browser,name:=Login").page("micclass:=page,title:=Login").webEdit("name:=USER").Set "abc"