I tried as u mentioned before. But it is not working.
Now I am providing sample scipt. If u r interested pls solve my problem...
SystemUtil.Run "IExplore.exe"
Browser("title:=about:blank").page("
url:=about:blank").SyncBrowser("title:=about:blank").navigate "
www.yahoomail.com"
Browser("title:=Yahoo! Mail: The best web-based email!").page("title:=Yahoo! Mail: The best web-based email!").webedit("name:=login").Set "username"
Browser("title:=Yahoo! Mail: The best web-based email!").page("title:=Yahoo! Mail: The best web-based email!").webedit("name:=passwd").SetSecure "password"
Browser("title:=Yahoo! Mail: The best web-based email!").page("title:=Yahoo! Mail: The best web-based email!").webbutton("name:=Sign In").Click
Browser("title:=.*").page("title:=.*").Sync
Thanks in advance..