How to open a url on the same tab using Personas Scripting

Hi All,

Can someone please help me on scripting to call a URl on the same tab in Browsers(IE, Chrome,Mozilla).

For your reference i have created one script button and added below code to the script. it is working in Internet explorer but the same is not working in Chrome.

Script Code:

window.open('http://www.google.com','_self');

Thanks

Ramesh