Prevent double click on ASP.Net Button using JavaScript

Hi. my code

btBatal.Attributes.Add("onclick", "window.parent.frames['rightframe'].location ='Modules/LoanInquiry/Inquiry.aspx?Id?Id=" & Session("SalaryNo") & "&SubId=15&FID=4';")

but i have to double click.

i try a few solution but doesn't work such as code below, i put in page load event.

1.btBatal.Attributes.Add("onclick", " this.disabled = true; " + ClientScript.GetPostBackEventReference(btBatal, Nothing) + ";")

i also try using javascript. but still not working.

Pls advice