function newDoPostBack(eventTarget, eventArgument) 
{
    var theForm = document.forms[0];
    if (!theForm) 
    {
        theForm = document.aspnetForm;
    }
    if (!theForm.onsubmit || (theForm.onsubmit() != false))
    {
        document.getElementById("__EVENTTARGET").value = eventTarget;
        document.getElementById("__EVENTARGUMENT").value = eventArgument;
        theForm.submit();
    }
}
__doPostBack = newDoPostBack;