//Manual inclusion of .NET postback function; I use a custom rendering function for all my pages.
function __doPostBack(eventTarget, eventArgument)
{
     document.getElementById( 'Form1' ).__EVENTTARGET.value = eventTarget;
     document.getElementById( 'Form1' ).__EVENTARGUMENT.value = eventArgument;
     document.getElementById( 'Form1' ).submit();
}

function postback(action,args)
{
    document.getElementById( 'jsevent' ).value = action;
    document.getElementById( 'jseventargs' ).value = args;
    document.getElementById( 'form1' ).submit();
}