function doRPC(iframe_control_id, rpc_id, callback_func, args)
{
	var myiframe = document.getElementById(iframe_control_id);
	
	if(myiframe != null)
	{
		myiframe.src = "rpc_callaway.php5";
		myiframe.src = "rpc.php5?rpcid="+rpc_id+"&cbf="+callback_func+"&"+args;
	}
}