A Way of Adding Several Tasks with Properties on RTM

I’m using Remember The Milk as To Do List. RTM provides a bookmarklet to quickly add a new task. A time when a new task is added one by one is very useful. But this tool is not available to add several tasks one time. So I prepared an AppleScript for updating a lot of tasks from Excel. That script sends data to RTM via Mail.app.

After inputing information of task into each cell, I select any cell and then make this script runs. Whole a table includes the cell is selected. These data are sent and added to RTM one line by one line.

If I add plural tasks with properties, I have to do that. Perhaps, no one except but that way could add the number of tasks. There is a mail address of RTM that is possible to add tasks as lists but in this way I can’t add some properties.