Configure GmailThis! bookmarklet to send to a Gmail alias??

[m021478]

I don't suppose someone could help me tweak my GmailThis! Bookmarklet
to send to a Gmail alias instead of my regular email, could you? I am
having problems getting it to work with the addition of the plus
symbol. Here is the bookmarklet I am using:

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javascript:popw='';Q='';x=document;y=window;if(x.selection)%20%20
{Q=x.selection.createRange().text;}%20else%20if%20(y.getSelection)
%20%20{Q=y.getSelection();}%20else%20if%20(x.getSelection)%20%20
{Q=x.getSelection();}popw%20=%20y.open('http://mail.google.com/a/
mydomain.com/?view=cm&fs=1&tf=1&su='%20+%20escape(document.title)%20+
%20%20'&body='%20+%20escape(Q)%20+%20escape('\n')%20+%20%20escape
(location.href)%20+%20'&to='%20+%20%20escape('mye...@mydomain.com')
%20+
%20%20'&zx=RANDOMCRAP&shva=1&disablechatbrowsercheck=1&ui=1','gmailForm','scrollbars=yes,width=680,height=510,top=175,left=75,status=no,resizable=yes');if
%20(!document.all)%20T%20=%20setTimeout('popw.focus()',50);void(0);

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This bookmarklet is configured to send a link of the current page I am
viewing to my email address ('mye...@mydomain.com') in the body of
the email, with the subject of the email containing the title of the
web page.

When I try to change the bookmarklet to send to a Gmail alias, such as
'myemai...@mydomain.com', it creates an outgoing email addressed to
'myemail no...@mydomain.com' (with a space appearing between 'myemail'
and 'note', not a plus symbol as I would like it to display...

Any ideas on how to reconfigure this bookmarklet so that it displays
the plus symbol instead of a space?

Thanks!