Postgres question

<div class="Section1"><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">    When we run PgAdmin III, the “connect to server” box pops up with the username already
prefilled.This is disabled so we </span></font><p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:10.0pt;
font-family:Arial">Can not change it, we can only enter our id. How can we change userids? Any help on this would be
appreciated,thanks.</span></font></div><p> Statement of confidentiality: The information contained in this electronic
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