Here is a small part of the code where I think I should be getting what I need, but you probably are all familiar with this type of code (while I am not)...
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<form name="PageBaseForm" method="post" action="/ha/default.aspx" id="PageBaseForm" onsubmit="return validateSb()">
<td class="sbFld" valign="bottom" colspan="2"><textarea name="ftx" id="ftx" rows="2" cols="50" onkeypress="return freeTxt_keypress(event)"></textarea><input type="submit" value="Run Search" class="majorBtn" onclick="if ( validateSb() ) doLinkSubmit('../ha/default.aspx');return false;"/></td></tr><tr class="sbMid">
				<td class="sbLbl" valign="middle"><label for="dr"><b>Date</b></label></td>
				<td class="sbFld" colspan="2"><select name="dr" id="dr" onchange="tglDtRng(this)">
	<option value="LastDay">In the last day</option>
	<option value="LastWeek">In the last week</option>
	<option value="LastMonth">In the last month</option>
	<option selected="selected" value="Last3Months">In the last 3 months</option>
	<option value="Last6Months">In the last 6 months</option>
	<option value="LastYear">In the last year</option>
	<option value="Last2Years">In the last 2 years</option>
	<option value="_Unspecified">All Dates</option>
	<option value="Custom">Enter date range...</option>