<h3>Group Payables</h3>
<center>

<?php
$tbl = "el_billing";

$ext = $_REQUEST["ext"];
$cats = $_REQUEST["cat"];
$month = $_REQUEST["month"];

if (!$month) $month = previous_month();//date("M-Y");

echo "<font size='+1'>[ </font>";
if ($ext == 1) {
        echo "<a href='?pg=$pg&month=$month&ext=0'>Internal</a> | <font color='red' size='+1'>External</font>";
} else {
        echo "<font color='red' size='+1'>Internal</font> | <a href='?pg=$pg&month=$month&ext=1'>External</a>";
}
echo "<font size='+1'> ]</font>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Month <select name='month' onchange=\"javascript: document.location.href='?pg=$pg&month='+this.value\">";
$rs = mysql_query("select distinct month from el_reading order by id desc");
while ($o = mysql_fetch_object($rs)) {
        echo "<option value='$o->month'";
        if ($o->month == $month) echo " selected";
        echo ">$o->month</option>";
}
echo "</select>
<input type='hidden' name='ext' value='$ext'>
<table width='90%'><tr><th>Select Licensee Group ";

//get categories for report
$rs = mysql_query("select distinct category from el_licensee where external='".($ext == 1 ? 'Yes' : 'No')."'");
while ($o = mysql_fetch_object($rs)) {
       	$i = 0;
	echo "<input type='checkbox' name='cat[]' value='$o->category'";
       	foreach ($cats as $cat) {
		if ($cat == $o->category) {
			echo " checked";
       			$i = 1;
			$catlist .= ($catlist ? ',' : '')."'$cat'";
		}
	}
	if ($i) echo "><font size='+1'>$o->category</font>";
	else echo ">$o->category";
}
echo " <input type='submit' name='submit' value='FILTER'></th></tr></table>";
	
$i = 0;
if ($ext == 1) {
	include "elexternalgroups.inc";
} else {
	include "elinternalgroups.inc";
}

?>
</center>