MODX Parse error. Please help

<?php
/*******************
parameters
$details==0 if the person wants just the summary
$details==1 if the person wants to see the course names and all other details for the particular person
$year=year u want for the Fall semester so that it will calculate accordingly
$sem=Fall|Spring|Summer
********************/

$sem = $_POST['selsemester'];
$year = $_POST['selyear'];
$faculty = $_POST['faculty'];
$details = $_POST['detail'];

$dberrors = array();

$dbdebug = true; //set to false to not display database errors

//print_r($_POST);

if($sem=='Fall')
{
	$year1=$year;
	$year2=$year+1;
}
if(($sem=='Spring')||($sem=='Summer'))
{
	$year1=$year-1;
	$year2=$year;
}


echo "<br><strong>".$sem." ".$year1." - ".$year2."</strong><br><br>";
if($details==0)
{
	$modx->runSnippet('DBConnect');
	mysql_query("begin");
	if($faculty=='adjunct')
	{
		$querypeople="select id,concat(people.lname,', ',people.fname) fullname ,people.g,people.designation from people where people.designation IN ('Adjunct Faculty') ORDER BY people.lname";
	}
	else
	{
		$querypeople="select id,concat(people.lname,', ',people.fname) fullname ,people.g,people.designation from people where people.designation IN ('Instructional Faculty','Administrative Faculty','Professional Faculty','Research Faculty','Faculty') ORDER BY people.lname";
	}

	if(!$resultpeople=mysql_query($querypeople))
	{
		$dberrors[] = "query failed: " . $querypeople . " - " . mysql_error();
	}
	$numpeople=mysql_num_rows($resultpeople);
	echo "<table border=1>";
	echo "<tr><td><b>Faculty Lastname, firstname</b></td><td><b>G#</b></td><td><b>Fall FTE</b></td><td><b>Spring FTE</b></td><td><b>Total AY</b></td><td><b>Summer FTE</b></td><td><b>Total Full AY</b></td></tr>";
	if($numpeople==0)
	{
	}
	else
	{
		while($rowpeople=mysql_fetch_array($resultpeople))
		{
			echo "<tr><td>".$rowpeople['fullname']."</td><td>".$rowpeople['g']."</td>";
			$querycredits="select sum(credit_hrs) as fallfte from courses_instances where year=".$year1." and semester='Fall' and person_id=".$rowpeople['id']."";
			$total1=0;
			$total2=0;
			if(!$resultcredits=mysql_query($querycredits))
			{
				$dberrors[] = "query failed: " . $querypeople . " - " . mysql_error();
			}
			$numcredits=mysql_num_rows($resultcredits);
			if($numcredits==0)
			{
				echo "<td>0</td>";
				$total1=$total1+0;
			}
			else
			{
				while($rowcredits=mysql_fetch_array($resultcredits))
				{
					echo "<td>".$rowcredits['fallfte']."</td>";				
					$cre=$rowcredits['fallfte'];
					$total1=$total1+$cre;
				}
			}
			$querycreditsspring="select sum(credit_hrs) as springfte from courses_instances where year=".$year2." and semester='Spring' and person_id=".$rowpeople['id']."";
			if(!$resultcreditsspring=mysql_query($querycreditsspring))
			{
				$dberrors[] = "query failed: " . $querypeople . " - " . mysql_error();
			}
			$numcreditsspring=mysql_num_rows($resultcreditsspring);
			if($numcreditsspring==0)
			{
				echo "<td>0</td>";
				$total1=$total1+0;
			}
			else
			{
				while($rowcreditsspring=mysql_fetch_array($resultcreditsspring))
				{
					echo "<td>".$rowcreditsspring['springfte']."</td>";				
					$cre1=$rowcredits['springfte'];
					$total1=$total1+$cre1;
				}
			}
			echo "<td>".$total1."</td>";
			$querycreditssummer="select sum(credit_hrs) as summerfte from courses_instances where year=".$year2." and semester Like 'Summer%' and person_id=".$rowpeople['id']."";
			if(!$resultcreditssummer=mysql_query($querycreditssummer))
			{
				$dberrors[] = "query failed: " . $querypeople . " - " . mysql_error();
			}
			$numcreditssummer=mysql_num_rows($resultcreditssummer);
			if($numcreditssummer==0)
			{
				echo "<td>0</td>";
				$total2=$total2+0;			
			}
			else
			{
				while($rowcreditssummer=mysql_fetch_array($resultcreditssummer))
				{
					echo "<td>".$rowcreditssummer['summerfte']."</td>";				
					$cre2=$rowcredits['summerfte'];
					$total2=$total2+$cre2;			
				}
			}
			$ftotal=$total1+$total2;
			echo "<td>".$ftotal."</td></tr>";
		}
	}
	echo "</table>";
	
	if(count($dberrors) > 0)
	{
		echo "there were " . count($dberrors) . " database errors:transaction rolled back<br />";
		mysql_query("rollback");
		echo $dbdebug?implode("<br />", $dberrors):"";
	}
	else
	{
		mysql_query("commit");
	}
	$modx->runSnippet('DBdisconnect');
}
else if($details==1)
{
	$modx->runSnippet('DBConnect');
	mysql_query("begin");
	if($faculty=='adjunct')
	{
		$querypeople="select id,concat(people.lname,', ',people.fname) fullname ,people.g,people.designation from people where people.designation IN ('Adjunct Faculty') ORDER BY people.lname";
	}
	else
	{
		$querypeople="select id,concat(people.lname,', ',people.fname) fullname ,people.g,people.designation from people where people.designation IN ('Instructional Faculty','Administrative Faculty','Professional Faculty','Research Faculty','Faculty') ORDER BY people.lname";
	}

	if(!$resultpeople=mysql_query($querypeople))
	{
		$dberrors[] = "query failed: " . $querypeople . " - " . mysql_error();
	}

	$numpeople=mysql_num_rows($resultpeople);
	if($numpeople==0)
	{
	}
	else
	{
		while($rowpeople=mysql_fetch_array($resultpeople))
		{
			echo "<p><b>".$rowpeople['fullname'].",   ".$rowpeople['g']."</b></p>";
			echo "<table border=1>";
			echo "<tr><td>Semester</td><td>Course</td><td>Title</td><td>Credits</td><td>Enrollment</td><td>Course Release</td><td>Notes</td></tr>";
			$querycredits="select courses_instances.semester as Semester,courses_instances.year as Year,concat(courses_dept_codes.dept_code,courses.number,'-',courses_instances.section) as Course,courses.title as Title,courses_instances.credit_hrs as Credits,courses_instances.projected_enrollment as Enrollment,courses_instances.days,courses_instances.start_time,courses_instances.end_time from courses_instances,courses,courses_dept_codes where person_id=".$rowpeople['id']." and courses.id=courses_instances.course_id and courses.dept_code_id=courses_dept_codes.id and courses_instances.semester='Fall' and courses_instances.year=".$year1."";
			$total1=0;
			if(!$resultcredits=mysql_query($querycredits))
			{
				$dberrors[] = "query failed: " . $querypeople . " - " . mysql_error();
			}
			$numcredits=mysql_num_rows($resultcredits);
			if($numcredits==0)
			{
				$total1=$total1+0;
			}
			else
			{
				while($rowcredits=mysql_fetch_array($resultcredits))
				{
					echo "<tr><td>".$rowcredits['Semester']."</td><td>".$rowcredits['Course']."</td><td>".$rowcredits['Title']."</td><td>".$rowcredits['Credits']."</td><td>".$rowcredits['Enrollment']."</td><td></td><td></td></tr>";				
					$cre=$rowcredits['Credits'];
					$total1=$total1+$cre;
				}
			}
			$querycreditsspring="select courses_instances.semester as Semester,courses_instances.year as Year,concat(courses_dept_codes.dept_code,courses.number,'-',courses_instances.section) as Course,courses.title as Title,courses_instances.credit_hrs as Credits,courses_instances.projected_enrollment as Enrollment,courses_instances.days,courses_instances.start_time,courses_instances.end_time from courses_instances,courses,courses_dept_codes where person_id=".$rowpeople['id']." and courses.id=courses_instances.course_id and courses.dept_code_id=courses_dept_codes.id and courses_instances.semester='Spring' and courses_instances.year=".$year2."";
			if(!$resultcreditsspring=mysql_query($querycreditsspring))
			{
				$dberrors[] = "query failed: " . $querypeople . " - " . mysql_error();
			}
			$numcreditsspring=mysql_num_rows($resultcreditsspring);
			if($numcreditsspring==0)
			{
				$total1=$total1+0;
			}
			else
			{
				while($rowcreditsspring=mysql_fetch_array($resultcreditsspring))
				{
					echo "<tr><td>".$rowcreditsspring['Semester']."</td><td>".$rowcreditsspring['Course']."</td><td>".$rowcreditsspring['Title']."</td><td>".$rowcreditsspring['Credits']."</td><td>".$rowcreditsspring['Enrollment']."</td><td></td><td></td></tr>";				
					$cre=$rowcreditsspring['Credits'];
					$total1=$total1+$cre;
				}
			}
			$querycreditssummer="select courses_instances.semester as Semester,courses_instances.year as Year,concat(courses_dept_codes.dept_code,courses.number,'-',courses_instances.section) as Course,courses.title as Title,courses_instances.credit_hrs as Credits,courses_instances.projected_enrollment as Enrollment,courses_instances.days,courses_instances.start_time,courses_instances.end_time from courses_instances,courses,courses_dept_codes where person_id=".$rowpeople['id']." and courses.id=courses_instances.course_id and courses.dept_code_id=courses_dept_codes.id and courses_instances.semester Like 'Summer%' and courses_instances.year=".$year2."";
			if(!$resultcreditssummer=mysql_query($querycreditssummer))
			{
				$dberrors[] = "query failed: " . $querypeople . " - " . mysql_error();
			}
			$numcreditssummer=mysql_num_rows($resultcreditssummer);
			if($numcreditssummer==0)
			{
				$total1=$total1+0;
			}
			else
			{
				while($rowcreditssummer=mysql_fetch_array($resultcreditssummer))
				{
					echo "<tr><td>".$rowcreditssummer['Semester']."</td><td>".$rowcreditssummer['Course']."</td><td>".$rowcreditssummer['Title']."</td><td>".$rowcreditssummer['Credits']."</td><td>".$rowcreditssummer['Enrollment']."</td><td></td><td></td></tr>";				
					$cre=$rowcreditssummer['Credits'];
					$total1=$total1+$cre;
				}
			}
			$ftotal=$total1+$total2;
			echo "<tr><td>Total</td><td></td><td></td><td>".$total1."</td><td></td><td></td><td></td></tr>";
			echo "</table>";
		}
	}
	
	if(count($dberrors) > 0)
	{
		echo "there were " . count($dberrors) . " database errors:transaction rolled back<br />";
		mysql_query("rollback");
		echo $dbdebug?implode("<br />", $dberrors):"";
	}
	else
	{
		mysql_query("commit");
	}
	$modx->runSnippet('DBdisconnect');
}
?>

  if(!$resultpeople=mysql_query($querypeople)) .........

  $resultpeople = mysql_query($querypeople);
  if(!$resultpeople) ........

  if(!($resultpeople=mysql_query($querypeople))) .........

if(!$resultcredits=mysql_query($querycredits))

$querycredits="select sum(credit_hrs) as fallfte from courses_instances where year=".$year1." and semester='Fall' and person_id=".$rowpeople['id']."";