Is there a maximum number of parameters allowed in a form?
===

I want to send a number of parameters by the form to a php file to insert to the database,

    <html>
	<head>
		<title>Self</title>
	</head>
	<body>
	<?php

		function selfcheck($DB, $TechID, $ClientID, $SiteID, $Type, $LogTime){
			$dbConnection = mysql_connect($DB['server'], $DB['loginName'], $DB['password']);
			if(!$dbConnection){
				die('Error! ' . mysql_error());
				}
			mysql_select_db($DB['database'], $dbConnection);
			$result = mysql_query("SELECT COUNT(*) FROM Log") or die('Error! ' . mysql_error());
			while($row = mysql_fetch_array($result)){
				$count = $row['COUNT(*)'];
				$count = $count+1;
				print $count.", ".$TechID.", ".$ClientID.", ".$SiteID.", ".$LogTime.", ".$Type."<br>";
				$query = "INSERT INTO Log (LogID, TechID, ClientID, SiteID, LogTime, Type)
							VALUES (".$count.", ".$TechID.", ".$ClientID.", ".$SiteID.", ".$LogTime.", ".$Type.")";
				mysql_query($query);
			}
		}
		
		$LogTime = date('Y/m/d H:i', mktime($_GET['Hour'], $_GET['Minute'], 0, $_GET['Month'], $_GET['Day'], $_GET['Year']));
		selfcheck($DB, $_GET['TechID'], $_GET['ClientID'], $_GET['SiteID'], $_GET['Type'], $LogTime);
	?>
	</body>
</html>

As you can see, there are nine Get values, however, when I try to execute the codes, the server replys
 
    "Undefined index: Minute in C:\wamp\www\NFC\self.php on line 29", and show in the URL, minute parameter has not been sent. Why does this happen? And how can I solve this problem?

Here is the code to send the request.
  
    print "<form method='get' name='check' action='self.php'>";
		$result = mysql_query("SELECT * FROM Tech") or die('Error! '.mysql_error());
		print "Name<select id='tech' name='TechID'>";
		while($row = mysql_fetch_array($result)){
			print "<option value=".$row['TechID'].">".$row['TechName']."</option>";
		}
		print "</select>";
		$result = mysql_query("SELECT * FROM Client") or die('Error! '.mysql_error());
		print "Name<select id='client' name='ClientID'>";
		while($row = mysql_fetch_array($result)){
			print "<option value=".$row['ClientID'].">".$row['ClientName']."</option>";
		}
		print "</select>";
		$result = mysql_query("SELECT * FROM Site") or die('Error! '.mysql_error());
		print "Name<select id='site'name='SiteID'>";
		while($row = mysql_fetch_array($result)){
			print "<option value=".$row['SiteID'].">".$row['SiteName']."</option>";
		}
		print "</select>";
		print "Type<select id='type' name='Type'>";
		print "<option value='Checkin'>Check In</option>";
		print "<option value='Checkout'>Check Out</option>";
		print "</select><br>";
		print "Year<input type='text' id='year' size='4' name='Year'/>";
		print "Month<input type='text' id='month' size='2' name='Month'/>";
		print "Day<input type='text' id='day' size'2' name='Day'/>";
		print "Hour in 24<input type='text' id='hour' size='2' name='Hour'/>";
		print "Minute<input type='text' id='minute' size'2'name='Minute'/>";
		print "<input type='submit' value='Manual check' onclick='self.php'/>";
		print "</form>";

it is in a PHP file as for some choices, I want to get the options from the database instead of hard code them. I have tried to send the parameters through a javascript file, but the situation cannot be solved.