I need some js/ajax/jquery script saving data to database dynamically when I check the check-box.
the checkboxes at the moment or loaded in next to records and change the variable in the database depending if its checked or not.but i have to reload the page after i select one to save it to the database. i can do everything else but understand how to implement the ajax to this so i don't have to submit the query and refresh the page every time. any help is greatly appreciated.

    <form name=form1aa method=post action=process.php?fn=<? echo $rows['first']; ?>&class=<?php echo $rows['class']; ?>&last=<?php echo $rows['last']; ?>

&model=<?php echo $rows['model']; ?>&cas=<?php echo $rows['cases']; ?>&upid=<?php echo $id; ?>&group=1 id=form1a >



    <select name=type onchange= fill_damage (document.form1aa.type.selectedIndex); >

    <option value=Hardware>Hardware</option>

    <option value=Software>Software</option>

    </select>

    <select name=damage>

    </select>

    <input type=text name=comment  placeholder=Comments Box>

    <input type=text name=cost  placeholder=Cost>

    <input type=submit value=Save name=Save>

    </form>



<?php



//Job Status

if(isset($_POST['checkbox'])){$checkbox = $_POST['checkbox'];

if(isset($_POST['activate'])?$activate = $_POST[activate]:$deactivate = $_POST[deactivate])

$id = (' . implode( ',', $checkbox ) . '); ;

$sql=UPDATE repairs SET status = '.(isset($activate)?'Completed':'In Progress').' WHERE id=$id ;

$result = mysql_query($sql) or die(mysql_error());

}

//End Job Status



//Payment Status

if(isset($_POST['paycheck'])){$paycheck = $_POST['paycheck'];

if(isset($_POST['paid'])?$paid = $_POST[paid]:$unpaid = $_POST[unpaid])

$id = (' . implode( ',', $paycheck ) . '); ;

$sql=UPDATE repairs SET paid = '.(isset($paid)?'Paid':'Unpaid').' WHERE id=$id ;

$result = mysql_query($sql) or die(mysql_error());

}

//End Payment Status



//Return Status

if(isset($_POST['retcheck'])){$retcheck = $_POST['retcheck'];

if(isset($_POST['ret'])?$ret = $_POST[ret]:$unret = $_POST[unret])

$id = (' . implode( ',', $retcheck ) . '); ;

$sql=UPDATE repairs SET ret = '.(isset($ret)?'Retuned':'In Office').' WHERE id=$id ;

$result = mysql_query($sql) or die(mysql_error());

}

//End Return Status

$sql=SELECT * FROM $tbl_name;

if(isset($_POST['all'])){

    $sql=SELECT * FROM $tbl_name;

}

if(isset($_POST['tpc'])){

    $sql=select * from $tbl_name WHERE class LIKE '1%';

}

if(isset($_POST['drc'])){

    $sql=select * from $tbl_name WHERE class LIKE 'D%';

}

if(isset($_POST['bsc'])){

    $sql=select * from $tbl_name WHERE class LIKE 'B%';

}



$result=mysql_query($sql);



?>

<form  name=frmactive method=post action=>

                <input name=activate type=submit id=activate value=Complete Job />

                <input name=paid type=submit id=Payment value=Payment Status />

                <input name=ret type=submit id=ret value=Returned 2 Student />

                <br />



<a id=displayText href=javascript:toggle();>Show Extra</a>

<div id=toggleText style=display: none>

<br />

                <input name=unret type=submit id=unret value=In Office />

                <input name=unpaid type=submit id=unpaid value=Not Paid />

                <input name=deactivate type=submit id=deactivate value=In Progress /></div>



<table width=1000 border=0 cellpadding=3 cellspacing=1>

<thead>

<th width=67 align=center><strong>Start Date</strong></th>

<th width=50 align=center><strong>Cases</strong></th>

<th width=34 align=center><strong>Type</strong></th>

<th width=120 align=center><strong>Damage</strong></th>

<th width=31 align=center><strong>Comment</strong></th>

<th width=31 align=center><strong>Cost</strong></th>

<th width=90 align=center><strong>Payment Status</strong></th>

<th width=100 align=center><strong>Returned 2 Student</strong></th>

<th width=100 align=center><strong>Job Status</strong></th>

</thead>



<?php

while($rows=mysql_fetch_array($result)){

?>

<tr>



<td><? echo $rows['start']; ?></td>

<td><? echo $rows['cases']; ?></td>

<td><? echo $rows['type']; ?></td>

<td width=70><? echo $rows['damage']; ?></td>

<td width=70><? echo $rows['comment']; ?></td>

<td><? echo $; echo $rows['cost']; ?></td>



<!--Payment Display(Start)-->

<?php 

        if($rows['paid']==Paid)

        {

                ?>

                    <td><input name=paycheck[] type=checkbox id=paycheck[] value=<? echo $rows['id']; ?>>

                <? echo $rows['paid'];?>

                    </td>

                    <?

}



        if($rows['paid']==Unpaid)

        {

              ?>

                    <td width=21><input name=paycheck[] type=checkbox id=paycheck[] value=<? echo $rows['id']; ?>>

                <? echo $rows['paid']; ?>

                    </td>

                    <?

}

if($rows['ret']==){

    ?>

    <td width=50>No Data</td>

    <?

}

?>