การส่งค่าของ Check Box ในรูปแบบของ Array เพื่อรวมค่า

<script language="javascript">
	function clickcheckall(vol)
	{
		var i=1;
		for(i=1;i<=5;i++)
		{
			if(vol.checked == true)
			{
				eval("document.formproduct.check"+i+".checked=true");
			}
			else
			{
				eval("document.formproduct.check"+i+".checked=false");
			}
		}
	}
</script>
include('config.php');
$seno=$_GET['setNo'];

echo"<form id='formproduct' method='POST' action='addcart.php' class='grid_15' name='formproduct' onSubmit=\"JavaScript:return fncSubmit();\" >";
echo"<table id='tablesize'>";
echo"<tr><th width='50px' style='border-top-left-radius:10px;'>".$Lchoose."</th><th width='330px' colspan='2'>".$Lproduct."</th><th width='150px'>".$Lproid."</th><th width='80px' style='border-top-right-radius:10px;'>".$Lpricepiece."</th></tr>";

$sql="SELECT * FROM `set` WHERE setNo='$seno' AND setStatus!=3 ORDER BY  setunit ";  
$numrow=mysql_db_query($dbname,$sql);
	$i=1;	
	while($num=mysql_fetch_array($numrow))
	{
		$setID=$num["setID"];

		echo"<tr>";
		echo"<td id='rdo1'><input type='checkbox' name='check$i'  value='$i' id='check$i'/></td> 
			<label id='product'> ";
														
		$sql4= "SELECT * FROM `product` WHERE proID = '$setID' ";
			$numrow4= mysql_query($sql4);
			while ($num4 = mysql_fetch_array($numrow4))
			{
				$proName = $num4["proName"];		
				$proPrice = $num4["proPrice"];	
														
					echo"<td colspan='2'>".$proName ."</td>
						<td>".$setID ."</td>
						<td><font color='#64400E'>". $proPrice ."<font color='#64400E'>&nbsp;฿</font> </font></td>";
															
			}
	$i++;
															
		echo"</label></tr>";
	}
		echo"<tr><td id='rdo1' ><input type='checkbox' name='checkall'  value='Y' id='checkall' onClick='clickcheckall(this);'/></td><td width='90px' style='border-right:none;'>&nbsp;<b>".$Lselectall."</b></td><td colspan='2' id='all' style='border-left:none;'><b>".$Lpriceall."</b></td><td><font color='#64400E'>".$totalprice."&nbsp;฿</font></td></tr>";
		echo"</table>";