help me plz

hello i want a function
i have check box in php while loop and size fied
if i click one check box then call function and check size (have in size text box) and when i click another checkbox then he checked if size same then (return true)ok else alert error(return false)

 

You mean check the characters count of text boxes?

 

no,
i mean when checked then he check size and then only checked how have same size

$res=mysql_query("select * from photos")
while($row=mysql_fetch_array($res)){
$size=$row['size'];
//LOOP START

PHP:

<input type="checkbox" /><<input type="text" value="<?php echo $size;">
<br>

} // LOOR END

PHP:

user checked a check box and when checed another then function check both checkbox size same or not if yes return true elae return false alert error