how to validate date in the combo box ??? jan = 31 , feb = 29 , march = 31....

[alvinchua]

<form action="">

<SELECT name='month' id='selectMonth'>

<OPTION VALUE="0" SELECTED >January</OPTION>

<OPTION VALUE="1">February</OPTION>

<OPTION VALUE="2">March</OPTION>

<OPTION VALUE="3">April</OPTION>

<OPTION VALUE="4">May</OPTION>

<OPTION VALUE="5">June</OPTION>

<OPTION VALUE="6">July</OPTION>

<OPTION VALUE="7">August</OPTION>

<OPTION VALUE="8">September</OPTION>

<OPTION VALUE="9">October</OPTION>

<OPTION VALUE="10">November</OPTION>

<OPTION VALUE="11">December</OPTION>

</SELECT>

 

<SELECT name='day' id='selectDay'>

<OPTION VALUE="1" SELECTED >1</OPTION>

<OPTION VALUE="2">2</OPTION>

<OPTION VALUE="3">3</OPTION>

<OPTION VALUE="4">4</OPTION>

<OPTION VALUE="5">5</OPTION>

<OPTION VALUE="6">6</OPTION>

<OPTION VALUE="7">7</OPTION>

<OPTION VALUE="8">8</OPTION>

<OPTION VALUE="9">9</OPTION>

<OPTION VALUE="10">10</OPTION>

<OPTION VALUE="11" >11</OPTION>

<OPTION VALUE="12">12</OPTION>

<OPTION VALUE="13">13</OPTION>

<OPTION VALUE="14">14</OPTION>

<OPTION VALUE="15">15</OPTION>

<OPTION VALUE="16">16</OPTION>

<OPTION VALUE="17">17</OPTION>

<OPTION VALUE="18">18</OPTION>

<OPTION VALUE="19">19</OPTION>

<OPTION VALUE="20">20</OPTION>

<OPTION VALUE="21">21</OPTION>

<OPTION VALUE="22">22</OPTION>

<OPTION VALUE="23">23</OPTION>

<OPTION VALUE="24">24</OPTION>

<OPTION VALUE="25">25</OPTION>

<OPTION VALUE="26">26</OPTION>

<OPTION VALUE="27">27</OPTION>

<OPTION VALUE="28">28</OPTION>

<OPTION VALUE="29">29</OPTION>

<OPTION VALUE="30">30</OPTION>

<OPTION VALUE="31">31</OPTION>

</SELECT>

 

if the user selected april the combo box for days will automatically refresh it to only 30 days available ... if the user select January it will refresh back to 31 days...

 

pls advice.. thanks

[haku]

This is a javascript issue, its not something you can do with php without reloading the whole page after the person chooses the month.

[Barand]

or use AJAX