Web Development

<script language=javascript><br />
<br />
function OnSelectChange() {<br />
var oElem = window.event.srcElement;<br />
var cOrigValue = oElem.LastValue;<br />
var cCurrValue = oElem.value;<br />
<br />
.. do whatever here...<br />
<br />
// and update the last value<br />
oElem.LastValue = cCurrValue;<br />
}<br />
<br />
</script><br />
<br />
<select name="MyDropdown" LastValue="" onchange="OnSelectChange()"><br />
  <option value="red">Red</option><br />
  <option value="white">White</option><br />
  <option value="blue">Blue</option><br />
</select>