<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>I would do it like this:</div><div><br class="webkit-block-placeholder"></div><div>&lt;dataset name="ds" request="false"&nbsp;&nbsp;src="<a class="moz-txt-link-freetext" href="http://www.../sr.php">http://www.../sr.php</a>" /&gt;</div><div><br class="webkit-block-placeholder"></div><div>and then your button code would be:</div><div><br class="webkit-block-placeholder"></div><div>&lt;button text="Submit" onclick="sendit()"&gt;</div><div>&nbsp;&nbsp;&lt;method name="sendit"&gt;</div><div>&nbsp;&nbsp; &nbsp; &nbsp;var d = canvas.datasets.ds;</div><div>&nbsp;&nbsp; &nbsp; &nbsp;var p = new LzParam();</div><div>&nbsp;&nbsp; &nbsp; &nbsp;p.addValue('qs', 'stuff' ,true);</div><div>&nbsp;&nbsp; &nbsp; &nbsp;d.setQueryString(p);</div><div>&nbsp;&nbsp; &nbsp; &nbsp;d.doRequest();</div><div>&nbsp;&nbsp;&lt;/method&gt;</div><div>&lt;/button&gt;</div><div><br class="webkit-block-placeholder"></div><div>(Warning: this is untested email code.)</div><div><br class="webkit-block-placeholder"></div><div>HTH,</div><div><br class="webkit-block-placeholder"></div><div>Dave</div></body></html>