I wrote this, but you're free to use it.<br />
-www.wanderingaramean.com<br />
<br />
&lt;script&gt;<br />
function coSearch () {<br />
&nbsp;&nbsp;&nbsp;&nbsp;var org = document.getElementById ("origin").value;<br />
&nbsp;&nbsp;&nbsp;&nbsp;if (org.length != 3) {<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;alert('Please enter a valid ORIGIN code!');<br />
	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;	return;<br />
	&nbsp;&nbsp;&nbsp;&nbsp;}<br />
	&nbsp;&nbsp;&nbsp;&nbsp;var dest = document.getElementById ("destination").value;<br />
	&nbsp;&nbsp;&nbsp;&nbsp;if (dest.length != 3) {<br />
	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;	alert('Please enter a valid DESTINATION code!');<br />
	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;	return;<br />
	&nbsp;&nbsp;&nbsp;&nbsp;}<br />
var txtURL = 'http://www.continental.com/web/en-US/apps/vendors/emailForm.aspx?txtOrigin1=' + org + '&txtDestination1=' + dest + '&TY=F&rdocabin1='+ document.getElementById ('cabin')[document.getElementById ('cabin').selectedIndex].text + '&chkFltOptaltdate=1&CAL=T&AP=' + document.getElementById ('AP')[document.getElementById ('AP').selectedIndex].text + '&LOS=' + document.getElementById ('LOS')[document.getElementById ('LOS').selectedIndex].text ;<br />
day = new Date();<br />
id = day.getTime();<br />
window.open(txtURL, id, 'toolbar=1,scrollbars=1,location=1,statusbar=1,menubar=1,resizable=1,width=800,height=600');<br />

}<br />
&lt;/script&gt;<br />
&lt;form name="COSearch" action="#" method="post"&gt;
&lt;br /&gt;Origin:&lt;input type="text" name="Origin" size="3" maxlength="3" id="origin"&gt;<br />
&lt;br /&gt;Destination:&lt;input type="text" name="Destination" size="3" maxlength="3" id="destination"&gt;<br />
&lt;br /&gt;Cabin:&lt;select name="cabin" id="cabin"&gt;&lt;Option value="Coach"&gt;Coach&lt;/option&gt;<br />
&lt;option value="First"&gt;First&lt;/option&gt;&lt;/select&gt;<br />
&lt;br /&gt;Length of Stay: &lt;select name="LOS" id="LOS"&gt;&lt;option value="1"&gt;1&lt;/option&gt;<br />
&lt;option value="2"&gt;2&gt;&lt;/option&gt;<br />
&lt;option value="3"&gt;3&lt;/option&gt;<br />
&lt;option value="4"&gt;4&lt;/option&gt;<br />
&lt;option value="5"&gt;5&lt;/option&gt;<br />
&lt;option value="6"&gt;6&lt;/option&gt;<br />
&lt;/select&gt;<br />
&lt;br /&gt;Adv. Purchase:&lt;select name="AP"&gt;&lt;option value="1"&gt;1&lt;/option&gt;<br />
&lt;option value="7" selected&gt;7&lt;/option&gt;<br />
&lt;option value="14"&gt;14&lt;/option&gt;<br />
&lt;option value="21"&gt;21&lt;/option&gt;<br />
&lt;/select&gt;<br />
&lt;br /&gt;&lt;input type="submit" value="Go!" onclick="coSearch();return false"&gt;<br />
&lt;/form&gt;<br />