How To Choose Option Using Javascript (or via other means)?

[100million 1]

I was at http://www.yello.com.sg, trying to automate posting of an advert.

 

I can make UBot choose the category, but no matter what I try the next set of options just wouldn't appear.

 

(have tried things like Click Chosen & Send Keys... to no avail)

 

The portion of the source code is below. Anyone knows how to do it?

 

Any help is really appreciated. (No idea why I keep having problems with dropdown boxes)

 

_____________________________________________

<td valign="top"> <strong>Category step : 1 </strong>

<select name="maincat" size="10" id="catlevel1" style="height:150;width:230px" onChange="keepid(this.options[this.selectedIndex].value,'id'); showsubmenu(this,'brand',1);">

<option value="9" selected > • Automobile & Motorcycle Parts/ Accessories/ Services</optin>

 

<option value="6" > • Automobiles</optin>

 

<option value="8" > • Insurance & Financing</optin>

 

<option value="7" > • Motorcycles</optin>

[Guerrilla 19]

Have you tried: change chosen attribute --> selected